Our veterans work hard in war, and we shoud be thankful. many of us have family members and friends in war, you know ho it feels to loose some one. Monday, june 7, 2010, we aqre honering our veterans, be apart of the celebration. thank the soldiers at war, and soldiers who have died.
Saturday, June 5, 2010
Tuesday, June 1, 2010
Whats Happening in Science
Session one in science all we mainly did was finish our Energy Expo posters and talk about how if we didn't finish the posters then someone would have to take it home and finish it. I thought is was fun until Blake said that I had the questions and started getting mad till i told him he had them and I couldn't recover them. I had no clue where they were. I checked everywhere.
Ours is Trash Disposal in the US, which seems easy but it took a long time to finish gathering info for which question we chose.
To the left is a picture of one of the landfills in the United States. I would hate to have that job.
-Tyler
-Tyler
Wednesday, May 26, 2010
Earthquakes
I have felt a lot of the most recent earthquakes and the aftershocks. The one on Easter was like a 7.2 or something high like that. Then multiple aftershocks one after another, after another and I was somewhat scared. There was a 4.6 off the coast of Baja, CA but I don't think it did much damage. The people there were probably a little freaked out. I have only been in a few earthquakes but I wish is felt the one on Easter. There was a 6.4 with a depth of 4.2km Southeast of Ryukyu Islands. That probably collapsed a building or two.
-Tyler
Tuesday, May 18, 2010
This week in science
Today we worked on a sheet that was wanting us to name the power plant and the renewable and non-renewable power. To get the information we had to go on Google Earth and open the kmz file under the Baumgardener folded in student files. I thought it was fun but it was more of a challenge for me because some people didn't know where to open the file. Even after Griffin read it out loud to the class. It was somewhat easy. I didn't get to finish the most of it because I had to help others with computer difficulties. I saw quite a few messing around and not doing their work. For the rest of the week I think is easy.
Monday, May 10, 2010
This week in science
Session 1 in science we made a clay structure with our organism of the island our team chose. We found Tobago island which is north of Trinidad island. Ours didn't turn out that good but it will probably get a good grade. There isn't much on the island but there are a few mountain ranges and a lot of plant life. I chose a cactus, Blake chose a Manta Ray, Savanna chose a humming bird, and Matthew chose a shark. Blake helped with making my cactus because it didn't stay together.
The clay made of recycled paper and water drys really quick to skin. I was impressed with the other team islands. I noticed some people didn't cooperate. I enjoy these kinds of projects.
trinidad-tobago.jpg
The bigger island is Trinidad and the one above is Tobago. The islands are the tan color ones.
-Tyler
The clay made of recycled paper and water drys really quick to skin. I was impressed with the other team islands. I noticed some people didn't cooperate. I enjoy these kinds of projects.
trinidad-tobago.jpg
The bigger island is Trinidad and the one above is Tobago. The islands are the tan color ones.
-Tyler
Thursday, May 6, 2010
Sea Turtles
You've probably recently heard that our grade is going on a field trip to Chula Vista to see sea turtles, and many other sea animals. Because of that, I'm going to be talking about sea turtles! First of all, sea turtles can be found everywhere in the world except for the polar regions. Some different species of turtles travel between different oceans for many different reasons. Sea turtles are almost always underwater, and have developed an anaerobic system of respiration. This means they take very long breaths underwater. They can refill their lungs very quickly and have adapted to this unique system. The sad thing about sea turtles is that every species is threatened or endangered, and this is because of us people. Just like most animals, we like to use sea turtles for fine dining, mostly for napkin rings and things like that. In Mexico, Japan, and China, sea turtle shells and flesh are very popular, and are used to make Tortoiseshell. Sea turtles are unique animals, and have very long lives. We sure don't want that to be ruined.
Pictures of the Week
You all know we're doing a project on islands and the animals that live there, and we picked Tobago. We have to research a lot of different facts and create a template to record the information. This is just a heads up! I picked the shortfin mako shark, and Blake picked a manta ray. Here they are!
The shortfin mako shark lives in many places worldwide that are close to the shore. They are often found near islands or inlets. They eat a lot of different sea animals, and are normally at the top of the food chain. But, some big sharks, such as Great Whites, eat them. They are great hunters, which is a great reason why they're normally at the top of the food chain. They go above or below their prey, and lunge forward while tearing up all the meat. They're very interesting sharks!
