Phase transitions

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 1

In which phase has molecules the less freedom of movement?

1. Gas phase
2. Solid phase
3. Liquid phase

The gas pressure in a container can increase. When does the gas pressure increase?

1. When the molecules move slower.
2. When the container is opened.
3. When, more molecules enter the container.
4. When, molecules disappear from the container.

In the image you can see a representation of the particle model of a certain substance.
At what stage is this substance?

1. The gas phase
2. The solid phase
3. The liquid phase

What is the name of the phase transition from solid to gas?

1. Melting
2. Freezing/solidification
3. Deposition
4. Sublimation

In the image you can see a representation of the particle model of a certain substance.
At what stage is this substance?

1. The solid phase
2. The liquid phase
3. The gas phase

Which phase transition you see in the picture?

1. Evaporation
2. Melting
3. Condensation
4. Freezing / Solidification

Which phase transition belongs to this sentence:
The rice is cooked completely dry.

1. Evaporation
2. Melting
3. Condensation
4. Freezing / solidification

In which phase has molecules the most energy?

1. Gas phase
2. Solid phase
3. Liquid phase

What phase is water in to each of the following weather types?

Liquid

Gas

Solid

Rain

Snow

Hail

Fog

Frost

A substance can exist in various phases. Which of following statents is about a gas?

1. In this phase, the molecules have fixed positions
2. In this phase, the distance between molecules is very large.
3. In this phase, the substance has fixed shape
4. In this phase, the substance has a fixed volume

When it is cold outside and you breathe out, a cloud of mist appears.

Take a look at the photo and complete the sentences correctly.

The point on the photo where there is a cloud of mist is labelled 

A

B

l

There are 6 phase. Put the corect description next to each of six phase transitions

from gas to liquid

from solid to liquid

from solid to gas

from liquid to solid

from liquid to gas

from gas to solid

solidification / freezing

melting

evaporation

condensation

deposition

sublimation

Fog occurs when a lot of water droplets are suspended in the air. After a clear day, fog suddenly appears
What can you say about the temperature?

1. It has turned colder
2. The temperature has stayed the same
3. It has turned warmer

Water expands when it is heated
Why?

1. The distances between the molecules become greater
2. More water molecules are being added
3. the distances between the molecules become smaller