UNIT G: EXPLORING THE SOLAR SYSTEM TEST REVIEW

Vocabulary

Satellite

Spacecraft

Space exploration

Telescope

Astronomy

Astronomer

Comet

Planet

Star

Gravitational Force

Topographical Map

Gravity

Galaxy

Solar System

Asteroid

Dwarf Planet

Meteor

Astronomical Unit

Nuclear Fusion

Nuclear Reaction

Remote Sensing

Weight

Piloted

Multiple Choice Questions:

1. Which of the following have NOT been done by humans?

Humans have NOT ______.

2. Which of the following statements about the Sun is TRUE?

The Sun is ______.

3. Which of the following is NOT orbiting another space object in the Solar

System?

4. Why do astronauts in orbit feel weightless?

5. Which of the following is NOT an example of remote sensing?

6. Which of the following statements about Earth and the other planets is TRUE?

7. When the planet Uranus was discovered in 1781, it was the first discovery of a planet since ancient times. Why did it take so long to discover Uranus?

Uranus ______.

8. What is the Solar System made of?

9. If a spacecraft travels from Earth to the edge of the Solar System, what will happen to the gravitational pull between Earth and the spacecraft?

The gravitational pull between Earth and the spacecraft will ______.

10. Where does most of the energy for life and other phenomena at Earth's

surface come from?

11. Which of the following holds us to Earth's surface?

Extended Response Questions:

12. a. Give two examples of other planets that have a rocky, mountainous surface like Earth's. (2 points)

b. Give two examples of planets that do not have a rocky, mountainous surface. (2 points)

13. How has the invention and improvement of the telescope helped

astronomers? Explain and give an example. (2 points)

14. Why is sending a human to Pluto not possible with today's technology? Give

at least one major reason. (2 points)

15. Jupiter's largest moon is bigger than the planet Mercury. What characteristic

leads scientists to classify an object as a moon instead of as a planet? (2

points)

16. Consider the following diagram of the Solar System.

a. What is CORRECT about the diagram? Consider sizes, order, distances and completeness of space objects in the diagram. Explain exactly how it is CORRECT. (2 points)

b. What is INCORRECT about the diagram? Consider sizes, order, distances, and completeness of space objects in the diagram. Explain exactly how it is INCORRECT. (2 points)

Base your answers to Question 19 on the information in the table below.

Planet / Mass
A / 1
B / 10
C / 50

17. Planets A, B and C all have the same diameter. On which planet's surface are you most likely to weigh more than you do on Planet 8? Explain your reasoning. (3 points)