Light test

Question 1

Light rays travel

Answer 1

in a straight line

Question 2

light is visible

Answer 2

energy

Question 3

in order to see an object it must give off or reflect?

Answer 3

wavelengths of visible light and the light must enter your eyes

Question 4

transmission

Answer 4

the physical process of light passing through matter

Question 5

medium

Answer 5

the substance through which light travels

Question 6

types of matter are (3)

Answer 6

transparent, translucent, or opaque

Question 7

transparent

Answer 7

matter that allows light to pass clearly through it

Question 8

translucent

Answer 8

objects that allow some light to pass through, but not all

Question 9

opaque

Answer 9

matter that does not allow light to pass through

Question 10

reflection

Answer 10

light bouncing off a surface

Question 11

refraction

Answer 11

the bending of light when it passes from one transparent material to another

Question 12

prism

Answer 12

refract white light and breaks it into a band of colors

Question 13

absorption

Answer 13

energy from light being taken in by an object

Question 14

black

Answer 14

all colors are absorbed
absorbs the most light
hottest color to wear on a sunny day

Question 15

white

Answer 15

no colors are absorbed
all colors reflected
coolest color to wear on a sunny day

Question 16

shadow

Answer 16

absence of light

Question 17

shadows occur?

Answer 17

an object blocks the light

Question 18

colors of visible light

Answer 18

ROYGBIV

Question 19

primary colors of light

Answer 19

red, blue, and green

Question 20

why does the sky look blue?

Answer 20

because particles in the Earth’s atmosphere cause blue light to scatter more than the other colors in the visible light spectrum