3T-CH-P1-H1.2+1.3-ActObsCon-phases-Kelvin-2324-BENO

• Scheikunde
• Middelbare school
• vwo
• Leerjaar 3

 H1.2

Read Page 16: Doing Research.

Write your definition of the blue words.

Check the definitions (summary p.37).

Finished continue reading or do assignments.

H1.2 + H1.3

Action, Observation, Conclusion

Phases, Transitions and Kelvin

Learning Aims

I can ...

... distinguish between actions, observations and conclusions.

... recognize the three phases at micro and macro level.

... name the six transitions between phases.

... indicate phases and transitions in a word equation.

... convert temperature between the units Celsius and Kelvin.

... access temperature diagrams as mixture or pure substance.

Language Aims

Desposition

Sublimation

Solidification

Evaporation

Condensation

Temperature gradient

Melting range

There is some salt in this jar.

1. Action
2. Observation
3. Conclusion
4. None of the above

I see salt in this conical flask.

1. Action
2. Observation
3. Conclusion
4. None of the above

There is a white solid in the flask.

1. Action
2. Observation
3. Conclusion
4. None of the above

Harry holds the graduated cylinder.

1. Action
2. Observation
3. Conclusion
4. None of the above

The beaker is made of glass.

1. Action
2. Observation
3. Conclusion
4. None of the above

The beaker is made of a transparent solid.

1. Action
2. Observation
3. Conclusion
4. None of the above

I pore water into the beaker.

1. Action
2. Observation
3. Conclusion
4. None of the above

Celcius / Kelvin

Absolute zero & kelvin

Kelvin --> Celsius -273

Celsius --> Kelvin +273

The phases of matter

Solid: (s)                                                      Micro level

Liquid : (l)                     Gas                           Liquid                       Solid

Gas: (g)

disolved in

 water: (aq)

Transition of phases

Triangle of phases

Pure substances

have a meltingpoint and a boilingpoint.

The temperature cannot rise further untill all matter has melted or ... .

Mengsel

Stoltraject

Mixtures

have a melting range and a boiling range.

The temperature of a part of the mixture still rises while another part is boiling.

Transitions 1 and 4
are ... and ...

1. evaporation and solidification
2. condensation and evaporation
3. solidification en sublimeren
4. condensation en solidification

Transitions 3 and 6 are ... and ...

1. solidification and desposition
2. melting and sublimation
3. desposition and evaporation
4. condensing and solidification

Ethanol has a boilingpoint of
78 degrees Celsius.
How much is that in Kelvin?

1. -193 K
2. 351 K
3. -95 K
4. 251 K

Wat is het absolute nulpunt?

1. 0 K
2. 273 K
3. -273 K
4. 0 graden Celcius

The boiling point of copper is 2843 K. What is the boiling point in Celsius?

1. 3116 graden Celsius
2. 2670 graden Celsius
3. 2570 graden Celsius
4. 3016 graden Celsius

What is the lowest temperature ?

1. 10 degrees Celsius
2. 273 Kelvin
3. 200 Kelvin
4. -10 degrees Celsius

Learning by yourself

Free learning time (In silence)

1 Read (H1.2-H1.3)

2 Continue assignments (1-35)

3 Summarize

20 minutes

Question -> raise your hand

Learning Aims

I can ...

... distinguish between actions, observations and conclusions.

... recognize the three phases at micro and macro level.

... name the six transitions between phases.

... indicate phases and transitions in a word equation.

... convert temperature between the units Celsius and Kelvin.

... access temperature diagrams as mixture or pure substance.

Language Aims

Desposition

Sublimation

Solidification

Evaporation

Condensation

Temperature gradient

Melting range