Exam 8: The Terrestrial Planets and Earths Moon

The American and African/European continents are now separated by the Atlantic Ocean, which is approximately 4,000 km wide. Assuming a continental drift rate of 2 cm/year, how long has it been since they were one land mass?

What would you study in order to determine the timescale on which the Earth's magnetic field reverses direction?

Figure 3 -Which layer in Figure 3 represents the Earth's liquid core?

The Mars rovers named Spirit and Opportunity found evidence in the chemical makeup of the rocks that proves Mars had liquid water on its surface in the past.

The Moon has a diameter that is approximately one-fourth that of Earth. If these objects' interiors are heated by radioactive decays, and the total amount of energy in decays is proportional to the object's volume, then how does the amount of heat the Moon has compare to that of Earth?

Which of the following are NOT sites of frequent volcanic and earthquake activity on Earth?

On Mars, water ice is present primarily at its polar ice caps.

The fact that Earth's interior is differentiated suggests that:

Figure 1 -Which picture in Figure 1 illustrates an example of volcanism occurring on Earth?

If the Himalaya mountain range is presently 8,000 meters in height and is rising at a rate of 0.5 meters per century because of the convergence of two continental plates, how long did it take to create this mountain range?

Mars, Venus, and Earth are much less heavily cratered than Mercury and the Moon. This is explained by the fact that:

Which of the following is NOT a factor that helps explain Earth's lack of craters compared to the Moon?

To survive passage through the Earth's atmosphere without burning or breaking up before it hits the ground, an asteroid must be:

The feature on Mars shown in the figure below is _________ named _________.

Figure 1 -Which picture in Figure 1 is an example of impacts occurring on Earth?

Figure 4 -The large feature spanning the surface of Mars in Figure 4 is _________ and probably was created by _________.

Figure 2 -Which of these three lunar surfaces shown in Figure 2 is the oldest?

Which is NOT a reason that we suspect that the extinction of the dinosaurs was caused by a large impact by a large object?

Examine the figure below that shows the continental plates of the Earth and the locations of volcanoes and earthquakes. Which statement is FALSE?

If there is water on Mars today, where is it likely to be? Name two separate pieces of evidence we have that Mars once had flowing water on its surface and how this evidence was obtained.