Animals life science

Alamosaurus was named after Ojo Alamo (Cottonwood Spring) in New Mexico, where the first specimens were found early in 1922. Other Alamosaurus fossils have been found in Utah, Wyoming, and the Big Bend region of Texas. Adults were probably about 70 feet long.
Alamosaurus is the only known sauropod in North America from this time period (Upper Cretaceous). All North American sauropods died out about 105 million years ago. Then, after a 35-40 million year gap, Alamosaurus appeared in North America about 70 million years ago. (All dinosaurs became extinct about 65 million years ago.) Some scientists believe that Alamosaurus migrated into North America from South America after the two continents were joined together by the Isthmus of Panama. This view is supported by the fact that Alamosaurus belongs to the titanosaurid family of sauropods, and titanosaurids were common in South America during the Cretaceous time period.
The Big Bend specimen was found in the Javelina formation, which was deposited about 74-66 million years ago. Ms. Dana Biasatti, who is now a graduate student at SMU, discovered this specimen. The fossilized bones are being collected under a Scientific Research and Collecting Permit issued by Big Bend National Park to Dr. Anthony Fiorillo of the Dallas Museum of Natural History. The specimen will remain the property of the National Park Service, but it is loaned to the Dallas Museum of Natural History for cleaning, preparation, study, curation, and possible display.
The discovery consists of 10 fossilized neck bones (cervical vertebrae). Three of the smaller vertebrae were carried out of the park's wilderness area by hand, and the seven larger vertebrae will be transported by helicopter. The larger fossilized bones are estimated to weigh over 1000 pounds apiece. The fossils have been covered with plaster casts to protect them during transportation to the paleontology laboratory at the Dallas Museum of Natural History.
The fossil was probably deposited in an ancient river floodplain about 100-200 miles west of the ancient coastline. Fossilized wood suggests that trees at least 90 feet tall grew on the ancient landscape. The climate was probably warm and probably did not have strong seasonal variations.

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zero gravity

What can Heat do ?

Light is a form of energy.  Energy can change things. Energy from the Sun can change the temperature. It is a sunny day. Things with light colors feel cool. Things with dark colors feel warm In summer, many people  like to wear clothes with  lighter colors. Lighter colors take in less energy from the Sun.I

Heat

Look at the picture. Heat comes from the fire. The heat warms the food. The heat warms the air. The girl is drinking hot cocoa to warm up. Heat comes from the hot cocoa. Rub your hands together. Rubbing things together makes heat. The heat from rubbing your hands together makes them warm. Heat comes from other things too. Heat comes from lamps, stoves, and toasters. What else can give off heat?

?What gives off heat 

	Heat moves from warmer places to cooler places.
	Heat moves from warmer objects to cooler objects.
	Light from the Sun warms the land.
	Light from the Sun warms the water.
	Light from the Sun warms the air.