This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Demonstrate how to tell the age of an egg without having to crack it open.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea determines if the color of light affects the growth of plants.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores which fruit molds the fastest.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.