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This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

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

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Make this easy composting dessert and then enjoy the yummy results!

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project investigates how temperature of a room affects the burn rate of a candle.