This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project examines how seeds hitchhike on animals and clothing.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science fair project idea determines if the color of light affects the growth of plants.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Using a toy race car kids create a visual model of the Doppler Effect.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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.