This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Learn how different types of soil affect how animal tracks form in this experiment!

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this experiment you will replicate the mummification process by making a hot dog mummy.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.