Earth Science Quiz 51 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What are the two types of Destructive forces?

Correct Answer: B) Weathering / Erosion.

2. The largest among the four subsystems

Correct Answer: B) Geosphere.

3. Equator is a/an ..... line around the Earth midway between the poles. It is 0-degree latitude.

Correct Answer: D) Imaginary.

4. What is the primary means through which the Sun warms Earth?

Correct Answer: D) Transfer of energy by electromagnetic waves.

5. Where is the point at which the first movement occurs during an earthquake?

Correct Answer: B) Focus.

6. The second layer of the earth goes down 1800 miles. It is called the

Correct Answer: D) Mantle.

7. A well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, inferences, and tested hypotheses.

Correct Answer: B) Theory.

8. Which is most directly responsible for building up a river delta?

Correct Answer: C) Subsidence.

9. The second softest mineral according to the Mohs scale of hardness is the

Correct Answer: D) Gypsum.

10. Oceans cover approximately ..... percent of Earth's surface.

Correct Answer: C) 70.

11. Which of the following best suits the definition of a mineral?

Correct Answer: C) Naturally occurring and crystalline.

12. Most of the stars on a Hertzsprung-Russell Diagram fall under which category?

Correct Answer: A) Main-sequence stars.

13. He proposed the Theory of Continental Drift.

Correct Answer: B) Alfred Wegener.

14. A factor in an experiment that can be changed.

Correct Answer: A) Variable.

15. ..... are formed of masses of water droplets and ice crystals.

Correct Answer: C) Clouds.

16. Our universe is one of the many bubbles in a *blank*

Correct Answer: A) Multiverse Theory.

17. Which planet has the largest eccentricity?

Correct Answer: C) Mercury.

18. A piece of copper has a mass of 89g and a volume of 10 cm3. What would be the density of the copper?

Correct Answer: C) 8.9 g/cm3.

19. The Foucault pendulum and the Coriolis effectboth provide evidence of Earth's:

Correct Answer: B) Rotation.

20. Earth scientists study

Correct Answer: B) Oceans.