Showing Results for force and motion

This science fair project idea investigates how magnetism can defy the force of gravity.

Learn all about balance and motion as your child designs a corn maze!

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

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!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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 how the shape of an object affects drag.

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.

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

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project idea explores how length affects the weight a bridge can hold.

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

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.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

Using a toy race car kids create a visual model of the Doppler Effect.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.