You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Using a toy race car kids create a visual model of the Doppler Effect.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.