| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.44 |
| Score | 0% | 69% |
An element in the physical state of __________ maintains a constant volume but their shape depends upon the shape of their container.
plasma |
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liquid |
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solid |
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gas |
In the liquid state, molecules flow freely around each other and exist at a higher temperature range than the same substance in a solid state. Liquids maintain a constant volume but their shape depends upon the shape of their container.
The crust and upper mantle of the earth is called the:
atmosphere |
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hydrosphere |
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lithosphere |
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geosphere |
The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).
Which of the following is not true about simple magnets?
same poles repel each other |
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opposite poles repel each other |
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opposite poles attract each other |
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all of these are untrue |
Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.
The gravitational interaction of Earth and the Moon is responsible for which of these?
the northern lights |
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seasons |
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day and night cycle |
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tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
Secondary consumers that also eat producers are known as:
scavengers |
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omnivores |
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herbivores |
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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.