Does the Type of Surface Affect Sliding
Distance?
Identifying Components of CER
Use the following information to answer
the question about Claim, Evidence, and
Reasoning.
Experiment:
A coin is slid across four different surfaces
at the same speed. The distance it travels
across each one before coming to a stop
is measured and recorded.
Data Table:
Surface
Ice
Dirt
Concrete
Gravel
Distance
traveled
(inches)
103
14
9
1
Which of the following would
be a CLAIM statement for a
CER?
A. The type of surface does NOT affect how
far the coin slides.
B. The type of surface affects how far the
coin slides.
C. How far the coin slides affects the type
of surface it is on.