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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this fun activity, your child will create their very own solar oven to bake s'mores!