SME
Grade 7 Science
States of matter and phase changes
The main lesson, then each kind of problem it solves.
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?”
Name the change
Use this for “Which is an example of water condensing?”
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.