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This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea examines whether people can decode scrambled messages.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Help your child celebrate the summer and the sun by making a sandy seascape.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

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!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.