Quiz: Earth’s Motions



Review Earth’s Motions Name ___________________

Earth & Space Science Date ______ Class ________

Directions: Complete all your work on this sheet in the space provided. Make sure that you answer all part to every question.

1. The movement of Earth around the sun once a year is called Earth’s…

a. Inertia

b. Rotation

c. Revolution

d. Axis

2.

3. T / F Earth spinning on its axis is called rotation.

4. The imaginary line that cuts through Earth’s center connecting the north and south poles is the Earth’s …

a. Prime Meridian

b. Equator

c. Axis

d. Finish Line

5. The Earth wobbles on it axis once every 26,000 years; this wobble is referred to as the Earth’s ____________________.

6. A _____________ day is the time it takes Earths to rotate from the perspective point of the sun. This time takes exactly 24 hours.

7. Draw a picture of the shape of the Earth? Then explain why it is shaped that way. You may use your diagram to aid in your explanation.

8. Explain how the Earths rotation causing us to have night and day.

9. Explain how the length of the day and year are related to Earth’s movement through space?

10. Explain how you can determine that Earth rotates using a pendulum? (You must explain the process that takes place as the pendulum swings freely).

11. How fast does the Earth rotate if the circumference at Earth’s equator is 40,000 km (HINT: Speed = Distance ( Time)?

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