Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

This project examines whether people's taste perception is influenced by what they see.

This project determines what category of person is most likely to be ticklish.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea determines what household items are good conductors of electricity.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

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.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!