Manta rays can be found throughout tropical waters of the world, mostly around coral reefs. They are filter feeders in the ocean, which means they grow larger than other ray species. They have vestigial teeth on the lower jaw, the number of dermal denticles are different from normal rays, and they have a much thicker mucus body coating than other rays. They feed on plankton, fish larvae, and small prey organisms. That's all I have to say for today! Thank you for reading!!!
The shortfin mako shark lives in many places worldwide that are close to the shore. They are often found near islands or inlets. They eat a lot of different sea animals, and are normally at the top of the food chain. But, some big sharks, such as Great Whites, eat them. They are great hunters, which is a great reason why they're normally at the top of the food chain. They go above or below their prey, and lunge forward while tearing up all the meat. They're very interesting sharks!
Manta rays can be found throughout tropical waters of the world, mostly around coral reefs. They are filter feeders in the ocean, which means they grow larger than other ray species. They have vestigial teeth on the lower jaw, the number of dermal denticles are different from normal rays, and they have a much thicker mucus body coating than other rays. They feed on plankton, fish larvae, and small prey organisms. That's all I have to say for today! Thank you for reading!!!
Friday, April 30, 2010
Otters
Otters are semi-aquatic fish eating animals. They eat fish, shellfish, and other small animals. They have slim bodies with webbed paws and short limbs. They have sharp claws on their feet too. They have soft and smooth fur that is special, it keeps them warm and dry when they go into water. They usually swim in freezing cold water. Otters are also playful animals who love to swim fast and play with others.
Gemstone of the Week
Hey this is Matthew with gemstone of the week! Previously, the gemstone of the week was watermelon tourmaline. Now, the gemstone of the week is...... garnet! Garnet is the birthstone of January. To start it off, garnet is the name of a family of different types of minerals, and got its name from the pomegranate fruit. The minerals that make up garnet are almandine, pyrope, spessartine, grossular, and andradite. Because of their chemical difference, garnets can be made in most different colors other than blue, but they're mostly found shades of red. They are mostly found in Czechoslovakia, South Africa, USA, Australia, Brazil, and Sri Lanka. First, pyrope garnet was most popular in the 19th century, with a deep-red garnet. Spessartine garnet contains marvelous orange colors, and is often in jewelry. Different stones contain different shapes, and they have names for them. Almandine garnet crystallizes as icositetrahedrons. But the unique thing about these garnets is that they have a really deep color, but are transparent! Geology can be very different, especially with garnets! Andradite garnet can never be crystallized as gem-quality, or in jewelry. And finally, there is grossular garnets. It is said to look like gooseberries, and its name, grossular, came from the Latin word for gooseberry- grossularia. This is the wonderful world of garnets! Thank you for reading! Here's a picture of a garnet.
CD Making
In science, we all made either CD covers and backs, or we created songs for a CD. Every person in every team had to pitch in to finish the assignment on time. And to up the challenge, we were assigned a bird to make the theme of the cases with. My team was assigned the pigeon guillemot, a graceful and beautiful bird. After our finished project, I'm happy to say that I am pleased with my teams work.
-Blake
-Blake
Tuesday, April 27, 2010
This week in science
Today we were assigned certain birds. We got the Pigeon Guillemot and it look like a duck not a pigeon.
This one is running on water. Its kind of like a stone skipping across a flat lake. They are beautiful birds. We all did work and Blake came in after we decided who was doing what. He demanded to do the front cover of our CD for teaching the other teams. So Savannah and him are creating it. So far Savannah's is the better one because Blake isn't cooperating and making his look like a real CD cover so Savannah wins. Hers is the whole page but she is going to make it look like a normal CD cover. I'm doing the back with the song list. I'm also doing the songs. I am doing more than everyone else but thats because I am a computer geek.
This one is running on water. Its kind of like a stone skipping across a flat lake. They are beautiful birds. We all did work and Blake came in after we decided who was doing what. He demanded to do the front cover of our CD for teaching the other teams. So Savannah and him are creating it. So far Savannah's is the better one because Blake isn't cooperating and making his look like a real CD cover so Savannah wins. Hers is the whole page but she is going to make it look like a normal CD cover. I'm doing the back with the song list. I'm also doing the songs. I am doing more than everyone else but thats because I am a computer geek.
