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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Teach your child Morse code, and a little bit of history that she'll pick up in a flash!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project teaches students about wilting and browning of salad greens.

Spider cupcakes are creepy-crawly treats that are perfect for Halloween. These spider cupcakes make for a great Halloween party treat.

What better way to raise awareness about the environment than with an eco-friendly Earth-themed party? Get your party started with this step-by-step guide.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.