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Homework exercises on the Earth and Moon for a Physical Science course. Also refer to physics, science, space, stars, planets, moon, universe, telescope, tides, education, distance learning, Ron Kurtus, School for Champions. Copyright © Restrictions

The Earth and Moon -
 Homework Answers

After you have completed the Earth and Moon Homework, you can refer to these answers. Although it is better to have known the answer from your reading, the process of writing the correct answer on your homework sheet will help you remember the concepts.

1. What is the approximate shape of the Earth? How has that shape been proven?

Round like a ball that is somewhat flattened on the top and bottom. This was verified by pictures taken from Space.

2. What causes the Sun to come up in the morning?

The Earth's rotation makes it appear that the Sun rises..

3. Why isn't using the movement of the Sun a good way to tell time?

It is not accurate since the length of days varies. Also, you can't tell time at night or when it is cloudy..

4. How many time zones are there in the continental United States?

4.

5. What causes the different seasons on the Earth?

The tilt of the Earth results in different angles of the Sun and different lengths of days at the various times of the year..

6. Where does daylight last more than 24 hours? When does this happen?

Above the Arctic Circle during the summer and below the Antarctic Circle during its summer.

7. What causes the different phases of the Moon?

The relative angle of the sunlight that we see striking the face of the Moon.

8. What is an eclipse of the Moon?

The shadow of the Earth blocks sunlight from the Moon..

9. What is an eclipse of the Sun?

The Moon blocks sunlight on the surface of the Earth.

10. What causes the tides on Earth?

The gravitational pull of the Moon.

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