Heat P4

Question 1

Good Conductors of Heat

Answer 1

1. Allow heat to flow through them easily
2. Eg Metals for cooking allow heat to be conducted from fire to the food more quickly

Question 2

Poor Conductors/Insulators of Heat

Answer 2

1. Do not allow heat to flow through them easily
2. Eg Wood/Rubber/Plastic
3. Solids are the best conductor of heat, followed by Liquids, followed by Gas like air
4. Eg in a winter jacket, both the fur and the trapped layer of air are insulators, slowing down heat loss from our warmer body to the colder surroundings

Question 3

Heat Gain

Answer 3

1. What gained heat from What
2. Increase in Temperature (and maybe change in state: Water Cycle)
   OR
3. Expands
   * application: thus the water level rises and overflows/ball cannot fit into hole anymore

Question 4

Heat Loss

Answer 4

1. What lost heat to What
2. Decrease in Temperature (maybe change in state)
   OR
3. Contracts
   *application: thus causing water level to fall or balloon to contract