Class 5 Exam  >  Class 5 Notes  >  Science Class 5  >  Very Short Answer (One Word) Questions: Air and Water

Class 5 Science - Air and Water - Question Answers

Q1: What is the thick layer of air surrounding the Earth called?
Ans:
Atmosphere

Q2: Which layer of the atmosphere is closest to the Earth's surface?
Ans:
Troposphere

Q3: In which layer of the atmosphere do jet airplanes usually fly?
Ans:
Stratosphere

Q4: Which layer of the atmosphere is the coldest?
Ans:
Mesosphere

Q5: Which layer of the atmosphere is directly above the mesosphere?
Ans:
Thermosphere

Q6: What is the outermost layer of the Earth's atmosphere called?
Ans:
Exosphere

Q7: What gas makes up about 78% of the Earth's atmosphere?
Ans:
Nitrogen

Q8: What gas makes up about 21% of the Earth's atmosphere and is essential for living things?
Ans:
Oxygen

Q9: What is the term for substances that make water dirty or unfit for use?
Ans:
Impurities

Q10: How can insoluble impurities in water be removed by allowing them to settle?
Ans:
Sedimentation


Q11: What process involves passing liquid through a filter paper to remove impurities?
Ans:
Filtration

Q12: What is the process of heating water to kill germs and purify it called?
Ans:
Boiling

Q13: What is the method of adding chlorine to water to purify it?
Ans:
Chlorination

Q14: Which layer of the atmosphere is directly below the exosphere?
Ans:
Thermosphere

Q15: What is the term for water that is found in all three states of matter—solid, liquid, and gas?
Ans:
Universal solvent

The document Class 5 Science - Air and Water - Question Answers is a part of the Class 5 Course Science Class 5.
All you need of Class 5 at this link: Class 5
43 videos|198 docs|45 tests

Top Courses for Class 5

43 videos|198 docs|45 tests
Download as PDF
Explore Courses for Class 5 exam

Top Courses for Class 5

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Important questions

,

Sample Paper

,

mock tests for examination

,

Semester Notes

,

shortcuts and tricks

,

MCQs

,

Previous Year Questions with Solutions

,

video lectures

,

study material

,

Class 5 Science - Air and Water - Question Answers

,

Class 5 Science - Air and Water - Question Answers

,

past year papers

,

Exam

,

practice quizzes

,

Objective type Questions

,

ppt

,

Class 5 Science - Air and Water - Question Answers

,

Extra Questions

,

Viva Questions

,

Summary

,

Free

,

pdf

;