This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

In this activity, your child will be challenged to make a tower using paper cups.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn how different types of soil affect how animal tracks form in this experiment!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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!

This classic children's game demonstrates how sound travels through air vs. through a solid.

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