Earth Science Quiz 26 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The study of the origin, history, processes, and structure of the solid Earth

Correct Answer: B) Geology.

2. The most important safety rule is .....

Correct Answer: D) Always follow your teacher's instructions & textbook directions exactly.

3. Which type of rock results from melting and cooling of magma?

Correct Answer: A) Igneous.

4. What are clouds made of?

Correct Answer: B) Tiny droplets or frozen crystals of water.

5. ..... is the color of powdered mineral.

Correct Answer: B) Streak.

6. The way rocks are broken down into smaller pieces

Correct Answer: D) Weathering.

7. What do scientists believe best describes the Earth's outer core?

Correct Answer: B) Liquid.

8. Using the senses of sight, touch, taste, hearing, and smell to gather information is called .....

Correct Answer: C) Observation.

9. The prevailing southwesterlies wind belt causes most low-pressure weather systems to travel across the United States from the

Correct Answer: A) Southwest toward the northeast.

10. Hours is equivalent to

Correct Answer: A) Day.

11. Tropic of Capricorn is an imaginary line ..... degree south of equator.

Correct Answer: A) 23 1/2.

12. Harry Hess found that the ocean floor was ..... the farther it was from the mid-ocean ridge.

Correct Answer: A) Older.

13. If its ..... in the Northern hemisphere, then its summer in the Southern hemisphere.

Correct Answer: D) Winter.

14. Scientific theories are based on

Correct Answer: C) Large amounts of data collected over time.

15. Liquid changed into a gas

Correct Answer: D) Evaporation.

16. The study of Earth's atmosphere, especially weather and climate

Correct Answer: A) Meteorology.

17. Study of Earth and its neighbor in space

Correct Answer: D) Earth Science.

18. Wind speeds in tornadoes may reach ..... miles per hour.

Correct Answer: D) 380.

19. Which branch of Earth Science includes the study of stars, planets and galaxies?

Correct Answer: C) Astronomy.

20. There has 15 major tectonic plates in the present, and it consist of:

Correct Answer: D) 7 primary plates & 8 secondary plates.