6.4 Infrared and UV

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NatuurkundeMiddelbare schoolvwoLeerjaar 2

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Éléments de cette leçon

lesplanning

Wat weet je zelf al?

uitleg 6.4

zelfstandig werken en vragen stellen

terugkoppeling

Slide 1 - Diapositive

Slide 2 - Vidéo

Search On Infrared:

Does the radiation have a short or long wavelength?

Does the radiation have a high or low amount of energy?

Does it pose any dangers?

What are its practical uses?

Slide 3 - Diapositive

Learning objectives

You can describe where IR and UV are located in the spectrum.
You can name the characteristics of IR and UV.
You can mention applications of IR and UV.
You can explain the dangers of UV.

Slide 4 - Diapositive

H6.4 Infrared en Ultraviolet

Slide 5 - Diapositive

Electromagnetic spectrum

Slide 6 - Diapositive

Infrarood

Infrared (IR)

Slide 7 - Diapositive

Slide 8 - Diapositive

Slide 9 - Diapositive

Slide 10 - Diapositive

i.imgur.com

Slide 11 - Lien

Slide 12 - Diapositive

Slide 13 - Diapositive

Ultraviolet (UV)

Slide 14 - Diapositive

3 types of ultraviolet

Uv-A

Uv-B

Uv-C

Slide 15 - Diapositive

Sunblock or Sunscreen

Without sunscreen, you can

stay in the sun for 5 minutes.

With sunscreen with factor 50,

you can stay in the sun for a maximum of:

5 × 50 = 250 minutes.

Slide 16 - Diapositive

UV lamps

Slide 17 - Diapositive

Slide 18 - Diapositive

Why does many have fluorescent ink?

Slide 19 - Diapositive

Slide 20 - Diapositive

Slide 21 - Vidéo