-Tyler
Saturday, April 24, 2010
Yosemite National Park
Yosemite National Park is in california and gets many vistitors. Beautiful water fall, and home to many plants and animals like bobcats and wolves.
As you can see,on the map above, yosemite has water falls, rivers, trails, and is a blast of fun. I have been to Yosemite, the weather is nice, the air is fresh, and every where you look, you see beauty. Yosemtite has a neat museum, pioner history center, i could explode giving all the things to do.
Friday, April 23, 2010
Gemstone of the Week
Hey it's Matthew again with gemstone of the week! Previously, I was talking about diamonds. But now, the gemstone of the week is... watermelon tourmaline! You might think this is a weird name for a gemstone, but it is actually a specific form of tourmaline. Tourmaline is a mineral with a complex chemistry. It has unusual shapes most often, and it crystallizes as prisms with flat or wedge-shaped bases. It usually looks like an odd cylinder, but rarely it can be different. The unique thing about tourmaline is that it has the greatest color range of any gemstone, and some crystals are more than one color. This is when we get into watermelon tourmaline. Watermelon tourmaline has pink cores and green outer zones. If you've ever seen a cut gemstone with two different colors, imagine that with pink and green. Surprisingly, I don't have watermelon tourmaline yet, but that is because it is a bit expensive for it to be a fascinating exception. Thank you so much for reading!
The Test
In session 3, the earth science classes had to take an eleven question, mostly essay test that we had the whole class time to take. Most of the students finished their test way before the deadline.
I asked what Tyler Moroney thought of the test. He replied, "The test was somewhat hard, but I made it through okay. I'd be fine taking it again, as it had only eleven questions. If only they weren't essay questions!"
I believe that the test was one that you don't fret about once you are told that there are only eleven questions. I breezed by it, waiting for lunch. And, that was the last earth science test of the year! So rejoice, sixth graders, and be patient, the end of the year is almost here.
-Blake
I asked what Tyler Moroney thought of the test. He replied, "The test was somewhat hard, but I made it through okay. I'd be fine taking it again, as it had only eleven questions. If only they weren't essay questions!"
I believe that the test was one that you don't fret about once you are told that there are only eleven questions. I breezed by it, waiting for lunch. And, that was the last earth science test of the year! So rejoice, sixth graders, and be patient, the end of the year is almost here.
-Blake
Tuesday, April 20, 2010
Invasive Species Argentinian Ants
The Argentinian Ants are the most invasive insects in California right now. They take the native ants territory, eat the old ants food, and continue on.
This ant is what looks like a sponge getting the water.
They seem common but they were transferred from someone with soil or plants which had the ant eggs in them as they came back from Argentina. Over time the ants have genetically evolved into "super" colonies that have really impacted the native ants. Native Species like the horned lizard that eat Harvester ants are having a hard time because the Argentinian ants have taken over the Harvester ant colonies and the horned lizard has to adapt to a different food.
-Tyler
Friday, April 16, 2010
San Francisco Bay invaders
In session two, we learned about how invasive species are taking over the San Francisco Bay area. The San Francisco Bay has many ships siphoning through it daily, an estimated 30,000 a year. With all of those ships came tons and tons of ballast water, which was dumped into the bay, bringing in all sorts of possibly damaging creatures. We watched a video on this, and it was very interesting.
-Blake
-Blake
Thursday, April 15, 2010
Gemstone of the Week
Hey, it's Matthew with gemstone of the week! Previously, the gemstone of the week was sapphire, and I was also talking about the history of birthstones. So now, the gemstone of the week is......diamond! Anyone who's birthday is in April, your birthstone is diamond. Diamond is one of the best known gemstones, and actually from the ancient Greek word adamas, meaning unbreakable. Diamond is actually the hardest stone known. Because of its hardness and dispersion of light, it's useful for industrial applications and for jewelry. Diamonds have been used for many purposes since ancient times because of its uniqueness. They used to be very scarce, and only found in India, but it spread throughout the world. The price and use of diamonds are depended on the four Cs, carat, cut, color, and clarity. That's all I have to say today, but I couldn't have explained everything, because diamonds have too big of a history! If you're interested and want to learn more, go to the link at the bottom.
http://en.wikipedia.org/wiki/Diamond_%28gemstone%29
Thank you so much for reading!!!
http://en.wikipedia.org/wiki/Diamond_%28gemstone%29
Thank you so much for reading!!!
