Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This science fair project idea determines what household items are good conductors of electricity.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This science fair project idea identifies trees using a dichotomous key.

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.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea demonstrates that plants give off water.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

The purpose of this science fair project is to build a basic radio.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Find out which kind of bubble wrap fares best when put in impact.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!