Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea determines what household items are good conductors of electricity.

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

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project teaches students about wilting and browning of salad greens.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.