heat transfers

Question 1

Which method of energy transfer only occurs in fluids?

Answer 1

Convection

Question 2

Which method of energy transfer is most effective in solids?

Answer 2

conduction

Question 3

Which method of energy transfer does not involve particles?

Answer 3

Radiation

Question 4

how well objects transfer energy by conduction is known as their what?

Answer 4

thermal conductivity

Question 5

do fluids have a high or low thermal conductivity?

Answer 5

fluids have a low thermal conductivity

Question 6

True or false only hot objects give out infrared radiation?

Answer 6

false

Question 7

True or false radiation is the only way more energy can be transferred in a vacuum?

Answer 7

true

Question 8

when are convection currents created?

Answer 8

when less dense, warm materials rise while more dense, cool materials sink

Question 9

How can you reduce the rate of energy transfer in a house?

Answer 9

add thermal insulation to the roof

Question 10

air is a good what?

Answer 10

insulator

Question 11

When trapped between two sheets of glass reduces heat loss by what two things?

Answer 11

conduction and convection