ib-class-6 · Science
Practice — The Scientific Method, Matter and Energy — How Science Works
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⏱ 05:00
A student investigates: 'How does the amount of sugar added to water affect the boiling point?' Identify (a) the independent variable, (b) the dependent variable, (c) three controlled variables. Then trace the complete energy transformation chain for a hydroelectric power plant, starting from the Sun.
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