With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea investigates the difference in reaction times between boys and girls.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.