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

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

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Make a backbone model to explore human anatomy and life science.

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?

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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 study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This project investigates the affect of storage temperature on microwave popcorn.

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.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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?

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.