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描述
Discover why things fall to the ground, how sound travels through walls and how many wonderful inventions exist thanks to physics in this lively, informative guide exploring what physics is, how it works and why it is vital to everyday life. Covers all the main topics including forces, electricity, magnetism and astronomy - all illustrated with humorous drawings, cartoons and diagrams. Includes simple experiments and internet links to recommended websites to find out more.
Contents of this book include:
Introduction
- What's physics all about?
- Physics all around
The beginning of everything
- How did the Universe begin?
- What's everything made of?
Feel the force
- Speed and motion
- Mass matters
- Friction - there's the rub
- It's the law!
- Work harder!
- Gravity - it makes you more attractive
- Going around in circles
- A balancing act
- Under pressure
- Why does wood float?
Energy everywhere
- Why is energy like a superhero?
- You've got the power
- The heat is on
- What's a wave?
- The electromagnetic spectrum
- Let there be light!
- Hearing things
It's electrifying!
- Where does electricity come from?
- How can electricity flow?
- Going around in circuits
- Why do magnets stick to your fridge?
Lost in space
- Starry, starry night
- What's the Sun?
- What's the Moon?
- Our Solar System
More about physics
- Physics through the ages
- How does physics work?
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