Light And Sound 3rd Grade Science
7 Questions
| Total Attempts: 2202
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Sound is a mechanical wave whereas light is an electromagnetic one. Light does not need a medium to travel to, sound does but they are both waves but only light is also a particle. Test out what you know about these two, their use and effects by taking the simple and comprehensive quiz below.
Questions and Answers
- 1.
- A.
Turning off a light
- B.
Blocking the path of light
- C.
Shining light on a dark area
- D.
Vibrations
- 2.Most light energy on Earth comes from
- A.
The moon
- B.
Street lights
- C.
Candles
- D.
The sun
- 3.Sunlight energy can heat up everything EXCEPT:
- A.
Sand
- B.
Water
- C.
Cement
- D.
An indoor t.v.
- 4.When light is blocked a ________ occurs.
- A.
Vibration
- B.
Light source
- C.
Shadow
- D.
Straight path
- 5.When light passes through water it is ____________
- A.
Bent
- B.
Reflected
- C.
Blocked
- D.
Sped up
- 6.What is the cause of sounds being heard with your ears?
- A.
High pitch
- B.
Softness
- C.
Vibrations
- D.
Loudness
- 7.Sound can be made by all EXCEPT:
- A.
Plucking a guitar
- B.
Striking a drum
- C.
Looking at doorbells
- D.
Hitting a bell
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