Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, students create their own miniature salt flats at home.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this fun activity, your child will create their very own solar oven to bake s'mores!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!