Grades 3-5

Planet Disaster? (SuperScience)

Article

Planet Disaster? (SuperScience)

The world's climate is changing. Scientists say the effects of these changes could be devastating to living things on Earth—including humans. See what scientists are doing now, and learn ways to help.

Climate Change Circle of Consequences

Activity

Climate Change Circle of Consequences

"Greenhouse effect" and "global warming" are becoming household phrases but how, exactly, are they linked? Explore the interconnections and consequences of climate change.

Be a Trackway Detective

Classroom Activity

Be a Trackway Detective

What can you tell from looking at a fossil record of dinosaur footprints? Everything from which dinosaur was there first to what they might have feasted on.

Horse Power (SuperScience)

Article

Horse Power (SuperScience)

Try to imagine a world without horses. For starters, what would Paul Revere have used to make his midnight ride on, a cow?

Bigger Than You Think

Curriculum Materials

Bigger Than You Think

Not all dinosaurs were enormous like the 84-foot-long, 30-ton Apatosaurus. TheCompsognathus, for example, approximated an eight-pound chicken. Size up two others.

What is a Fossil?

Curriculum Materials

What is a Fossil?

The most common fossils are bones and teeth, but not all fossils are body parts. Explore the wide-ranging evidence of ancient life that scientists use to understand Earth's prehistoric past.

How Big Were Dinosaurs?

Curriculum Materials

How Big Were Dinosaurs?

How many times would your footprint fit into that of a large dinosaur? Could all of your classmate's feet fill up the small crater? Find out with this personalized look at the 35-ton Apatosaur.

Grouping Dinosaurs

Curriculum Materials

Grouping Dinosaurs

Dinosaurs all belong to the same group, but within that group there are many subsets—meat-eating dinosaurs, four-legged dinosaurs, and so on. Try your hand at classification with these eight dinosaur illustrations.

Squamate Fun Facts

Article

Squamate Fun Facts

Did you know that squamates have a third eye? Or that the Gila Monster and the Bearded Lizard are the only two known venomous lizards? Discover more interesting facts about squamates.

Lizards & Snakes: Alive! Coloring Book

Hands-on Activity

Lizards & Snakes: Alive! Coloring Book

How does a Veiled Chameleon's body resemble its environment? What colors are a Burmese Python's spots? Use what you know about squamates to bring these drawings to life.

Science Explorations: Investigate the Giant Squid

Activity

Science Explorations: Investigate the Giant Squid

With unblinking eyes the size of soccer balls and a body that can stretch the length of a bowling alley, the giant squid has long fascinated humans. Investigate the largest invertebrate on Earth.

Spectrum of Habitats

Curriculum Materials

Spectrum of Habitats

Did you know that the world's deserts keep expanding each year? Or that islands have the highest animal extinction rate—75 percent? Take a closer look at the major habitats found on Earth.

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