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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Check out this cool science fair project on identifying rocks and minerals for kids.

Will the shape of an ice cube impact how fast the ice melts?

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

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

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.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea explores the egg's thin membrane.

Examine the effect of pressure on carbonation in soda.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This basketball project explores the best way to make the perfect shot every time.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.