Heating and Cooling

Question 1

what is heat energy?

Answer 1

the energy needed to make the temperature of something rise

Question 2

what is another name for heat energy?

Answer 2

thermal energy

Question 3

how does heat energy move?

Answer 3

moves from places with high temps to low temps if it is able to

Question 4

what is heat energy measured in?

Answer 4

joules

Question 5

what is conduction?

Answer 5

when thermal energy travels through the solid from the hot region to the colc region

Question 6

what does heat energy pass through easily?

Answer 6

metals

Question 7

what do we call something that heat passes easily through?

Answer 7

good conductors of heat

Question 8

what is a poor conductor?

Answer 8

solids that don’t let the thermal energy travel through them easily

Question 9

what is one of the best insulators?

Answer 9

air

Question 10

why is air a poor conductor of heat?

Answer 10

the particles in air are spread out

Question 11

what do we do to use air as an insulator?

Answer 11

trap it

Question 12

what does conduction make things feel?

Answer 12

cold

Question 13

name a good conductor

Answer 13

metal

Question 14

what is convection?

Answer 14

when heat rises and cold air replaces it

Question 15

what is the cycle of air known as?

Answer 15

a convection current

Question 16

what is radiation?

Answer 16

when heat energy travels from a heated object

Question 17

what type of surfaces are good absorbers of infra red radiation?

Answer 17

dark, dull surfaces

Question 18

what kind of surfaces do not absorb infra red radiation very much and are good reflectors of radiation?

Answer 18

light, shiny

Question 19

what objects in life five of infra red radiation?

Answer 19

everything

Question 20

what are 2 advantages of using a data logger?

Answer 20

it is more precise and puts the results into graphs more easily

Question 21

name 2 disadvantages of using a data logger?

Answer 21

it may run out of power and is expensive