Budding inventors can get a fun review of the simple machines with this word search.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Learn about the similarities and differences between objects in this colorful science worksheet!

Describe how things feel when you touch them and push on them!

Learn about the texture and hardness of different objects in this second-grade worksheet!