Light and Optics Unit Review

The point where the rays meet is known as....

• Fire

• the focal point

• refraction

• Plane of the lens

Electromagnetic waves that you can see

• radio waves

• visible light

• x-rays

• ultraviolet rays

Light travels in forms of _______________.

• Rays

• Waves

• Reflection

• Colours,

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Why does your pupil increase in size when you enter a dark room?

• To protect the eye

• to allow more light to enter the eye

• to allow less light to enter the eye

• to creep people out

Tags

NGSS.MS-LS1-8

Define refraction of light.

• The reflection of light off a surface

• The bending of light as it passes from one medium to another.

• The absorption of light by a medium

• The emission of light from a source

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Light travels in ​ (a)   lines.​

• straight

• diagonal

• wavy

• zigzag

• broken

Light is a form of

• food

• energy

• particles

• transformation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Type of mirror that can produce an inverted image...

• Plane

• Convex

• Concave

Type of mirror used as a side mirror on a vehicle to provide a wide angle view...

• Plane

• Convex

• Concave

Which one of these is a convex lens?

• 
• 
• None of the above