This science fair project idea demonstrates how our fingers prune when in water.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Plant a mini herb garden and teach your child about science and nature.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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

This science fair project idea explores whether dogs do look like their owners.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project idea teaches kids the different functions of a leaf.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.