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Physics: units

Physical units — N, J, W, V & Co. in a quiz.

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📖 Lessons

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Lesson 1: Force and gravity

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Lesson 2: Electricity and circuits

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Lesson 3: Light and sound

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Lesson 4: Energy: types and conversions

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Lesson 5: Simple machines: physics tricks

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Lesson 6: Electricity: current, voltage, circuits

grade 7–9

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Lesson 7: Forces: Newton and three laws

grade 6–8

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Lesson 8: Energy and light

grade 7–9

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Learn physics online: physical units and quantities — newton, joule, watt, volt — in a free school quiz.

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Physics: units

📖 Lessons

🗓 Daily challenge

🏆 Top of the week

🃏 Flashcards

🎯 Quiz — pick the translation

❓ FAQ