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

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

This creepy, crawly spider fiber arts project is a great way to practice combining different materials to create an interesting work of decorative art.

Explore the positive and negative shapes of a piece of fruit or a vegetable by doing a contour cut-out drawing.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Here's a striking barrette to make for the holidays, and enjoy for years to come!

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

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

This project is about after-images and what possibly affects them.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

Check out this simple version of a pairs game that's played all over the world. It's a great way to practice estimating and predicting mathematical outcomes.

This colorful foam pencil topper will glam up any boring pencil and is guaranteed to add personality to any pencil case!

Make this easy composting dessert and then enjoy the yummy results!

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea investigates food preference of birds.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

New readers need to develop a "bank" of words they can read by sight. Hate flashcards? Consider this fresh way to practice sight words to perfection...Bingo!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Do you think heat can affect a plant's growth rate?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this activity, your child will learn how to make a drop spindle with a handy vegetable.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.