Sure-Learning: Smart Learning and online Tuition Service

Your Child Deserve A Smart Guidance

infosurelearning@gmail.com

Enhance your Skills with Online Quiz Practice

Start Testing Your Skills

21. What is the main purpose of the Earth's atmosphere?
a. To trap heat from the sun
b. To protect against meteoroids
c. To provide oxygen for living organisms
d. All of the above
Answer: d. All of the above

22. What is the layer of the atmosphere where the International Space Station (ISS) is located?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
Answer: d. Thermosphere

23. Which gas is essential for the process of respiration in living organisms?
a. Nitrogen
b. Oxygen
c. Carbon dioxide
d. Hydrogen
Answer: b. Oxygen

24. What is the primary source of energy for the water cycle?
a. Wind
b. Sun
c. Rain
d. Rivers
Answer: b. Sun

25. What is the process of water falling from the atmosphere to the Earth's surface?
a. Evaporation
b. Condensation
c. Precipitation
d. Transpiration
Answer: c. Precipitation

26. Which gas is responsible for the blue color of the sky?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Water vapor
Answer: b. Nitrogen

27. What is the layer of the atmosphere where meteors burn up upon entering Earth's atmosphere?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
Answer: c. Mesosphere

28. What is the instrument used to measure wind speed?
a. Thermometer
b. Barometer
c. Hydrometer
d. Anemometer
Answer: d. Anemometer

29. Which layer of the atmosphere is known for containing the Northern Lights (Aurora Borealis)?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
Answer: d. Thermosphere

30. What is the process of water changing into water vapor called?
a. Evaporation
b. Condensation
c. Precipitation
d. Transpiration
Answer: a. Evaporation

Continue Next Page..

Recently Asked Questions

Learn New Vocabulary

Word: wrangle

Meaning: quarrel noisily, angrily, or disruptively

Sentences: Here were many fierce and bitter wrangles over vexed questions, turbulent scenes, displays of sectional feelings.Raymond, Evelyn

Facts of Science

Do you know ?

Fact: The Great Wall of China is not visible from the Moon with the naked eye.

Facts of Digital World

Do you know about E-commerce Growth ?

E-commerce sales are expected to surpass $4.2 trillion by 2022.