The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

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

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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.

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.

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.