Archimedes (buoyancy, levers); Galileo (law of falling bodies, telescope); Edison (light bulb, phonograph); Matthew Henson (heat loss, nutritional requirements); Rachel Carson (intertidal zone, natural insect control); and Stephen Hawking (black holes, event horizon).

Through cross-curricular activities that integrate the sciences, students learn where mariners sailed, the methods and tools they used to navigate, and common causes of shipwrecks.

Experimenting with the SkyCaps and other kit tools, students discover how Earth's motion relates to day and night, the annual seasons, and the predictably changing night sky.

Modeling activities combine with microslide images to help students decipher the codes of life.

Earth Processes begins and ends with two important, related geological theories: continental drift and plate tectonics.

This unit helps students distinguish between the apparent motions of the Sun and Moon versus the actual motion of Earth.

Students investigate key science topics with classroom-tested hands-on activities and nonfiction reading.

Students investigate key science topics with classroom-tested hands-on activities and nonfiction reading.

Students investigate key science topics with classroom-tested hands-on activities and nonfiction reading.

This unit invites students to investigate Plants in Our World from the roots up.