Page 69 - 新思维科学学生用书7 样章
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2   Materials and their structure




                    Project: What’s in the parcel?

                    Imagine you are given a parcel. You’ve been told
                    you cannot open it for a few days. But you’re

                    desperate to know what’s inside!
                    What would you do?
                    •     How could you get some information about
                          what is inside?

                    •     What sort of things could you find out?
                    •     What sort of things could not be found out
                          without looking inside?
                    Each group will be given a parcel with a number

                    on it.
                    1     Your group has a few minutes to find out
                          as much as they can about what is in the
                          parcel, but you must not open the parcel.

                    2     Discuss ideas in your group and try to give
                          reasons for your ideas.
                    3     Write down your ideas on a piece of paper
                          or a sticky note.

                    4     Swap parcels with another group. Repeat
                          steps 1 and 2. Write your ideas on a new piece of paper or sticky note.
                    5     Repeat until you have tried to discover what is inside all the parcels.
                    When all the groups have examined all the parcels, work together as a class to create

                    a poster about how you carried out the investigation.

                    Each group will share their ideas, with reasons on each parcel, with the whole class.
                    By discussing this with all the other groups the class can work together to reach some
                    conclusions for each parcel.

                    This is how scientists work. They cannot always see or touch what they are
                    investigating. Scientists have to use the information that is available to come with

                    ideas.
















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