Changes of State Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What happens to water at room temperature, when heated, and when cooled?

At room temperature, water is a liquid. When heated, it becomes water vapour (gas). When cooled in a freezer, it turns into ice (solid).

What is melting?

Melting is the process that changes a solid to a liquid by heating, causing particles to gain energy and weaken the forces between them.

What is boiling?

Boiling, or vaporisation, changes a liquid to a gas by heating, causing particles to move more and break bonds to form a gas.

What is condensation?

Condensation is the process that changes a gas to a liquid by cooling, causing bonds to form between particles.

What is the conservation of mass?

The conservation of mass states that when a substance changes state, its mass does not change; only the arrangement, closeness and motion of the particles change.

Revision Notes
If you're still curious or want to learn even more, click the button below to check out the revision notes for this topic and deepen your understanding!
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