Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

Find out which kind of bubble wrap fares best when put in impact.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores how length affects the weight a bridge can hold.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.