| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.22 |
| Score | 0% | 64% |
Which of the following is the formula for power?
\(P = {\vec{w} \over t}\) |
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\(P = {w \over t}\) |
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\(P = \vec{w}t\) |
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\(P = w t\) |
Power is the rate at which work is performed or work per unit time: \(P = {w \over t}\) and is measured in watts (W).
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
plants |
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minerals |
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animals |
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habitats |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
When two air masses meet and neither is displaced, what kind of front is present?
occluded |
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warm |
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cold |
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stationary |
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.
Which is the proper order of Earth's atmospheric layers from the surface up to space?
thermosphere, mesosphere, stratosphere, troposphere |
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troposphere, stratosphere, mesosphere, thermosphere |
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mesosphere, thermosphere, stratosphere, troposphere |
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stratosphere, troposphere, mesosphere, thermosphere |
The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.
Large, puffy, mid-altitude clouds with a flat base and a rounded top describe which of the following?
cumulus clouds |
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stratus clouds |
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fog |
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cirrus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.