In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Cleaning can be a chore, but not with this sudsy experiment!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea provides evidence that air is everywhere and takes up space.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.