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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.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This project compares the strength of one, two, and three-ply toilet paper.

Discover how and which salt melts ice the quickest.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Science fair project that determines how we can change potential energy into kinetic energy.

This science project allows students to study the psychology of happiness.

Explore the wattage of microwaves in relevance to cooking time.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

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

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

This project determines how much the rebound rates of tennis balls change after ten games.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

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.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Do you think heat can affect a plant's growth rate?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.