H1.3 Transition of phases (Micro, macro and temperature changes)

Micro - macro, phase transitions and temperature changes

Section 1.3
Chapter 1
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Micro - macro, phase transitions and temperature changes

Section 1.3
Chapter 1

Slide 1 - Tekstslide

Micro (molecules)
Macro (senses)

Slide 2 - Tekstslide

Slide 3 - Tekstslide

Slide 4 - Tekstslide

Slide 5 - Tekstslide

pure substance and mixture
  • pure substance : one single substance , made up of one type of molecules

  • mixture : two of more substances mixed together, made up of different type of substance

Slide 6 - Tekstslide

Slide 7 - Tekstslide

examples
pure substance :
sugar, alcohol , destilled water

mixture : medicines, air, tapwater 

Slide 8 - Tekstslide

finding out if a substance is pure or a mixture
  • Use this experiment : 

Slide 9 - Tekstslide

Slide 10 - Link

a pure substance has a melting point
a mixture has a melting range



Slide 11 - Tekstslide

The odor of a candle
A
Macro
B
Micro

Slide 12 - Quizvraag


A
Macro
B
Micro

Slide 13 - Quizvraag

What phase transition do you see here?
A
evaporation
B
solidification
C
condensation
D
melting

Slide 14 - Quizvraag

What is phase
transition 3 called?
A
evaporation
B
solidification
C
sublimation
D
deposition

Slide 15 - Quizvraag

Do molecules change during phase transition?
A
Yes
B
No

Slide 16 - Quizvraag

Mixture or
pure substance?
A
Mixture
B
Pure substance
C
Couldn't say

Slide 17 - Quizvraag

A mixture has a
A
boiling point
B
boiling range

Slide 18 - Quizvraag

Temperature scales
  • degrees Celsius  (oC)
  • Kelvin (K)
  • convert Kelvin to oC and vice versa

Slide 19 - Tekstslide

20 degrees Celsius is ....... Kelvin

Slide 20 - Open vraag

150 Kelvin is ....... degrees Celsius

Slide 21 - Open vraag

a liquid starts to boil and temeperature slowly rises. This is a .....
A
pure substance
B
mixture

Slide 22 - Quizvraag

what is shown in the graph?
A
boiling point
B
melting range
C
boiling range
D
melting point

Slide 23 - Quizvraag

what is shown in the graph?
A
melting range
B
solidifying point
C
solidifying range
D
melting range

Slide 24 - Quizvraag