1.2 Pure substances and mixtures

Pure substances and mixtures
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Slide 1: Tekstslide
ScheikundeMiddelbare schoolhavoLeerjaar 3

In deze les zitten 10 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 50 min

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Pure substances and mixtures
Paragraph 1.2

Slide 1 - Tekstslide

What substance properties do you know?

Slide 2 - Woordweb

Substance properties
Characteristics which identify a substance
Examples:
Odor, color, taste, flammibility

Not substance properties:
Temperature, shape, mass, volume

Slide 3 - Tekstslide

Molecular model
Each substance consist of molecules
Each substance has its own kind of molecules.
Molecules are the smallest part of a substance.

Slide 4 - Tekstslide

Are molecules ever visible?
Judge yourself

Slide 5 - Tekstslide

Pure substance                       Mixture

Slide 6 - Tekstslide

Is milk a mixture or a pure substance?
A
Mixture
B
Pure substance

Slide 7 - Quizvraag

Is ammoniak a mixture or a pure substance?
A
Mixture
B
Pure substance

Slide 8 - Quizvraag

Substance properties
No substance properties
color
odor
melting point
boiling point
mass
volume
density
phase at  room temperature
temperature
solubility in water
solubility in oil

Slide 9 - Sleepvraag

A molecule ...
A
... is a mixture.
B
...is 1mm large.
C
... can be seen with the naked eye.
D
...is the smallest part of substance.

Slide 10 - Quizvraag