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

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

This project explores what happens to a rubber band when it is heated and cooled.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

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

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Use this great no-bake recipe to save energy and keep cool.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Science fair project that uses distillation to convert salt water into fresh water.

This project examines how temperature affects the volume of gas in balloons.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.