6.1 What is light

Science Period 
4
Light
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Slide 1: Slide
Light — introductionMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 27 slides, with text slides and 1 video.

Items in this lesson

Science Period 
4
Light

Slide 1 - Slide

Learning goals
Describe what light is
  • Explain what light is made up
  • Explain why light is a spectrum
What is the umbra and penumbra of a shadow?
How does a camera work?

Slide 2 - Slide

  • During classical explanation – have a question, raise your hand

  • While working independently – disturb the class, go to olc 2 for the rest of the lesson with extra work

  •  Not participating serious in the class (making noise, inappropriate jokes, etc.) — go to olc 2 with extra work

  • Disturb the class – warning – come to school the next day at 8

Slide 3 - Slide

What is light?

Slide 4 - Slide

Slide 5 - Video

What is light?
The wave particle duality

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Light is what we see

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Light is what we see
Light is a form of energy

Slide 8 - Slide

Light is what we see
Light is a form of energy
Light is an electromagnetic wave

Slide 9 - Slide

Light is what we see
Light is a form of energy
Light is an electromagnetic wave
Light is a spectrum

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Light is what we see
Light is a form of energy
Light is an electromagnetic wave
Light is a spectrum
Light is a wave particle (called a photon)

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Light is an electro magnetic wave

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Light is an electro magnetic wave

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Light is a spectrum

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Slide 15 - Slide

6.1 What is light?
  • Light is a way of transferring energy in the form of an electro magnetic wave

Slide 16 - Slide

6.1 What is light
Light is a way of transferring Energy (EM waves)
  • Electromagnetic waves can travel through empty space without loosing energy.

  • Because of this the Sun is able to provide energy to the Earth — This is what makes life possible.


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Luminous
  •  Luminous — Source that give of light

  • This light reflects of objects into our eyes (these objects are not luminous)

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Umbra — Penumbra

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Line of sight

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Camera obscura
camera obscura, ancestor of the photographic camera.  It  consisted of small darkened rooms with light admitted through a single tiny hole. The result was that an inverted image of the outside scene was cast on the opposite wall, which was usually whitened

Slide 24 - Slide

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Slide 26 - Link

Working independtly
Homework:
    • Yellow block exercises
    •  Workbook exercises 

    Slide 27 - Slide