SME
Grade 7 Science · Problem type
Name the change
Use this for “Which is an example of water condensing?”
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Which change is it?
Tap a card, then tap its group.
Assumptions
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Ask what state the water was in before and after.
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Sweat forming is not a change of state: it comes out of the skin as liquid.
Topic check
See what you know: 5 questions on this topic
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Related lessons
States of matter and phase changes
Main lesson
Heating curve of water
Use this for “What is the temperature 30 minutes into heating the ice, and what state is it in?”
Heat in or heat out?
Use this for “Which change needs thermal energy to be added?”
Solid, liquid or gas at room temperature?
Use this for “At 20 °C, is the substance a solid, a liquid or a gas?”
Water left in an open cup
Use this to record how much water is left in an open cup each day.