If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

Play a fun game that combines the periodic table with a classic concentration game.

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Explore how waves interact with materials in this engaging physical science worksheet for middle grades!

In this engaging chemistry worksheet for middle grades, students learn about how concrete is made and how it is used in our society.