• Canada
• Ontario
• Grades 1-8
• Grade 8
• Science
• Understanding Structures and Mechanisms, System in action

3.4 compare, using examples, the scientific definition with the everyday use of the terms work, force, energy, and efficiency.

Weight / Mass on Earth

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Springboard

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Bicycle Quiz

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Vector addition - bow

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Work done by a constant force

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Bicycle Gear Ratios

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Quiz Weight and Mass

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Quiz: Electrical installation

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Steam engine

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Principle of the lever

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Electricity consumption

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Spring scale

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Weight and Mass

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Hooke's Law

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