Tuesday, April 13, 2010
This week in science
This week we used the Jenga blocks and some had green representing dead plants, red representing air pollution, yellow representing toxic waste, and blue representing dead animals. It was fun but it was mostly about the damage to our ecosystem and how much of it is caused by use humans.This is what we cause, is a poor bear our on its own and has to swim as soon as that ice berg melts and will freeze. This is all from driving cars to much and burning oil which eventually creates the image above. Now they are highly endangered. They are the top of the food chain in the Arctic and if they aren't there then a whole bunch of things will be laying on the ground dead.
Saturday, April 3, 2010
Mud skippers
Mud skippers are amphibious fish that can use their fins to walk on land. Mud skippers are very active out of water, feeding and interacting with each other. they are found in tropical, subtropical, and temberate places. they have many amphibian traits, like: the ability to breathe through their skin, and being able to live on land and in water. These are strange but ver cool fish!!!
-savanah
Thursday, April 1, 2010
This week in science
In Session 1 we had a great presentation on the food web then a test on what we learn from a Bill Nye video. This is a food web that is really explained to who eats who. We stay alive from looking at the food pyramid. This is how other smaller thing stay alive. Its really amazing.
Tuesday, March 30, 2010
Birthstones
In gemstone of the week for sapphires, I mentioned sapphire was my birthstone. Well, just to tell you, we all have birthstones. A birthstone is a gift of a precious material, mainly a gemstone, that symbolizes the month of birth. There are different types of birthstones: traditional birthstones, modern birthstones, mystical birthstones, and ayurvedic birthstones. Traditional birthstones are older society-based birthstones. Back then, many different cultures had their own lists for birthstones. Mystical birthstones are of Tibetan origin and date back over a thousand years. Just to let you know, Tibet is from China. Ayurvedic birthstones are from the ancient Indian medicine and philosophy. Modern birthstones only contains one list, because Jewelers of America officially made a list. It is the most used list in the world. India and Babylon's early civilizations considered gemstones magical, and assigned gems of certain colors to the twelve signs of zodiac to help influence the planets in their favor.
Here is a list of the month, birthstone, and the picture! Thank you!
January: Garnet
February: Amethyst
March: Aquamarine
April: Diamond
May: Emerald
June: Pearl
July: Ruby
August: Peridot
September: Sapphire
October: Opal
November: Topaz
December: Turquoise
Here is a list of the month, birthstone, and the picture! Thank you!
January: Garnet
February: Amethyst
March: Aquamarine
April: Diamond
May: Emerald
June: Pearl
July: Ruby
August: Peridot
September: Sapphire
October: Opal
November: Topaz
December: Turquoise
Gemstone of the Week
The gemstone of the week is...... sapphire! Previously, the gemstone of the week was opal, and now we are going to be talking about sapphire. Sapphire is a gemstone containing mineral corundum, an aluminium oxide, when it is a color other than red. The most common types of sapphire are blue and yellow. Any other color like red would be a ruby, or a different gemstone. What makes this gemstone a different color is the mixture of different types of elements and minerals. Iron, titanium, or chromium can make it pink, purple, orange, or other colors. The rare variety of sapphire is a pink-orange sapphire called padparadscha. Sapphire can be found in large crystal boules. It is rare and expensive, which is perfect for jewelry. It is mined in many places in the world, such as Sri Lanka and Madagascar. The amazing scientific thing about sapphire is that since it is so hard, it is used in many applications. It is used in infrared optical components, watch crystals, high-durability window, and wafers for the deposition of thin films of semiconductors. Who knew a gemstone can be so convenient and useful! The cost of many gemstones is depending on how big they are, but sapphires are different. The cost for sapphires depends on the color, clarity, size, cut, and geographic origin. By geographic origin I mean where it was mined or found. Here is a list of where important sapphire deposits are found: Eastern Australia, Thailand, Sri Lanka, Madagascar, and in the Missouri River near Helena, Montana. Sapphire can be any color but red, the color of a ruby, but they are both found in the same areas most often. I collect gemstones, and have a rare type. I have a mixture of sapphire and ruby, but in the same stone! It is from Madagascar. Sapphire is a great stone for me because it is my birthstone. I hope I can learn more about it, and I hope you enjoyed reading! Thank you!
