How many machines can you find around the house? You may find them where you least expect it!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Why do some objects make loud sounds when dropped, while others make quiet sounds?