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This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

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

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

This science fair project idea measures physical dexterity as a function of temperature.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

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.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

Teach your young academic about counting and clocks with a tasty treat!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

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

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.