Main content
Primary Focus Science Clips
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The forces involved in some magic tricks
Duration: 01:45
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Levers, compression and pneumatic force
Duration: 02:33
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What is air resistance?
Duration: 02:52
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How does friction work as a force?
Duration: 02:30
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Why do Brent Geese come to Strangford Lough in Northern Ireland?
Duration: 02:54
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How does friction affect speed?
Duration: 01:37
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Science challenge - testing knowledge of forces
Duration: 03:56