Misconception AMM086:

The number of atoms or molecules of a substance increases when the temperature increases and decreases when the temperature decreases (Herrmann-Abell & DeBoer, 2008).

Items that test for misconception AMM086 in this key idea (For any single state of matter, inc…)
Item ID
Number

Item Description

How Often the Misconception was Chosen

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AM049003

The distance between water molecules increases when a cup of cold water warms up to room temperature.

20%

AM039004

The distance between water molecules increases as a cup of water is warmed.

20%

AM052004

When an iron frying pan heats up, the distance between the iron atoms increases, so the pan gets a tiny bit larger.

14%