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U3M2 Fast and Curious: Light

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

electromagnetic radiation that you can see

a)

infared

b)

light

c)

x-ray

d)

radio

2.

energy carried by an electromagnetic wave

a)

electrical energy

b)

kinetic energy

c)

radiant energy

d)

chemical energy

3.

a material that allows almost all of the light striking it to pass through, and through which objects can be seen clearly

a)

transparent

b)

translucent

c)

opaque

4.

a material that allows most of the light that strikes it to pass through, but through which objects appear blurry

a)

transparent

b)

translucent

c)

opaque

5.

a material through which light does not pass

a)

transparent

b)

translucent

c)

opaque

6.

law that states that when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence

a)

virtual image

b)

real image

c)

law of reflection

d)

focal point

7.

an image of an object that your brain perceives to be in a place where the object is not

a)

virtual image

b)

real image

c)

law of reflection

d)

focal point

8.

an image that forms where rays converge

a)

virtual image

b)

real image

c)

law of reflection

d)

focal point

9.

the point where light rays converge after being reflected by a mirror or refracted by a lens

a)

virtual image

b)

real image

c)

law of reflection

d)

focal point

10.

a mirror that curves inward

a)

concave mirror

b)

convex mirror

c)

convex lens

d)

concave lens

11.

a mirror that curves outward

a)

concave mirror

b)

convex mirror

c)

convex lens

d)

concave lens

12.

a lens that is thicker in the middle than at the edges.

a)

concave mirror

b)

convex mirror

c)

convex lens

d)

concave lens

13.

a lens that is thicker at the edges than in the middle

a)

concave mirror

b)

convex mirror

c)

convex lens

d)

concave lens

14.

light from a smooth, shiny surface

a)

regular reflection

b)

diffuse reflection

c)

refraction

d)

lens

15.

light from a rough surface

a)

regular reflection

b)

diffuse reflection

c)

refraction

d)

scattering

16.

the change in direction of a wave as it changes speed in moving from one medium to another

a)

reflection

b)

scattering

c)

refraction

d)

diffraction

17.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

18.

Of the listed EM waves, which has the LONGEST wavelength and, therefore, the LOWEST frequency/energy

a)

Gamma Rays

b)

Ultraviolet

c)

Visible Light

d)

Infrared rays

e)

X-Rays

19.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
20.

Earth’s atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes must be placed in orbit around Earth in order to observe short-wavelength radiation?

a)

Gamma-ray telescopes

b)

Visible-light telescopes

c)

Infrared telescopes

d)

Radio telescopes

21.

Label the diagram