| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.53 |
| Score | 0% | 71% |
Which of the following is not a terrestrial planet?
Mercury |
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Venus |
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Jupiter |
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Earth |
The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.
Which of the following states of matter exists at the highest temperature?
solid |
|
gas |
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liquid |
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none of these |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
stabilize, raise |
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decrease, raise |
|
raise, decrease |
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decrease, stabilize |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
What type of cloud is responsible for fog?
cumulonimbus |
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stratus |
|
cirrus |
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cumulus |
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.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
stratus clouds |
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cirrus clouds |
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cumulus clouds |
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nimbus 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.