Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

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!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.