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bandnerd1
bandnerd1
11.01.2022 • 
Biology

11 Clara tests a hypothesis that the heavier of two materials will insulate cold drinks better than the lighter material. She adds equal volumes of the same cold drink
to two different cup types. One cup type is made of a lightweight plastic foam.
The other cup type is a heavier, ceramic material. Her sample size is five cups of
each material. She records the average of her results in a chart.
Material
Time for liquid to warm to room temperature (hours)
plastic foam
3.25
ceramic
2.50
How are these experimental results valuable to Clara?
A The results explain why the materials perform differently.
B The results do not support her hypothesis so she should form a new one.
C Clara can use a different heavier material to see if she obtains different resu
D The results can be communicated with others through newspapers,
magazines, and the Internet to increase the validity of her results.

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