Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Create a self-portrait from natural materials in this collage craft activity!

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This project examines which style of central-air system filter traps the most particles from the air.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

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.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

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.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.