This science fair project idea provides evidence that air is everywhere and takes up space.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This science experiment tests if dog saliva can really help heal wounds.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

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

This science fair project idea explores whether talking to a plant will help it grow.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea examines whether boys and girls differ in reflexes.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Test whether plants can grow without sunlight and water.

This science fair project idea examines which type of insulation holds in the most heat.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

The objective of this science project is to determine the length of time for different seeds to germinate.