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3.1 Radiation and contamination
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Slide 1:
Slide
Natuurkunde
Middelbare school
havo
Leerjaar 3
This lesson contains
12 slides
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interactive quizzes
,
text slides
and
4 videos
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Items in this lesson
Slide 1 - Slide
Put the kinds of radiation in order from bigger to smaller
Micro-golve
Visible light
Infrared radiation
UV-radiation
Radio waves
Röntgen
Gamma
Slide 2 - Drag question
Slide 3 - Video
Radiation and contamination
Irradiation - Being exposed to radiation
Contamination – area which is affected by radiation.
In other words, the area or object has absorbed radiation
Slide 4 - Slide
Different kinds of radiation
- Gamma
Small as a nucleus
Through the body
Damages bad and good cells
- Röntgen
Between gamma and UV
Used for watching bones en braintissue
Slide 5 - Slide
Slide 6 - Video
Slide 7 - Video
Which radiation causes the most damage to our bodies?
Slide 8 - Open question
Slide 9 - Video
What is backgroundradiation?
Slide 10 - Open question
Radiation in numbers
Total amount of radiation: Radiation dose
This dose is in Sievert(Sv)
Very low dosages, backgroundradiation, are in milli of micro Sv
Sigarettes are full of radioactive waste
Slide 11 - Slide
Exercises!
Do: 5.1: 1, 3, 6, 7, 8, 10, 13, 14, 19
Complete these exercises before the next lesson. Then we'll discuss them if you checked you answers beforehand.
Slide 12 - Slide
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