# How Things Work for Kids

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These worksheets teach kids all about how things work by explaining the basic principles of physical science.

### Speed of Light

Ever wanted to travel at light-speed? Find out how fast that is with this fascinating physics worksheet!

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!

### Newton's Third Law

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

### Newton's Second Law

Why is it harder to throw a bowling ball than it is to throw a beach ball? The answer is in Newton's second law of motion!

### Newton's First Law

Why do we wear our seat belts in the car? Newton's first law of motion, or the law of inertia, explains that objects in motion stay in motion!

### Air Resistance

Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

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### Paper Airplane Physics

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

### Condensation and Evaporation

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

### How Lightning Works

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

### The Doppler Effect

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

### Law of Gravity

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

### What is Friction?

Have you ever felt the sting of rug burn or rope burn? That's friction at work! Learn a bit about this important physical force with a comprehensive worksheet.

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### Speed of Sound

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

### What is Energy?

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.