In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Give your budding young observers a chance to discover simple machines at use in their own home.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This project examines whether and what associations exist between numbers and letters and colors.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Test the idea that people who wear glasses tend to be more educated. True or false?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.