Predicting states of matter
I can predict the state of matter of a substance at different temperatures using the particle model.
Predicting states of matter
I can predict the state of matter of a substance at different temperatures using the particle model.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- There are changes in arrangement, movement and energy of particles during state changes.
- There are two types of change, physical and chemical, and these can be explained in terms of the particle model.
- The physical state of a substance can be predicted at specified temperatures.
- Forces of attraction between particles have a role in determining the amount of energy needed for state changes.
Keywords
Physical change - A change in which no new substances are formed, such as a change in state, e.g. melting.
Chemical change - When a reaction takes place and atoms or ions in the reactants are rearranged to make new products/substances.
Common misconception
Pupils often confuse physical and chemical changes. Also, pupils do not appreciate that substances can exist in any state of matter depending on temperature.
Use the phrasing 'substances in a solid state' rather than solids to avoid pupils thinking that the substance only exits in one specific state.
To help you plan your year 10 chemistry lesson on: Predicting states of matter, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 chemistry lesson on: Predicting states of matter, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 chemistry lessons from the States of matter unit, dive into the full secondary chemistry curriculum, or learn more about lesson planning.
Equipment
Optional : pair of magnets that have different magnetic strengths.
Licence
Starter quiz
6 Questions




boiling point -
temperature where substance changes from liquid state to gas state
condensing point -
temperature where substance changes from gas state to liquid state
freezing point -
temperature where substance changes from liquid state to solid state
melting point -
temperature where substance changes from solid state to liquid state
Exit quiz
6 Questions






