In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This Labor Day, encourage your child to learn more about the different tools and supplies found in a doctor's bag by having her create one of her own!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Take a look at this oogly-googly eye Halloween craft! Have your child tweak the design to learn about balance and counterbalance with this crazy-eyed creature.

Children will learn about diversity, hear a story that reflects appreciation and acceptance of differences, and connect with a pen pal in another country through writing and drawing a letter.

Once readers know the individual sounds letters make, they need to learn how to blend them and how to break them apart. This activity will help them practice.

Re-purpose a tin can into a pretty compost bucket for your family's kitchen counter and learn about the science and fun of recycling and renewing objects.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Make a paper jack-o'-lantern treat bucket this Halloween! While crafting, your kid will learn about the process of creating self-standing sculptural objects.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Learn how to make a haunted house with this Halloween craft. See how to make a haunted house with a project that is fun for ghosts and ghouls alike.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

Practice counting with this winter kindergarten art project! As your child sculpts a clay igloo, he will work on math and dexterity and learn about snow.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Weave a unique ribbon pattern! This fun arts and crafts activity is a great way to make colorful projects and learn basic math and art skills.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Kids make a cute pipe cleaner bumble bee craft and learn a few interesting bee facts along the way in this spring-themed arts and crafts activity.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Write a letter to Santa and bring back the lost art of letter writing. Learn how to write a carefully crafted wishlist using proper letter form.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.