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

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

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

In this project children practice the scientific method while playing with puffy paint.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

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

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