This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

This science fair project idea examines whether boys and girls differ in reflexes.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines which method of hand cleansing is the most effective.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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