How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this project children practice the scientific method while playing with puffy paint.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Learn with makes water molecules work with this fun and easy science activity!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.