| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.12 |
| Score | 0% | 62% |
Meteoroids, meteors and meteorites are categorized based on which of the following?
their temperature |
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their location |
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their size |
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their density |
Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.
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.
Secondary consumers that also eat producers are known as:
scavengers |
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herbivores |
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omnivores |
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carnivores |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
Herbivores are __________ that subsist on producers like plants and fungus.
secondary consumers |
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tertiary consumers |
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primary consumers |
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scavengers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
all-altitude |
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mid-altitude |
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low-altitude |
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high-altitude |
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.