This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

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!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

In this science fair project, young children discover what happens when two fluids that have different densities get together.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

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.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.