Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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!

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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

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

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Get your child excited about measuring with this fun and easy household measurements activity.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This simple experiment serves as an introduction to the greenhouse effect.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.