here’s a load of resources for 8a. some are projectable for use in classrooms. this one is particularly good.

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here’s a load of revision resources for 7l (solar system and beyond). there are 16 resources available plus a load of projectable classroom activities for teachers to use.

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here’s a flash oscilloscope for showing sound waves. this one actually works properly! use it in unit 8l (sound and hearing).
instructions:
press ’start’ button
turn cro on with the red power button
drag any cable from the bottom to ch 1
adjust amplitude by adjusting voltage.
you can overlay displays by adding another cable to ch 2.

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try this photosynthesis animation for pupil revision or for teachers on your white board.

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here’s a few animated flash files to show how titration works. there are three examples:
titration demo
weak acid strong base
strong acid weak base
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here’s a couple of links to help with this topic. first is a projectable simulation of what happens when sodium, zinc and magnesium react with an acid. it also includes the test for hydrogen + a brief summary test. click where it says ‘launch sim’.
the second is a short video clip showing what happens when a small piece of sodium is dropped into both dilute and concentrated solutions of hydrochloric acid and nitric acid. note that there is no sound or narration. you can see that this is an extremely hazardous demonstration that is generally not performed in uk schools.
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learn how to carry out food tests.
for teachers, you could project this on your whiteboard and use the quiz at the end as a plenary.
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some great stuff here (skoool.co.uk) for both pupils and teachers. well worth a look, good for starters and plenaries and especially good for interactive revision.
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