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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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.

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!