This science project allows students to study the psychology of happiness.

This science fair project teaches students the differences between fruits and vegetables.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover whether cold or hot water from the faucet will boil faster on the stove.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this activity, your child will be challenged to make a tower using paper cups.

This surprisingly good glue recipe comes from common kitchen items.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Discover which fabrics shrink the most in the wash and why.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.