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Sciences Grade 8
30
converted to 20
CHANGE OF STATE
Practical Worksheet 1
Practical Task / Inves
W
estigate the change of state when a substance is heated or cooled down.
stigative question:
OTE: The answer to a proper investigative question is NOT yes or no.)
Consider the following two possible questions for this investigation:
A: Does the state of a substance change when it is heated or cooled?
What is the effect of heating and cooling on the state of a substance
Choose the most appropriate investigative question. Only write down A or
B:

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