Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea identifies trees using a dichotomous key.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea produces sounds by creating vibrations using different objects.

In this project, waves of vibrations are experimented with using water in glasses.

The project investigates how friction affects motion by using different surface textures.

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

In this science fair project you will make a model of a cell membrane using very simple material.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.