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

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

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.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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.

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

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

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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.

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

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 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.

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.

Determine whether butterflies like to drink sugar water, salt water, or plain water.