Describes how the Velociraptor was discovered, how paleontologists study its bones, and what the fossil evidence tells us about the behavior of this small, speedy meat-eating dinosaur.
Describes how the Tyrannosaurus Rex was discovered, how paleontologists study its bones, and what the fossil evidence tells us about the behavior of the largest meat-eating dinosaur.
Describes how the Triceratops was discovered, how paleontologists study its bones, and what the fossil evidence tells us about the behavior of this three-horned plant-eating dinosaur.
Describes how the Stegosaurus was discovered, how paleontologists study its bones, and what the fossil evidence tells us about this plant-eating dinosaur with plates.
Describes how the Pterodactyl and other pterosaurs were discovered, how paleontologists study their bones, and what the fossil evidence tells us about these ancient flying lizards.
Describes how the Apatosaurus was discovered, how paleontologists study its bones, and what the fossil evidence tells us about dinosaur behavior.
A child astronaut takes an imaginary trip to the Moon, visits the sites from the Apollo missions, and decides that Earth is a good home after all. Includes solar system diagram, Moon vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Mars, learns about the harsh conditions on the rocky red planet, and decides that Earth is a good home after all. Includes solar system diagram, Mars vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Jupiter, learns about the harsh conditions on the biggest planet, and decides that Earth is a good home after all. Includes solar system diagram, Jupiter vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Saturn, learns about the harsh conditions on the gas planet, and decides that Earth is a good home after all. Includes solar system diagram, Saturn vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Neptune and the outer reaches of the solar system, learns about the harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Neptune vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Uranus, learns about the harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Uranus vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Mercury, learns about the harsh conditions on the rocky planet, and decides that Earth is a good home after all. Includes solar system diagram, Mercury vs. Earth fact chart, and glossary.
A child astronaut takes an imaginary trip to Venus, learns about the extremely hot and harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Venus vs. Earth fact chart, and glossary.
Ava teaches her younger brother Noah that the brain is like a computer, controlling the body through the spinal cord and the nerves.
