Light Energy

Question 1

releasing its own light

Answer 1

luminous

Question 2

describes objects that emit light when they are hot

Answer 2

incandescent

Question 3

describes living things that release light energy

Answer 3

bio luminescent

Question 4

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

Answer 4

non-luminous

Question 5

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

Answer 5

scattered

Question 6

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

Answer 6

visible spectrum

Question 7

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

Answer 7

dispersion

Question 8

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

Answer 8

electromagnetic radiation

Question 9

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

Answer 9

electromagnetic spectrum

Question 10

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

Answer 10

radio waves

Question 11

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

Answer 11

infra-red radiation

Question 12

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

Answer 12

ultraviolet radiation

Question 13

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

Answer 13

X-rays

Question 14

high energy electromagnetic radiation produced during nuclear reaction

Answer 14

gamma rays