Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Can you tell the difference between a lake, an ocean, and a pond? Show your knowledge in this geography worksheet!

Children learn about the environmental activist and women's rights advocate Wangari Maathai. Students will read a biography about the first African woman to win a Nobel Peace Prize and answer nonfiction comprehension questions about the text.

When people migrate, they are influenced by push and pull: They feel pushed out of one place and pulled to another. Try a push-pull exercise in this worksheet.

For those of you studying California history, here's a great history worksheet all about the Presidio of San Francisco!

Here's a worksheet on the Wampanoag, the tribe that the Pilgrims feasted with, just in time for Thanksgiving.

Quiz your kid on different landforms in this quick match-up geography drill.

If your child thinks camping in an RV is "roughing it", just wait until he hears what Lewis and Clark went through!

Learn what different bodies of water are called in this colorful matching worksheet!

Learn about latitude and longitude in this map skills sheet!