| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.42 |
| Score | 0% | 68% |
What type of cloud is responsible for fog?
cumulus |
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cirrus |
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stratus |
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cumulonimbus |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
Which of the following is the formula for power?
\(P = \vec{w}t\) |
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\(P = {w \over t}\) |
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\(P = {\vec{w} \over t}\) |
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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).
The number system most used in science is the:
American system |
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metric system |
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British system |
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English system |
The metric system is a number system that designates one base unit for each type of measurement. For example, the base unit for length is the meter and the base unit for mass is the gram.
Which of the following is not one of the outer planets?
Jupiter |
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Venus |
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Neptune |
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Uranus |
In contrast to the solid terrestrial planets, the outer planets (Jupiter, Saturn, Uranus, and Neptune) consist of hydrogen and helium gas and water.
Which is the proper order of Earth's atmospheric layers from the surface up to space?
mesosphere, thermosphere, stratosphere, troposphere |
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stratosphere, troposphere, mesosphere, thermosphere |
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thermosphere, mesosphere, stratosphere, troposphere |
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troposphere, stratosphere, mesosphere, thermosphere |
The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.