Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

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

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

Find out whether putting something on top of a plant will inhibit its growth.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

This science project allows students to study the psychology of happiness.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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.

Do you think heat can affect a plant's growth rate?

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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.