-Matthew
-Matthew
Ancient Parrot Fossils Found in Scandanavia
Palaeontologists have discovered fossil remains in Scandinavia of parrots dating back 55 million years. Reported May 14 in the journal Palaeontology, the fossils indicate that parrots once flew wild over what is now Norway and Denmark.
Parrots today live only in the tropics and southern hemisphere, but this new research suggests that they first evolved in the North, much earlier than had been thought.
The fossil parrot was discovered on the Isle of Mors in the northwest of Denmark – far from where you’d normally expect to find a parrot. It’s a new species, officially named 'Mopsitta tanta'. However, already its nick-name is the ‘Danish Blue Parrot’, a term derived from a famous comedy sketch about a 'Norwegian Blue Parrot' in the 1970s BBC television programme ‘Monty Python’.
The Scandinavian connection makes links to Monty Python’s notoriously demised bird irresistible, but the parallels go further. The famous sketch revolves around establishing that a bird purchased by John Cleese is a dead parrot, and in dealing with these fossils, palaeontologists were faced with the same problem.
As Dr David Waterhouse, lead author of the paper, explains: “Obviously, we are dealing with a bird that is bereft of life, but the tricky bit is establishing that it was a parrot. As with many fragile bird fossils, it is a wonder that anything remains at all, and all that remains of this early Danish parrot is a single upper wing bone (humerus). But, this small bone contains characteristic features that show that it is clearly from a member of the parrot family, about the size of a Yellow-crested Cockatoo.”
Dr David Waterhouse was funded by a UCD postgraduate scholarship from 2002 to 2006. He is currently Assistant Curator of Natural History at Norfolk Museums Service. Dr Bent Lindow was an IRCSET ‘Basic Research Grant’ scholar at UCD and the University of Copenhagen from 2004 to 2007. He is currently postdoctoral researcher in palaeontology at the Natural History Museum of Denmark in Copenhagen.
At around 55 million years old, this is very much an ex-parrot. Indeed, Mopsitta represents the oldest and most northerly convincing remains of a parrot ever to have been discovered.
Waterhouse continues: “It isn’t as unbelievable as you might at first think that a parrot was found so far north. When Mopsitta was alive, most of Northern Europe was experiencing a warm period, with a large shallow tropical lagoon covering much of Germany, South East England and Denmark. We have to remember that this was only 10 million years after the dinosaurs were wiped out, and some strange things were happening with animal life all over the planet.”
“No Southern Hemisphere fossil parrot has been found older than about 15 million years old, so this new evidence suggests that parrots evolved right here in the Northern Hemisphere before diversifying further South in the tropics later on.”
So was Danish Mopsitta “pinin’ for the fjords”? “It’s a lovely image,” says Waterhouse, “but we can say with certainty that it was not. This parrot shuffled off its mortal coil around 55 million years ago, but the fjords of Norway were formed during the last ice age and are less than a million years old.”
This research was supported by the Irish Research Council for Science, Engineering and Technology (IRCSET) and University College Dublin (UCD).
-Blake
Parrots today live only in the tropics and southern hemisphere, but this new research suggests that they first evolved in the North, much earlier than had been thought.
The fossil parrot was discovered on the Isle of Mors in the northwest of Denmark – far from where you’d normally expect to find a parrot. It’s a new species, officially named 'Mopsitta tanta'. However, already its nick-name is the ‘Danish Blue Parrot’, a term derived from a famous comedy sketch about a 'Norwegian Blue Parrot' in the 1970s BBC television programme ‘Monty Python’.
The Scandinavian connection makes links to Monty Python’s notoriously demised bird irresistible, but the parallels go further. The famous sketch revolves around establishing that a bird purchased by John Cleese is a dead parrot, and in dealing with these fossils, palaeontologists were faced with the same problem.
As Dr David Waterhouse, lead author of the paper, explains: “Obviously, we are dealing with a bird that is bereft of life, but the tricky bit is establishing that it was a parrot. As with many fragile bird fossils, it is a wonder that anything remains at all, and all that remains of this early Danish parrot is a single upper wing bone (humerus). But, this small bone contains characteristic features that show that it is clearly from a member of the parrot family, about the size of a Yellow-crested Cockatoo.”
Dr David Waterhouse was funded by a UCD postgraduate scholarship from 2002 to 2006. He is currently Assistant Curator of Natural History at Norfolk Museums Service. Dr Bent Lindow was an IRCSET ‘Basic Research Grant’ scholar at UCD and the University of Copenhagen from 2004 to 2007. He is currently postdoctoral researcher in palaeontology at the Natural History Museum of Denmark in Copenhagen.
