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This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Do you think heat can affect a plant's growth rate?

Cleaning can be a chore, but not with this sudsy experiment!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Make sourdough bread...and learn some colonial history and modern science in the process!

To practice place value, here's a fun hands-on activity to get your child flipping through place value with ease!

In this activity, your child will learn how to make a drop spindle with a handy vegetable.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea determines if the color of light affects the growth of plants.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Help your fifth grader create an art card that celebrates the enduring values of Passover.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

Introduce your child to the concept of the melting pot by decorating a patriotic 4th of July planter.

A twist on the gingerbread house, this train is made with graham crackers, icing, and candy decorations. A great 2nd-3rd grade holiday arts and crafts activity.

Here are some kindergarten readiness activities that you can do with reused plastic bottle caps.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

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

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here's an activity that uses second-semester high school algebra to determine which pizza gives you the most bang for your appetite. Here's how to get started:

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.