This project examines how temperature affects the volume of gas in balloons.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science project teaches students to classify different shapes of leaves.

This project will examine the relationship between materials and air resistance.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Test the placebo effect in different groups of people.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

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 goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This project concerns activity happening millions of miles away, on the sun.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

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

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Discover whether the color of text correlates with ease and speed of reading.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.