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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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