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Laser Technology Introduction
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Laser Technology Introduction
🔬 Part 1: Understanding Lasers
1. What does the word LASER stand for?
Light Amplification by Stimulated Emission of Radiation
Light And Sound Energy Radiation
Large Area Sound Energy Ray
Light Action Science Energy Research
2. How is laser light different from light from a torch?
Laser light is very focused and travels in a narrow beam
Laser light spreads out widely like a torch
Laser light is always red colour
Laser light is the same as torch light
3. Which of these are everyday uses of lasers? (Tick all that apply)
Scanning barcodes at the supermarket
Laser eye surgery
DVD and CD players
Measuring distances
Cooking food in the microwave
4. Fill in the blank: Laser light is made when atoms release __________ all at once in one direction.
Answer: _______________
⚠️ Part 2: Laser Safety
5. The most important laser safety rule is:
Never point lasers at people's eyes
Only use red lasers
Lasers can only be used outdoors
Lasers should be stored in the fridge
6. List three important safety rules when using laser pointers:
1. ________________________________________________
2. ________________________________________________
3. ________________________________________________
7. Why do you think laser safety is so important? Explain in your own words.
💭 Part 3: Reflection and Thinking
8. Describe what you observed during the laser pointer demonstration:
What I saw: ________________________________________________
How the light travelled: ________________________________________________
Interesting observation: ________________________________________________
9. Think of a new way lasers could be used to help people. Draw and describe your idea:
10. Complete this sentence: "The coolest thing I learned about lasers today was..."
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