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

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?

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!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Word color association is just a fancy way to talk about the way we connect colors with words.

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This project examines whether people's taste perception is influenced by what they see.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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.