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

This science experiment tests if dog saliva can really help heal wounds.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea examines whether boys and girls differ in reflexes.

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.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Construct and experiment with a periscope using reflected light rays to gather an image.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Take a dive into the candy jar with this yummy science experiment.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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 determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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