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In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

Help your second grader celebrate the legacy of Dr. Martin Luther King with this rainbow table mat.

Help your child bring a bit of Halloween magic to school with a spooky ghost pen!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Want to play publisher for a day? Become a book jacket illustrator for this creative and fun project.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Your child can personalize these customizable cookies for friends and family as he makes his own fortune cookies from this fortune cookie recipe.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Build your child's math skills with this 2nd-3rd grade activity. Similar to a carnival toss, this egg carton toss game is sure to provide hours of fun.

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

Learn an ancient craft with this introduction to weaving. A great tie-in for kids learning about ancient cultures.

These decorative vampire bat baskets make for the perfect Halloween party favors, and they're fun for you and your child to make!

Oragami Christmas ornaments make a beautiful addition to your family's tree. Make origami Christmas ornaments out of old wrapping paper this holiday season.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

Have you ever taken a bag of snacks with you on a road trip? If you lived in the 19th century, you might have taken hardtack instead.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

Create a yarn doll out of a few toothpicks and colorful string with this Guatemalan craft.

Give your child some simple craft supplies and see what happens in this heartwarming and artistic contribution to the Seder table this year.