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Recap chapter 3
Recap chapter 3
Join the lessonup on your laptops
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Slide 1:
Tekstslide
Natuurkunde / Scheikunde
Middelbare school
havo, vwo
Leerjaar 2
In deze les zitten
23 slides
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interactieve quizzen
en
tekstslides
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Lesduur is:
45 min
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Recap chapter 3
Join the lessonup on your laptops
Slide 1 - Tekstslide
Schedule for this lesson
Recapping paragraph 1-4 of chapter 3
Slide 2 - Tekstslide
Learning objectives
You know what to learn for the test
The questions you have/had are answered
Slide 3 - Tekstslide
Three phases
Water and many other substances can exist
in different phases, what were these phases called?
As a solid substance - ice
As a liquid - water
As a gas - water vapour
Slide 4 - Tekstslide
Phases in the particle model
We are not able to see molecules and the way they move
But we are able to use the particle model to describe how molecules move depending on what phase the substance is in
Slide 5 - Tekstslide
Describe how molecules move in a solid substance using the particle model
Slide 6 - Open vraag
Phases in the particle model
https://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_all.html
Slide 7 - Tekstslide
How are we able to measure the temperature?
Slide 8 - Open vraag
Thermometers and temperature
You need to be able to describe how a liquid themometer works
What happens inside the thermometer when
the temperature increases?
And what happens when the temperatures
decreases again?
Slide 9 - Tekstslide
Thermometers and temperature
We also have digital themometers
These thermometers use smaller scales
to measure the temperature
Slide 10 - Tekstslide
Phase changes
Substances can change depending on the temperature
This is known as a phase change
Slide 11 - Tekstslide
Phase changes
You need to be able to name and describe these 6 phase changes
Slide 12 - Tekstslide
When it is really cold outside, the water vapour in the air turns into frost on leaves and tree branches
(which phase change is this)
Slide 13 - Open vraag
After a candle has been blown out, the melted wax will turn into solid wax over some time.
(which phase change is this)
Slide 14 - Open vraag
When it is cold outside and you breathe against the window, it starts to fog up
(which phase change is this)
Slide 15 - Open vraag
Phase changes
You also need to be able to describe how to molecules move when changing phases
https://phet.colorado.edu/sims/html/states-of-matter-basics/latest/states-of-matter-basics_all.html
Slide 16 - Tekstslide
Boiling and melting point
When you boil water, the water throughout the whole pot or pan you are boiling it in will start to evaporate
Slide 17 - Tekstslide
Boiling and melting point
Water and other substances have their own boiling and melting points
You need to be able to
read these kinds of
tables
Slide 18 - Tekstslide
Boiling and melting point
The temperature is -110 degrees celsius
Which substance(s) is (are) still in a liquid form?
Slide 19 - Tekstslide
Boiling and melting point
Slide 20 - Tekstslide
Boiling and melting point
https://www.tec-science.com/thermodynamics/temperature/why-does-the-temperature-remain-constant-during-the-change-of-state-phase-transition/
Video displaying melting and boiling point
Slide 21 - Tekstslide
Any questions about something we did not talk about yet?
Slide 22 - Tekstslide
End of the lesson
Slide 23 - Tekstslide
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