CLEAN : Kerry in Geneva for Iran nuclear talks

What do you think the instruction 'Look up' implies in a learning context?

In what situations might someone be instructed to 'look up' something?

How can the phrase 'look up' be interpreted differently in various subjects or fields?

What resources might you use when you are told to 'look up' information?

Can you provide an example of a time when you had to 'look up' something? What was the outcome?