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Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

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!

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!

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!

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

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!

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.

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.

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.

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Hunt for natureâs treasure, the many different products made by trees!