(1)
Allow 1 credit for marking appropriate scales on the two axes (Both
scales must be
correct for full credit.)(2)
Allow 1 credit for plotting the data accurately (according to its dependent/independent
variables) and connecting the points. Example of an appropriate graph:
(3) -2
(4) Allow 1 credit for stating one effect of increasing the intensity and duration of exposure
to light on the production of oxygen by duckweed plant!. Appropriate responses include,
but are not limited to:
-The production of oxygen would increase
(5) Allow 1 credit for a correct conclusion that can be drawn from the chart concerning the
relationship between the age of the mother and the chance of having a child with Down
syndrome. Appropriate responses include, but are not limited to:
-The older the mother, the greater the chance of her ha\ ing a child with Down
syndrome.
(6) 1
(7) Allow 1 credit for labeling the x-axis correctly and indicating the units
(e.g., Temperature (oC) ).
(8) Allow 1 credit for marking an appropriate scale on both axes.
(10) 3
(11) 1
(12) 2
(13) The student should state two reasons that someone should
question
the claims made in the
advertisement. Allow 1 credit for each
correct
statement up to a maximum of 2 credits.
-do not know what the people ate along with taking the pill
-do not know if the people were truthful
-do not know how many people were in the study
-ten people too few for making a valid conclusion
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