CAX 8 Phy 2023

Another name for heat energy is....

What is the unit for measuring heat?

• joules
• degrees celcius
• grams
• Newtons

What is a unit for measuring temperature?

• degrees celcius
• joules
• Newtons
• grams

What happens when a substance is heated?

• particles move more
• particles get bigger

What happens when a substance is cooled?

• particles slow down
• particles get smaller

The amount of heat energy in an object depends on three things. Which of these things does it not depend on?

• Colour
• Material
• Temperature
• Mass

Which statement is correct?

• Temperature describes how hot or cold something is.
• Temperature is a form of energy.
• Heat describes how hot or cold something is.
• Thermal energy is the same as temperature.

If you have water in boiling potatoes and turn up the gas what happens to temperature of the boiling water?

• Stays the same
• Increases
• Decreases

You see a glass of water and ice. What is the most likely temperature?

• 0 oC
• 5 oC
• -5 oC
• Room temperature

Heat transfer...

• involves hot obects transferring energy to cold ones
• involves cold objects transferring energy to hot ones