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Atoms, Molecules, and States of Matter
For any single state of matter, increasing the temperature typically increases the distance between atoms or mol…
Item AM046006: During a hot day in the summer, the spaces between the concrete sections of a sidewalk get narrower because the concrete sections expand.
Most sidewalks are made out of solid concrete sections. There are spaces between the sections. What happens to the spaces during a hot day in the summer and why?
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- The spaces get wider because the concrete sections shrink.
- The spaces get narrower because the concrete sections expand.
- The spaces stay the same because the concrete sections does not shrink or expand.
- Some spaces get wider, some spaces get narrower, and some spaces stay the same because each concrete section behaves differently on a hot summer day.
(Modified from Berkheimer, et al., 1988)
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 3814 |
6–8 n = 2704 |
9–12 n = 1102 |
Male n = 1851 |
Female n = 1921 |
English n = 3426 |
Other n = 354 |
||
| A. | The spaces get wider because the concrete sections shrink. | 14% | 15% | 12% | 14% | 14% | 14% | 12% |
| B. | The spaces get narrower because the concrete sections expand. | 33% | 27% | 47% | 37% | 28% | 33% | 25% |
| C. | The spaces stay the same because the concrete sections does not shrink or expand. | 32% | 34% | 25% | 29% | 35% | 31% | 35% |
| D. | Some spaces get wider, some spaces get narrower, and some spaces stay the same because each concrete section behaves differently on a hot summer day. | 22% | 24% | 16% | 21% | 23% | 21% | 27% |