| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.55 |
| Score | 0% | 71% |
The four planets closest to the Sun are called terrestrial. What does terrestrial mean?
the planets have magnetic fields |
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the planets are Earth-like |
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the planets have moons |
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the planets have water |
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.
In the food chain, consumers are classified as which of the following?
secondary |
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tertiary |
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primary |
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all of these |
Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.
The gravitational interaction of Earth and the Moon is responsible for which of these?
tides |
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day and night cycle |
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the northern lights |
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seasons |
Tides are caused by the gravitational interaction of Earth and the Moon.
Which of the following is not a terrestrial planet?
Earth |
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Jupiter |
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Venus |
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Mercury |
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.
In the metric system, what prefix represents 10-3?
centi |
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mega |
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kilo |
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milli |
In the metric system, milli is the prefix for 10-3.