| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.50 |
| Score | 0% | 70% |
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mars and Jupiter |
|
Mars and Earth |
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Jupiter and Saturn |
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Mercury and Venus |
The solar system also contains over a million rocky fragments of at least 1km in diameter called asteroids as well as millions more with smaller diameters. Many of these asteroids are an asteroid belt between the orbits of Mars and Jupiter.
Large, puffy, mid-altitude clouds with a flat base and a rounded top describe which of the following?
fog |
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cirrus clouds |
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stratus clouds |
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cumulus 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.
This skeletal system is common in arthropods like insects, spiders, and crustaceans.
endoskeleton |
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bone |
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exoskeleton |
|
vertebrate |
An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.
What kind of weather front is likely to create clouds and storms?
stationary front |
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cold front |
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temperate front |
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warm front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
Work is measured in:
watts |
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horsepower |
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amps |
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joules or newton-meters |
Work is performed on an object when an applied force causes displacement along the same vector. Measured in joules (J) or newton-meters (Nm), work is calculated by multiplying force times displacement: \(W = \vec{F}\vec{d}\)