Page 14 - 新思维科学活动用书9 样章
P. 14
1.2 More about photosynthesis
5 Draw a bar chart to display Sofia’s results.
Put ‘number of grains of fertiliser’ on the horizontal axis.
Put ‘number of plants at end of experiment’ on the vertical axis.
Sofia says:
From my experiment, I conclude
that duckweed plants grow and
reproduce faster if they have extra
nitrate fertiliser. But too much nitrate
fertiliser stops them growing and
reproducing.
13