PRE TEST-ELS

1. Why is Earth called “the living planet?”

• A. It sustains life.

• C. It has water at the surface

• B. It has atmosphere

• D. All of the above

2. Planet Earth is uniquely different from other planets because __________.

• A. It has people that live in it.

• B. It has soil where trees grow.

• C. It has trees that provide oxygen.

• D. It has liquid water in the surface.

3. What makes planet Earth habitable?

• A. It has comfortable distance from the sun.

• B. The atmosphere serves as shields from the sun.

• C. Only A

• D. Both A and B

4. Why is Earth called the “living planet?”

• A. It has life mechanism.

• B. It has water and atmosphere.

• C. It has carbon dioxide in the atmosphere.

• D. It has atmosphere that supports oxygen.

5. Which must be provided for an organism to survive in planet Earth?

• A. right amount of sunlight and atmosphere

• B. right amount of water and carbon

• C. Only A

• D. Both A and B

6. Planet Earth is considered as “blue planet.” Which of the following best describes the surface of planet Earth?

• A. Earth has atmosphere.

• B. Earth has lots of volcano.

• C. Earth is covered with red dust.

• D. Earth has mostly water on the surface.

7. What is the reason why Earth is different from other planets in the solar system?

• A. Earth is mostly covered in water.

• B. Earth has comfortable distance from the sun.

• C. Earth has carbon dioxide on its atmosphere.

• D. It has approximately same size as that of Venus.

8. Which of the following best describes planet Earth?

• A. It has gases.

• B. It supports life.

• C. It has rocky core.

• D. It supports other planet.

9. It was found out that Earth’s surface is covered with water. Approximately, how many percent of water comprises the Earth?

• A. 45% water

• B. 50% water

• C. 60% water

• D. 70% water

10. 10. Earth can support the survival of organisms. What is/are the factor/s that make/s Earth habitable?

I. atmosphere III. temperature II. energy IV. nutrient

• A. I

• B. I, II

• C. I, II, III

• D. I, II, III, IV