Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This science fair project collects information on the Internet about yourself and others.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Discover how and which salt melts ice the quickest.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Learn with makes water molecules work with this fun and easy science activity!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.