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.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!