School physics

This collection of resources look at many different investigations that can be undertaken with A-level students and covers many required practical pieces of work, alongside other activities which offer alternatives to commonly used work.  Lots build on the work students will have done lower down in school and cover lots of apparatus and technique skills too.

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Stress investigation: polarised light

This investigation looks at seeing the stress concentrations in a variety of objects using polarised light.  It would work well when looking at material properties and uses basic equipment.

Surface tension: capillary rise

The aim of this investigation is observing the capillary rise of water in capillary tubes and extending this to determine the surface tension of water.  This will test students measuring skills and get them to discuss errors in measurements too.

Temperature coefficient of resistance

Using a sample of iron wire you measure the temperature coefficient of resistance. By plotting a graph of temperature against resistance you will then be able to determine the temperature coefficient. This can be using a Wheatstone Bridge, or a digital ohm meter if preferred.

Thermocouple

This experiment allows you to investigate the boiling point of brine and the melting point of lead using a potentiometer arrangement. An alternative approach using digital voltmeters is also included at the bottom of the sheet.

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