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Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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.

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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.

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.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Create a self-portrait from natural materials in this collage craft activity!

In this activity your child will create their very own marble maze!

In this project children practice the scientific method while playing with puffy paint.

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