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This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project idea investigates how the shape of an object affects drag.

Make an edible play dough with your child to help her develop her sensory and motor skills.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Discover the wonders of simple clay by pressing flowers into a modeling medium!

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Cleaning can be a chore, but not with this sudsy experiment!

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Science fair project that demonstrates how stalagmites and stalactites are formed.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.