Understanding Energy and Temperature

Which of the following is NOT an energy store mentioned in the video?

• Chemical

• Thermal

• Elastic Potential

• Nuclear

What happens to the particles of a solid when its thermal energy store increases?

• They expand

• They vibrate more

• They change state

• They move more freely

In which direction does energy transfer occur between objects?

• It depends on the material

• In both directions equally

• From hotter to cooler objects

• From cooler to hotter objects

What is the final temperature of the coffee and its surroundings at equilibrium?

• 60 degrees Celsius

• 222 degrees Celsius

• 20 degrees Celsius

• 22 degrees Celsius

Why does a swimming pool have more thermal energy than a kettle of boiling water?

• It has a higher temperature

• It contains more particles

• It is made of a different material

• It is larger in size