Energy

Question 1

luminous

Answer 1

releasing its own light

Question 2

incandescent

Answer 2

describes objects that emit light when they are hot

Question 3

bioluminescent

Answer 3

describes living things that release light energy

Question 4

non-luminous

Answer 4

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

Question 5

scattered

Answer 5

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

Question 6

visible spectrum

Answer 6

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

Question 7

dispersion

Answer 7

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

Question 8

electromagnetic radiation

Answer 8

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

Question 9

electromagnetic spectrum

Answer 9

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