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Mini-Quiz: Heat Transfer on Earth

by Ron Kurtus

Take this Mini-Quiz to check your understanding of the lesson material.

1. How can you tell that the effect of heat from the core is not significant?

It is significant and the only source of heat on the Earth

The temperature of the Earth's core is only 75°

The Earth gets cold during the winter months

2. Why is radiation from the Earth a greater factor in heating air than radiation from the Sun?

Long wavelength infrared from the Earth is absorbed by air more than visible light from the Sun

The Earth does not heat air through radiation but only through convection

Visible light from the Earth is closer to the air and thus heats it better

3. Could a large volcano eruption stop global warming?

Yes, because the excess dust in the air could compensate for the excess of infrared-absorbing gasses

It depends if the eruption came in the winter or the summer

No, because a volcano eruption would only increase global warming due to the heat of the eruption

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Understanding science is amazing

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