Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

In this science fair project, students use the streak test to tell minerals apart from each other.

The purpose of this science fair project is to build a basic radio.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Find out whether matte or shiny nail polish lasts longer.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Discover whether a metal will expand under hot water.