Page 72 - 新思维科学学生用书7 样章
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2 Materials and their structure
b Draw a line of best fit through the points you have plotted. [1]
c Which reading does not fit the pattern? [1]
d Suggest a reason for this. [1]
e What happens to the temperature between 5 and 8 minutes? [1]
f Explain why this happens. [1]
2.7 The diagrams in the boxes show different arrangements of particles,
where each colour represents a different atom.
A B C D
A B C D
Give the letter of the diagram that represents:
a particles of a compound [1]
b particles of an element [1]
c atoms of a mixture [1]
d atoms of an element. [1]
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