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.

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.

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 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.

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.

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.

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

In this science fair project you will make a model of a cell membrane using very simple material.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.