The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

In this project students experiment with making music using only glasses of water.

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

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

This science fair project idea experiments with spinning color wheels and optical illusions.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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.

Test whether plants can grow without sunlight and water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.