This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Introduce your child to science with something they see everyday--their shadow!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This science fair project idea studies how talking on a cell phone affect driving?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Give your budding young observers a chance to discover simple machines at use in their own home.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.