Curriculum
Course: HIA International — Grade 7
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Curriculum

HIA International — Grade 7

Unit 3: Forces, motion and pressure

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Unit 6: Light and objects in space

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Unit 8: Energy changes and reactions of metals

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Quiz

2.3 Planning a solubility investigation — Visual & Photo Quiz

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1.
Look at the apparatus for testing how temperature affects solubility. Which variable must be kept constant (controlled) for a fair test?
Dr Dabour Hub Academy - figure 1
The volume of water (solvent) and rate of stirring
The water temperature
The mass of solute that dissolves
The room air pressure
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