This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This project investigates the affect of storage temperature on microwave popcorn.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Explore if planting seeds in a certain direction will affect how fast it germinates.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Learn whether writing things down really makes things easier to remember.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This project explores ways to prevent static electrical shocks.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.