Curriculum
Course: HIA International — Grade 6
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Curriculum

HIA International — Grade 6

Unit 1: Cells and organisms

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Unit 2: States of matter, atoms and compounds

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Unit 3: The Solar System and energy

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Unit 4: Living organisms and classification

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Unit 5: Metals, non-metals, acids and alkalis

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Unit 6: Sound, the Earth and eclipses

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Unit 7: Microorganisms and food webs

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Unit 8: Chemical reactions

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Unit 9: Electricity and circuits

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Quiz

6.1 Sound waves — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the diagram showing sound passing through air as compressions and rarefactions. What kind of wave is a sound wave?
Dr Dabour Hub Academy - figure 1
A longitudinal wave where air particles oscillate parallel to the direction of energy propagation
A transverse wave like light where vibrations are perpendicular
An electromagnetic wave that travels freely through a total vacuum
A stationary circle that does not move
Part of Unit 6: Sound, the Earth and eclipses — see every lesson and quiz in this unit.
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