Energy 1

Question 1

What is thermal energy?

Answer 1

The energy possessed by hot objects, caused by the random motions of the particles in them

Question 2

performs

Answer 2

work or heat

Question 3

How do you work out efficiency?

loc sym

Answer 3

useful energy transferred / total energy input to the system x 100
5 fish

Question 4

performs

Answer 4

The energy possessed by any moving object

Question 5

si

Answer 5

joule

Question 6

symbol

Answer 6

E

Question 7

must be transferred to

Answer 7

an object

Question 8

definition

Answer 8

is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object

Question 9

Energy cannot be

Answer 9

Created or destroyed

Question 10

it can only be

Answer 10

Transferred

Question 11

Sankey diagrams are a specific type of

Answer 11

flow diagram

Question 12

The energy emitted by luminous objects

Answer 12

Light energy

Question 13

The energy carried by longitudinal waves from vibrating objects

Answer 13

sound energy

Question 14

law of the conservation of energy?

Answer 14

Energy cannot be created or destroyed

Question 15

Thermal conduction loc

symbol

Answer 15

red duck

Question 16

Thermal conduction used on metal or non

Answer 16

both

Question 17

What are poor conductors of heat?

Answer 17

non-metal solids, liquids and gases

Question 18

transfer of heat through fluids

Answer 18

Convection

Question 19

is the

Answer 19

quantitative property

Question 20

Convection loc

symbol

Answer 20

1

Cone blue

Question 21

thermal radiation loc

symbol

Answer 21

2

radiator red

Question 22

type of quantity

Answer 22

Conserved

Question 23

closely related to

Answer 23

Mass

Question 24

closely related to mass because

Answer 24

mass–energy equivalence

Question 25

require energy to stay alive

Answer 25

Living organisms

Question 26

luminous measure

Answer 26

flux