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

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

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

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

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!