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.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Design a helmet from household objects in this engaging first- and second-grade activity!

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!