At around 55 million years old, this is very much an ex-parrot. Indeed, Mopsitta represents the oldest and most northerly convincing remains of a parrot ever to have been discovered.
Waterhouse continues: “It isn’t as unbelievable as you might at first think that a parrot was found so far north. When Mopsitta was alive, most of Northern Europe was experiencing a warm period, with a large shallow tropical lagoon covering much of Germany, South East England and Denmark. We have to remember that this was only 10 million years after the dinosaurs were wiped out, and some strange things were happening with animal life all over the planet.”
“No Southern Hemisphere fossil parrot has been found older than about 15 million years old, so this new evidence suggests that parrots evolved right here in the Northern Hemisphere before diversifying further South in the tropics later on.”
So was Danish Mopsitta “pinin’ for the fjords”? “It’s a lovely image,” says Waterhouse, “but we can say with certainty that it was not. This parrot shuffled off its mortal coil around 55 million years ago, but the fjords of Norway were formed during the last ice age and are less than a million years old.”
This research was supported by the Irish Research Council for Science, Engineering and Technology (IRCSET) and University College Dublin (UCD).
-Blake
Parrots!!!
A parrot is a bird belonging to the family Psittacidae.
Parrots have a characteristic curved beak shape with the upper mandible having slight mobility in the joint with the skull and a generally erect stance.
All parrots are zygodactyl, having the four toes on each foot placed two at the front and two back.
Cockatoos are types of parrots, as are parakeets. They are wonderful pets that come at a price: they poop a LOT.
-Blake
Cockatoos!!
A cockatoo is any of the 21 bird species belonging to the family Cacatuidae.
Along with the Psittacidae family (the true parrots), they make up the order Psittaciformes.
Cockatoos share many features with other parrots including the characteristic curved beak shape and a zygodactyl foot, with two forward toes and two backwards toes. Many people take these wonderful little birds in as pets, training them to be good house animals. Just remember: avoid the guard bird.
-Blake
Along with the Psittacidae family (the true parrots), they make up the order Psittaciformes.
Cockatoos share many features with other parrots including the characteristic curved beak shape and a zygodactyl foot, with two forward toes and two backwards toes. Many people take these wonderful little birds in as pets, training them to be good house animals. Just remember: avoid the guard bird.
-Blake
Friday, March 26, 2010
A Really Big Bird: The EMU
The Emu is the largest bird native to Australia and, after the Ostrich, the second-largest bird that survives today. Like all birds in the Ratite group, it is flightless, although unlike some it does have tiny wings hidden under the feathers. This is an extremely elite and beautiful bird that can easily captivate anyone that sees it and its beauty. I just have one question: can I ride them?
-Blake
-Blake
Quartz Crystals
Quartz is one of the most common minerals in the Earth's continental crust.
It belongs to the hexagonal crystal system, and is made up of silica (SiO2) tetrahedra.
Quartz has a hardness of 7 on the Mohs scale.
Density is 2.65 g/cm³.
The typical shape is a six-sided prism that ends in six-sided pyramids, although these are often twinned, distorted, or so massive that only part of the shape is apparent from a mined specimen.
Additionally a bed is a common form, particularly for varieties such as amethyst, where the crystals grow up from a matrix and thus only one termination pyramid is present.
A quartz geode consists of a hollow rock (usually with an approximately spherical shape) with a core lined with a bed of crystals...
-Blake
It belongs to the hexagonal crystal system, and is made up of silica (SiO2) tetrahedra.
Quartz has a hardness of 7 on the Mohs scale.
Density is 2.65 g/cm³.
The typical shape is a six-sided prism that ends in six-sided pyramids, although these are often twinned, distorted, or so massive that only part of the shape is apparent from a mined specimen.
Additionally a bed is a common form, particularly for varieties such as amethyst, where the crystals grow up from a matrix and thus only one termination pyramid is present.
A quartz geode consists of a hollow rock (usually with an approximately spherical shape) with a core lined with a bed of crystals...
-Blake
Petrified Wood
Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, such as quartz), while retaining the original structure of the wood. The petrifaction process has occurred underground, when wood became buried under sediment...
