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.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea determines if the color of light affects the growth of plants.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.