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This project explores what happens to a rubber band when it is heated and cooled.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

This science fair project determines the quality of a given product.

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

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

Examine whether males or females are more likely to have a higher center of gravity.

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

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Learn all about balance and motion as your child designs a corn maze!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

The project researches how lubricants affect the mechanical advantage of a pulley.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.