Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea investigates the difference in reaction times between boys and girls.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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!

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.

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.

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!

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.

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.