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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Do different types of oil mix or stack? Find out in this science fair project idea!

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.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This surprisingly good glue recipe comes from common kitchen items.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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