Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

In this project, waves of vibrations are experimented with using water in glasses.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Transform your uncomfortable wooden shoes into charming mini planters!

In this project students experiment with making music using only glasses of water.

Making your own glass cleaner is easy, effective and inexpensive!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Is your child a young ornithologist in the making?

How do organic materials become soil? This science experiment measures what materials biodegrade.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.