2T Water 3.3

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 2

Plan for today

1. Testing your knowledge

2. Phase changes/transitions

3. The particle model

4. Working on the exercises

Next lesson: discussing the test

Which one of these is NOT
a phase?

1. Water
2. Gas
3. Liquid
4. Solid

True or false:
Water vapour is invisible.

1. True
2. False

True or false:
A thermometer works because
ethanol shrinks as the temperature increases

1. True
2. False

If we are heating up a block of ice, from what temperature will it start to melt?

1. -10 °C
2. 0 °C
3. 10 °C
4. 1 °C

Learning objectives

1. You can name the 6 phase changes.

2. You can describe the phase changes in the particle model.

3. You can name and recognize real-life examples of the phase changes

Phase transitions

The particle model

Work on the exercises

Read: 92 - 95

Make: 1, 3, 5, 6, 8

Not finished? --> Homework!