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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Science fair project that examines condensation and the conditions needed in order for dew to form.