What happens during a state change?

In this lesson, we find out what happens to the arrangement and behaviour of particles during a change of state. Learn about the properties of solids, liquids and gases and how to identify changes of state.

What happens during a state change?

In this lesson, we find out what happens to the arrangement and behaviour of particles during a change of state. Learn about the properties of solids, liquids and gases and how to identify changes of state.

Lesson details

Key learning points

  1. Describe how particles are arranged in solids, liquids and gases
  2. Explain what happens to particles in substances that change state
  3. Identify phase changes present in a range of examples

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
Particles in a solid
Are not touching and moving fast in all directions.
Are touching and not moving.
Correct answer: Are touching and vibrating on the spot.
Are touching but can move past each other.
Q2.
Liquids can be compressed because there are spaces between the particles.
Correct answer: False
True
Q3.
Gases can flow because the particles are able to move in all directions.
False
Correct answer: True
Q4.
What happens to particles when they are heated?
Correct answer: They gain energy.
They have no energy.
They have the same amount of energy.
They lose energy.
Q5.
Which of the following is condensation?
Correct answer: A gas becoming a liquid.
A liquid becoming a gas.
A liquid becoming a solid.
A solid becoming a liquid.

Lesson appears in

UnitScience / Physical and chemical changes

Science