Growth Rings
Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree. Visible rings result from the change in growth speed through the seasons of the year, thus one ring usually marks the passage of one year in the life of the tree...
-Blake
-Blake
Thursday, March 25, 2010
The flying squirrels are a tribe of squirrel...
There are 43 species in this tribe, the largest of which is the woolly flying squirrel.
The term "flying" is somewhat of a misnomer, since flying squirrels are actually gliders incapable of true flight.
Gliding is achieved by this animal by launching off the tops of trees and extending flaps of skin stretched from arms to legs: once they have launched themselves into the air they are highly manuverable while in flight.
Steering is accomplished by adjusting tautness of the patagium, largely controlled by a small cartilaginous wrist bone.
The tail acts as a stabilizer in flight, much like the tail of a kite, and as an adjunct aerofoil when "braking" prior to landing on a tree trunk...
The term "flying" is somewhat of a misnomer, since flying squirrels are actually gliders incapable of true flight.
Gliding is achieved by this animal by launching off the tops of trees and extending flaps of skin stretched from arms to legs: once they have launched themselves into the air they are highly manuverable while in flight.
Steering is accomplished by adjusting tautness of the patagium, largely controlled by a small cartilaginous wrist bone.
The tail acts as a stabilizer in flight, much like the tail of a kite, and as an adjunct aerofoil when "braking" prior to landing on a tree trunk...
The study of Mesozoic birds and the dinosaur-bird transition is one of the most exciting and vigorous fields in vertebrate paleontology today. A newly described bird from the Jehol Biota of northeast China suggests that scientists have only tapped a small proportion of the birds and dinosaurs that were living at that time, and that the rocks still have many secrets to reveal.
"The study of Mesozoic birds is currently one of the most exciting fields; new discoveries continue to drastically change how we view them," said Jingmai O'Connor, lead author of the study. The article appeared in the March issue of the Journal of Vertebrate Paleontology.
The new bird, named "Longicrusavis houi," belongs to a group of birds known as ornithuromorphs (Ornithuromorpha), which are rare in rocks of this age. Ornithuromorphs are more closely related to modern birds than are most of the other birds from the Jehol Biota.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhc59NDoUzahQpX93m08VxCxiuKOmWZsMG0bhI4Z9PaM4udlQOaA8fevJ6cbsAUDhGRAdAJNBKyZMeNB1sWalmc2FTqQ7K31W1vJNvYnAp_rhZ0X3NbPqixpubnx2NLfgYNJY6QXbVmMti1/s400/Avian_Archaeopteryx_03_10.jpg
"The study of Mesozoic birds is currently one of the most exciting fields; new discoveries continue to drastically change how we view them," said Jingmai O'Connor, lead author of the study. The article appeared in the March issue of the Journal of Vertebrate Paleontology.
The new bird, named "Longicrusavis houi," belongs to a group of birds known as ornithuromorphs (Ornithuromorpha), which are rare in rocks of this age. Ornithuromorphs are more closely related to modern birds than are most of the other birds from the Jehol Biota.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhc59NDoUzahQpX93m08VxCxiuKOmWZsMG0bhI4Z9PaM4udlQOaA8fevJ6cbsAUDhGRAdAJNBKyZMeNB1sWalmc2FTqQ7K31W1vJNvYnAp_rhZ0X3NbPqixpubnx2NLfgYNJY6QXbVmMti1/s400/Avian_Archaeopteryx_03_10.jpg
Scorpions: Are their habits reversible?
Blind scorpions that live in the stygian depths of caves are throwing light on a long-held assumption that specialized adaptations are irreversible evolutionary dead-ends. According to a new phylogenetic analysis of the family Typhlochactidae, scorpions currently living closer to the surface (under stones and in leaf litter) evolved independently on more than one occasion from ancestors adapted to life further below the surface (in caves).
-Blake
http://www.flightglobal.com/blogs/flight-international/scorpion.gif
-Blake
http://www.flightglobal.com/blogs/flight-international/scorpion.gif
Wednesday, March 24, 2010
Thank You!!!
This is Matthew saying thank you to my whole team for putting effort into their work, and covering each other when they are gone! We love our new team, and I also want to thank Mrs. B for putting her effort into her work for helping us have a great time and learn in science! I lastly want to thank everyone in the grade for working their hardest, and for giving nice comments to other peoples' blogs. Good luck for everyone!!!
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