Science unit test 2 - Light, Reflections, Lenses

Question 1

What is the top point of a wave called?

Answer 1

Crest

Question 2

What is the lowest point of the wave called?

Answer 2

Trough

Question 3

What is a wavelength?

Answer 3

The distance from the crest to the next crest

Question 4

What is Amplitude

Answer 4

The depth/height of a wave Crest/Trough via distance from the centerline

Question 5

What’s a centerline?

Answer 5

A line in the middle of the wave

Question 6

What is Frequency?

Answer 6

The amount of cycles per second, measured in HZs

Question 7

What’s visible light?

Answer 7

Light that you can see

Question 8

An tool used to refract light?

Answer 8

Prism

Question 9

Translucent?

Answer 9

Allows some light to pass through

Question 10

Opaque?

Answer 10

Blocks all light from passing

Question 11

Refraction?

Answer 11

Light bending in two different ways

Question 12

Plane Mirror?

Answer 12

Flat mirror that reflects light at the same angle it hit it

Question 13

Concave mirror?

Answer 13

Mirror that curves inwards, Converges light

Question 14

Focal point?

Answer 14

A point that light meets

Question 15

Convex mirror?

Answer 15

Mirror that curves outwards, diverges light

Question 16

Lenses?

Answer 16

A shaped lens that light passes through