Curriculum
Course: HIA International — Grade 8
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Curriculum

HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

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Unit 2: Properties of materials

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Unit 3: Forces and energy

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Unit 4: Maintaining life

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Unit 5: Reactivity

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Unit 6: Sound and space

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Unit 7: Genes and inheritance

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Unit 8: Rates of reaction

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Unit 9: Electricity

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Quiz

9.1 Parallel Circuits — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the parallel circuit diagram with two identical bulbs connected across separate parallel branches. What happens if one bulb is unscrewed or blows?
Dr Dabour Hub Academy - figure 1
The other bulb stays lit with unchanged brightness because current still has a complete independent circuit path
The entire circuit immediately powers down
The remaining bulb instantly burns out
The battery reverses polarity
Part of Unit 9: Electricity — see every lesson and quiz in this unit.
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