In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Construct batteries that make electricity from fruits with this fun science fair project.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This science fair project idea studies the differences in gender perception between people.

Invite your child, and any other kids attending the Seder, to help you make this "hands on" matzah cover for Passover this year.

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?

Determine whether the application of Febreeze will lower the bacterial count.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This project is about after-images and what possibly affects them.

Teach your child Morse code, and a little bit of history that she'll pick up in a flash!

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.