Exam 6: Earth and Its Moon: Our Cosmic Backyard

Name the three principal divisions of the structure of the Earth's interior and the chemical composition of each.

Most lunar craters are volcanic in origin.

When strong solar winds are displaced poleward by our magnetic fields, we get

Of the six layers of Earth, which is unique among the planets? Why?

The greenhouse effect always results in a(n) surface temperature.

Which of these is NOT a result of plate tectonics?

Our molten core is believed to consist primarily of the element .

The spring tide can occur at either _ or phases of the Moon.

Why does the Earth's atmosphere contain much more nitrogen than hydrogen?

Dominating the lunar _, craters are the result of asteroid and comet impacts.

The hypothesis is now the most popular to explain the Moon's origin.

The ozone layer lies above the troposphere and below the mesosphere.

Which plates are causing the formation of the Andes mountains in western South America? Describe their motions.

We determine the structure of the Earth's core using

Weather occurs in the troposphere.

The presence of a magnetic field is a good indication that

What surface region of the Moon is oldest? How do we know this?

After the Lunar Reconnaissance Orbiter (LRO) crashed into the moon, its sister spacecraft LCROSS detected an amount of water in the ejecta

The critical part of the atmosphere for protecting life on the ground from excessive ultraviolet radiation is the

The neap tide can occur at the or _ phases of the Moon.