This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores the egg's thin membrane.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this experiment we will be determining whether birds prefer certain colors of seed.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Making your own glass cleaner is easy, effective and inexpensive!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Do you think heat can affect a plant's growth rate?

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.

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

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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.

Is your child a young ornithologist in the making?