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Send messages with light and sound

1st grade (Year 2 in England) · 16 questions · Common Core: NGSS.1-PS4-4 · England: KS2 Y3 Light, KS2 Y4 Sound

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Date

Score/ 16

1
Question 1
What message does this signal send: a school bell at the end of break?
- A. The car is about to turn left.
- B. There may be a fire: get out.
- C. I need help.
- D. Playtime is over; go back to class.
2
Question 2
Why does a pedestrian crossing beep as well as show a green light?
- A. so people who cannot see well know when to cross
- B. because the light is broken
- C. to wake up birds
- D. to make the cars go faster
3
Question 3
Does this signal use light, sound or both: a school bell?
- A. light
- B. sound
- C. both light and sound
4
Question 4
What message does this signal send: a school bell at the end of break?
- A. Stop and wait.
- B. Playtime is over; go back to class.
- C. There may be a fire: get out.
- D. The car is about to turn left.
5
Question 5
You are camping in a dark forest and get lost. Which signal could rescuers see from far away?
- A. whispering
- B. flashing a torch (flashlight) on and off
- C. staying very still in the dark
- D. drawing in the dirt
6
Question 6
Does this signal use light, sound or both: traffic lights?
- A. light
- B. sound
- C. both light and sound
7
Question 7
What message does this signal send: a school bell at the end of break?
- A. I need help.
- B. The car is about to turn left.
- C. Stop and wait.
- D. Playtime is over; go back to class.
8
Question 8
You are camping in a dark forest and get lost. Which signal could rescuers see from far away?
- A. flashing a torch (flashlight) on and off
- B. staying very still in the dark
- C. whispering
- D. drawing in the dirt
9
Question 9
Does this signal use light, sound or both: traffic lights?
- A. light
- B. sound
- C. both light and sound
10
Question 10
What message does this signal send: a smoke alarm beeping loudly?
- A. Stop and wait.
- B. There may be a fire: get out.
- C. I need help.
- D. The car is about to turn left.
11
Question 11
Your friend is across a noisy playground. Which signal will they notice best?
- A. waving a brightly coloured flag
- B. whispering her name
- C. tapping a pencil quietly
- D. humming softly
12
Question 12
Does this signal use light, sound or both: a fire engine on its way to a fire?
- A. light
- B. sound
- C. both light and sound
13
Question 13
What message does this signal send: a red traffic light?
- A. Playtime is over; go back to class.
- B. Stop and wait.
- C. There may be a fire: get out.
- D. I need help.
14
Question 14
Your friend is across a noisy playground. Which signal will they notice best?
- A. whispering her name
- B. waving a brightly coloured flag
- C. humming softly
- D. tapping a pencil quietly
15
Question 15
Does this signal use light, sound or both: a doorbell?
- A. light
- B. sound
- C. both light and sound
16
Question 16
What message does this signal send: a car's flashing orange indicator on the left?
- A. There may be a fire: get out.
- B. Playtime is over; go back to class.
- C. Stop and wait.
- D. The car is about to turn left.

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Answer key: Send messages with light and sound

1. D. Playtime is over; go back to class.
2. A. so people who cannot see well know when to cross
3. B. sound
4. B. Playtime is over; go back to class.
5. B. flashing a torch (flashlight) on and off
6. A. light
7. D. Playtime is over; go back to class.
8. A. flashing a torch (flashlight) on and off
9. A. light
10. B. There may be a fire: get out.
11. A. waving a brightly coloured flag
12. C. both light and sound
13. B. Stop and wait.
14. B. waving a brightly coloured flag
15. B. sound
16. D. The car is about to turn left.