Heat, Temperature and Methods of Heat Transfer

6. Heat and Temperature

​

Open Ended

If I left a cup of hot coffee out on the counter, what would eventually happen to it? (Assume no one is drinking it!)

Open Ended

What about if I put an ice cube in it?

Multiple Choice

Do you think objects get warmer or colder because they transfer heat or transfer cold

• Transfer heat

• Transfer cold

Multiple Choice

What is going to happen here?

• The cold transfers into the hot water cup

• The heat transfers into the cold water

• Nothing will happen

Multiple Choice

What kind of energy do objects in motion have?

• Kinetic

• Potential

• Thermal

Multiple Choice

Which molecules do you think vibrate faster?

• Hot

• Cold

• Both the same

Multiple Choice

The coffee’s temperature will ______ and the ice cube’s temperature will _______

• decrease; increase

• increase; decrease

• increase; stay the same

• stay the same; decrease

Multiple Select

Until...

(Choose all that apply)

• The ice cubes have melted

• Coffee and ice cubes have reached the same temperature

• The water from the ice cubes is warmer than the coffee was

Multiple Choice

If you put a

$$5\degree C$$  spoon into $$80\degree C$$ coffee, then they will reach thermal equilibrium at....

• $$42.5\degree C$$  

• $$85\degree C$$  

• $$80\degree C$$  

Multiple Choice

Hot particles _________ and cold particles __________

• rise up;

  fall down

• fall down;

  rise up