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Flashcards in energy Deck (43):
1

potential energy

when something has stress or a charge in it and has the potential to make other types of energy

2

kenetic energy

the energy that is made when an object is in motion

3

conduction:

transfer of heat through collisions between particles

4

insulators

a material that is a poor conductor of heat

5

convection

transfer of heat through the flow of particles

6

radiation

a method of heat transfer that does not require particles to transfer heat from one place to another

7

radiant heat

heat transferred by radiation, as from the sun to the Earth

8

reflected

bounced off

9

transmitted

passed through something, such as light or sound passing through the air

10

absorbed

taken in

11

mechanical

mechanical energy is the sum of potential energy and kinetic energy. It is the energy associated with the motion and position of an object.

12

nuclear

the energy released during nuclear fission or fusion, especially when used to generate electricity

13

thermal

Thermal energy is the internal energy of an object due to the kinetic energy of its atoms and/or molecules

14

movement

In physics, the kinetic energy of an object is the energy that it possesses due to its motion

15

sound

Sound energy is a form of energy associated with the vibration of matter

16

rotational

The angular acceleration is equal to the final angular velocity divided by the time and the average angular velocity is equal to half the final angular velocity

17

light

It is formed through chemical, radiation, and mechanical means

18

gravitational energy


Gravitational energy is the potential energy held by an object because of its high position compared to a lower position

19

elastic energy

Elastic energy is the potential mechanical energy stored in the configuration of a material or physical system as work is performed to distort its volume or shape

20

efficiency

the state or quality of being efficient.

21

deciduous

describes plants that lose their leaves during autumn and winter

22

luminous

releasing its own light

23

incandescent

describes objects that emit light when they are hot

24

bioluminescent

describes living things that release light energy

25

non-luminous

describes objects that do not emit their own light, but can be seen by reflected light

26

scattered

describes light sent in many directions by small particles within a substance

27

visible spectrum

different colours that combine to make up white light; they are separated in rainbows

28

dispersion

separation of the colours that make up white light. Each colour is bent differently when it enters or leaves a glass prism

29

electromagnetic radiation

the radiant energy such as radio waves, infrared, visible light, X-rays and gamma rays released by magnetic or electric fields

30

electromagnetic spectrum

complete range of wavelengths of energy radiated as electric and magnetic fields

31

radio waves

low energy electromagnetic waves with a much lower frequency and longer wavelength than visible light

32

infra-red radiation

low energy electromagnetic waves with a much lower frequency and longer wavelength than visible light

33

ultraviolet radiation

invisible radiation similar to light but with a slightly higher frequency and more energy

34

X-rays

high energy electromagnetic waves that can be transmitted through solids and provide information about their structure

35

gamma rays

high energy electromagnetic radiation produced during nuclear reaction

36

vibrations

repeated fast, back-and-forth movements

37

compression

the process of pushing a material into itself

38

frequency

number of vibrations in one second, or the number of wavelengths passing in one second

39

hertz

unit of frequency; its abbreviation is Hz. One hertz is equal to one vibration every second

40

pitch

the highness or lowness of a sound. The pitch that you hear depends on the frequency of the vibrating air

41

wavelength

a distance between two neighbouring crests or troughs of a wave. This is the distance between two particles vibrating instep.

42

amplitude

the maximum distance that a particle moves away from its undisturbed position

43

reverberation

the longer-lasting sound caused by repeated reflection from hard surfaces