Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

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

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?

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.