Pre-K to Grade 2
For 140 million years giant dinosaurs called sauropods roamed Earth. Help students investigate the success of the largest land animals ever with this practical and printable exhibition guide for educators.
In recent years, scientists from around the world have turned to Vietnam in their search for new plant and animal species. Vietnam harbors an astonishing range of habitats, from rain forests and dry forests to mangroves and coral reefs. Scientific expeditions and surveys have discovered an amazing range of biodiversity. But even as this biodiversity is being revealed, it is coming under threat from development and human activity. Scientists now are racing to accomplish their studies in an effort to keep Vietnam's biological wealth from disappearing entirely.
When does mixing every color under the rainbow create pure white rather than a murky brown or black? When light, not paint, is the medium—and you're subtracting, not adding, color.
Are those sharp, pointy dinosaur teeth all the better to eat you with? Or are they designed for tough vegetation? Examine dinosaur teeth as a paleontologist would.
Living on land as we do, it's easy to forget this is a water planet. Yet life appeared about 3.5 billion years ago in the ocean, and instead of leaving, most things stayed there.