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6. What does a thermogram do?
- I am unsure.
- Measure the amount of infrared radiation emitted by an object.
- Detect burglars and people trapped in collapsed buildings.
7. Describe the movement of particles in gases.
- Move quickly in any direction.
- Move around each other.
- I am unsure.
8. The greater the temperature difference between an warm object and its cold surroundings...
- The greater the amount of heat loss.
- There'll be a small amount of heat loss occurring.
- I am unsure.
9. Light, shiny surfaces are good absorbers and emitters of infrared radiation.
10. Describe the arrangement of particles in solids.
- Close together and regular pattern.
- Tight and close.
- I am unsure.
11. Why can't convection can't take place in solids?
- I am unsure.
- Because the particles are fixed and unable to move past each other.
- Because convection can only happen in hot conditions.
12. What are 'thermal insulators'?
- I am unsure.
- Poor conductors of heat.
- Excellent conductors of heat.