Quiz 7

Question 1

The theory that is thought to best explain the origin of the solar system is called:

Answer 1

The solar nebular hypothesis (or just nebular hypothesis).

Question 2

The planets of the solar system can be divided into two broad categories. They are:

Answer 2

Planets made of rock, and planets made of gas (liquid).

Question 3

The age of the solar system is approximately:

Answer 3

4.5 billion years.

Question 4

If the portion of a surface of a planet has lots of craters, then that surface must be:

Answer 4

Old.

Question 5

What are the three parts of the Earth’s interior?

Answer 5

• Inner core.
• Outer core.
• Mantle.

Question 6

Plants take in carbon dioxide and release oxygen through a process known as:

Answer 6

Photosynthesis.

Question 7

What theory best explains the origin of the moon?

Answer 7

The large impact hypothesis.

Question 8

How does the atmosphere of Venus compare to the atmosphere of the Earth?

Answer 8

The atmosphere on Venus is thicker than the atmosphere of the Earth.

Question 9

Hydrogen under high pressure in the interiors of both Jupiter and Saturn transform into a material that is very conductive of electricity and produces the magnetic fields of those worlds. This material is called:

Answer 9

Liquid metallic hydrogen.

Question 10

A moon of Jupiter called Io movies in an elliptical orbit about the planet causing the moon to be flexed and heating it up enough to produce volcanoes. What is the name of this process?

Answer 10

Tidal heating.