| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.32 |
| Score | 0% | 66% |
An air mass is a large body of air that has which of the following characteristics?
all of these |
|
similar moisture |
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similar temperature |
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similar density |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
stomach |
|
small intestine |
|
large intestine |
|
mouth |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The gravitational interaction of Earth and the Moon is responsible for which of these?
tides |
|
day and night cycle |
|
seasons |
|
the northern lights |
Tides are caused by the gravitational interaction of Earth and the Moon.
Which of the following states of matter exists at the highest temperature?
gas |
|
liquid |
|
none of these |
|
solid |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
During the water cycle, water enters the atmosphere as a gas through which process?
transpiration |
|
both evaporation and transpiration |
|
evaporation |
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precipitation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.