Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

This science fair project idea explores whether the color of surroundings affects human mood.

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

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!

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

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

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.

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.