Use pepper and soap to discover some fun facts about the properties of water.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Make a backbone model to explore human anatomy and life science.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

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

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea investigates if fats add to the flavor of food.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.