In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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.

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

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

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.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

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

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

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 fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.