Year 4 states of matter

The particles in a solid:

• are closely packed together and vibrate.

• move freely over each other within a container in which they are held.

• can be poured.

• are very spread out and can escape an open container.

The particles in a liquid:

• are closely packed together and vibrate.

• move freely over each other within a container in which they are held.

• can not be poured.

• are very spread out and can escape an open container.

The particles in a gas:

• are closely packed together and vibrate.

• move freely over each other within a container in which they are held.

• can be poured.

• are very spread out and can escape an open container.

What is the freezing point of water?

• It can change.
• Minus one hundred degrees celcius.
• Zero degrees celcius
• One hundred degrees celcius.

Name the process that describes the change from water to ice.

• Condensation
• Evaporation
• Freezing
• Melting

Name the process that describes the change from water to water vapour.

• Evaporation
• Melting
• Condensation
• Freezing

Name the process that describes the change from ice to water.

• Freezing
• Melting
• Evaporation
• Condensation

Name the process that describes the change from water vapour to water.

• Freezing
• Melting
• Evaporation
• Condensation

What is the boiling point of water?

• Zero degrees celcius.
• Minus one hundred degrees celcius.
• One hundred degrees celcius.
• It can change.

What is the water cycle?

• The journey water takes from the sky to the sea.
• The continuous journey water takes from the sea, to the sky, to the land and back to the sea.
• The journey water takes from the sea to the sky.
• A bike ride through a river.