This science fair project idea produces sounds by creating vibrations using different objects.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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!

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

This science fair project idea investigates how color affects temperature.

Examine the effect of pressure on carbonation in soda.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

This science fair project investigates why the number of visible stars changes from place to place.