In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

How powerful is the reaction between baking soda and vinegar? Find out here!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project idea compares biodiversity between drops of water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores whether white light can be separated into different colors.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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.