In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Plants and light seem to be good buddies, but how far does the friendship really go?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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?

In this activity, your child will be challenged to make a tower using paper cups.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Start your toy engines -- this is going to be a fast and friction-filled race!

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea investigates if fats add to the flavor of food.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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