Original Project
Weather and Climate II: Seasonal Differences
Temperature variations in fluids such as air and water lead to currents that circulate the fluid, and this circu…
Item CL137001: When a container of water is warmed over a flame, warmer water at the bottom rises toward the top and the colder water at the top sinks toward the bottom.
Which of the following statements describes what happens when a container of water is warmed over a flame?
- Warmer water at the bottom rises toward the top and the colder water at the top sinks toward the bottom.
- Warmer water rises at the bottom toward the top but colder water at the top does not sink toward the bottom.
- The warmer water at the bottom does not rise. Thermal energy rises through the water, warming the water as it rises.
- The warmer water at the bottom and thermal energy both rise, but they rise separately.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 2108 |
6–8 n = 1014 |
9–12 n = 1084 |
Male n = 1030 |
Female n = 1016 |
English n = 1733 |
Other n = 249 |
|
| A. | 42% | 42% | 42% | 43% | 42% | 42% | 35% |
| B. | 20% | 19% | 21% | 21% | 19% | 19% | 27% |
| C. | 24% | 25% | 24% | 23% | 26% | 25% | 22% |
| D. | 13% | 14% | 13% | 14% | 13% | 14% | 16% |