Unit 1 - Physics

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1. What are the differences between a solid and a liquid?

  • particles in a solid less energy and are very dense where as liquids take shape of a form they are in.
  • a liquid is a melted solid
  • one is more thin then another
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Other questions in this quiz

2. Why is the handle of a kettle plastic?

  • cause it stops you burning yourself
  • because plastic is a poor conductor so it wont heat up and burn you
  • cause its chaep

3. Why is the inside of a vacuum flask shiny?

  • to keep the drink hot
  • to reflect all heat emitted by the hot drink inside
  • to absorb heat

4. Why are liquids and gases poor thermal conductors?

  • they have more energy so are therefore less dense and more spread out so it takes a long time to heat
  • they are too thin

5. What is infrared radiation?

  • a type of conduction
  • Infrared radiation is a type of electromagnetic wave
  • heat

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