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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project teaches students the differences between fruits and vegetables.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

This science fair project idea examines the reason boats are shaped and engineered.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

Give your budding young observers a chance to discover simple machines at use in their own home.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!