General questions/prompts:
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What do you think this graph shows us?
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What does this graph make you wonder?
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Does any part of this graph surprise you?
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How would you describe the relationship between the different variables involved?
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What title would you give this graph?
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Can you think of any further questions or future investigations? How would you go about getting the data you need for answers?
Specific questions/prompts:
Image 1: Graph of incidence of brain cancer over time against cell phone subscriptions over time
What conclusion might someone draw from this graph?
How might someone argue against that conclusion above? (Think about delay)
Image 2: A PET scan shows activation in the part of the brain nearest a cell phone antenna when the phone is turned on (left) and off (right).
Does this image concern you?
What kind of extra information should you look for before making any conclusions?
More information: