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Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

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

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!