The Student Room Group

ISA Preparation

'The resistance of a light dependent resistor decreases with increasing light intensity.'

1. Research this hypothesis and explain how you can formulate this hypothesis.
2. research two different methods investigating this hypothesis.
3.evaluate the method.
4.evaluate each source

Methods

Consider the following factors:

>ease of execution
>safety
>if the data produced will be valid
>will it be a fair test.

Can someone please help me. I Don't understand this at all.

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