EXAMPLES
CONDUCTION
CONVECTION
RADIATION
100

The sun heating the earth

Radiation

100

Does conduction happen when objects are touching, or when they are far apart?


when they are touching

100

What happens to hot air when it leaves a campfire?


It rises

100

If you put your hands near a hot lightbulb without touching it, what do you feel?


heat

200

Warm air from a heater rises to the ceiling while cooler air sinks toward the floor. Which type of heat transfer is this?

CONVECTION

200

Transfer of heat energy through _______ contact

direct

200
  • Warm air ________ and cold air sinks.


Rises

200

How does the Sun heat up the sidewalk on Earth if they aren't touching each other?


  •  The heat travels through the air
300

You’re standing outside on a cold night, far from the campfire, but you still feel warmth on your face. Which type of heat transfer is at work  

RADIATION

300

In which direction does heat always travel during conduction?

  •  
  •  From hotter objects to colder objects
300

Transfer of heat energy through the ________ of a _________.

Movement , Fluid

300

If radiation heat travels outward in all directions from a candle flame, why can't you feel the heat if you place a book between your hand and the candle?


  •  The heat travels in straight lines and cannot pass through the solid book
400

A student sits in a warm classroom. The heater is on across the room, but they don’t feel warmer until the ceiling fan is turned off. Once the fan stops, warm air seems to collect near the ceiling and the student finally feels the heat spreading downward. What type of heat transfer is mainly happening?

Convection

400

If you put a metal spoon into a hot bowl of soup, what happens to the handle?


I gets hot

400

Why is the second floor of a house usually warmer than the basement?


warm air rises

400

If you stand close to a hot pizza oven, why does your face start to feel warm?


The oven is shooting heat out to you

500

A student is in a science lab. They place a metal rod with one end dipped into a beaker of boiling water. The other end of the rod is held in their hand. After a few minutes, the student’s hand starts to feel warm. 

What type of heat transfer is this?

Conduction

500

Which of the following is the best example of heat transfer by conduction?"

  • A) Sunlight warming the sand on a beach
  • B) Warm air rising toward the ceiling in a room
  • C) A metal pan getting hot when placed on a burner
  • D) Warm water circulating in a boiling pot

C

500

What do we call the continuous loop that forms when warm air rises, cools down, and sinks back down?


A convection current

500

What will happen to a piece of chocolate left on a table right by a sunny window, even if the indoor air is cold?


  •  It will melt (because the sun's radiant heat goes right through the glass)
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