Children hone their powers of observation using this worksheet template.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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

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!

Teach your child how we measure temperature with these printable thermometers!

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

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

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

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!

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

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

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!