Check the below Online Education NCERT MCQ Questions for Class 7 Science Chapter 4 Heat with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Heat Class 7 Science MCQs Questions with Answers to help students understand the concept very well. https://ncertmcq.com/mcq-questions-for-class-7-science-with-answers/
You can refer to NCERT Solutions for Class 7 Science Chapter 4 Heat to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Online Education for Heat Class 7 MCQs Questions with Answers
Choose the correct answer:
Class 7 Science Chapter 4 MCQ Question 1.
Which one of the following is a reliable measure?
(a) Hotness
(b) Coldness
(c) Temperature
(d) None of these
Answer
Answer: (c) Temperature
MCQ Questions For Class 7 Science Chapter 4 Question 2.
Name the device which is used to measure the hotness or coldness of an object.
(a) Picometer
(b) Barometer
(c) Manometer
(d) Thermometer
Answer
Answer: (d) Thermometer
Ncert Class 7 Science Chapter 4 MCQ Question 3.
Which one is filled in the bulb of a thermometer?
(a) Mercury
(b) Lead
(c) Copper
(d) Silver
Answer
Answer: (a) Mercury
Class 7 Science Ch 4 MCQ Question 4.
What is the normal temperature of a healthy person?
(a) 37°C
(b) 37°F
(c) 37 K
(d) None of these
Answer
Answer: (a) 37°C
Heat Class 7 MCQ With Answers Question 5.
Heat always flows
(a) from a colder object to a hotter object
(b) from a hotter object to a colder object
(c) in both the directions
(d) heat never flows from one object to other
Answer
Answer: (b) from a hotter object to a colder object
MCQ Questions For Class 7 Science With Answers Chapter 4 Question 6.
Conduction is the method of transfer of heat in
(a) liquids
(b) solids
(c) gases
(d) vacuum
Answer
Answer: (b) solids
Class 7 Chapter 4 Science MCQ Question 7.
Heat from the sun reaches to us by
(a) radiation
(b) conduction
(c) convection
(d) all of these
Answer
Answer: (a) radiation
Class 7th Science Chapter 4 MCQ Question 8.
A beggar wrapped himself with a few layers of newspaper on a cold winter night. This helped him to keep himself warm because:
(a) friction between the layers of newspaper produces heat.
(b) air trapped between the layers of newspaper is a bad conductor of heat.
(c) newspaper is a conductor of heat.
(d) newspaper is at a higher temperature than the temperature of the surroundiong.
Answer
Answer: (b) air trapped between the layers of newspaper is a bad conductor of heat.
Science Class 7 Chapter 4 MCQ Question 9.
A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile:
(a) is a better conductor of heat than the wooden tile.
(b) is polished while wooden tile is not polished.
(c) reflects more heat than wooden tile.
(d) is a poor conductor of heat than the wooden tile.
Answer
Answer: (a) is a better conductor of heat than the wooden tile.
Ch 4 Science Class 7 MCQ Question 10.
Paheli and Boojho measured their body temperature. Paheli found her’s to be 98.6°F and Boojho recorded 37°C. Which of the following statement is true?
(a) Paheli has a higher body temperature than Boojho.
(b) Paheli has a lower body temperature than Boojho.
(c) Both have normal body temperature.
(d) Both are suffering from fever.
Answer
Answer: (c) Both have normal body temperature.
Match the following:
| Column A | Column B |
| (i) Conduction | (a) Wood, Plastic, Wool, Air, Water |
| (ii) Convection | (b) Day time |
| (iii) Radiation | (c) Solids |
| (iv) Conductors | (d) Night |
| (v) Insulators | (e) Liquids |
| (vi) Land breeze | (f) Metals |
| (vii) Sea breeze | (g) A device to measure the degree of hotness |
| (viii) Dark coloured surfaces | (h) Poor absorbers of heat |
| (ix) Light coloured surfaces | (i) Good absorbers of heat |
| (x) Thermometer | (j) Requires no medium |
Answer
Answer:
| Column A | Column B |
| (i) Conduction | (c) Solids |
| (ii) Convection | (e) Liquids |
| (iii) Radiation | (j) Requires no medium |
| (iv) Conductors | (f) Metals |
| (v) Insulators | (a) Wood, Plastic, Wool, Air, Water |
| (vi) Land breeze | (d) Night |
| (vii) Sea breeze | (b) Day time |
| (viii) Dark coloured surfaces | (i) Good absorbers of heat |
| (ix) Light coloured surfaces | (h) Poor absorbers of heat |
| (x) Thermometer | (g) A device to measure the degree of hotness |
Fill in the blanks:
1. Temperature is the measure of ………………. of an object.
Answer
Answer: hotness
2. The thermometer used to measure human body temperature is called ………………. thermometer.
Answer
Answer: clinical
3. The normal temperature of human body is ………………. °C.
Answer
Answer: 37
4. A ………………. near the bulb of a clinical thermometer prevents mercury level from falling of its own.
Answer
Answer: kink
5. In ………………. generally, the heat is transferred by the process of conduction.
Answer
Answer: solids
6. The water and air are ………………. conductors of heat.
Answer
Answer: poor
7. In coastal areas, cold air flows in the day from sea to land. It is called ……………….
Answer
Answer: sea breeze
8. When we come out in the sun we feel ……………….
Answer
Answer: warm
9. All hot bodies radiate ……………….
Answer
Answer: heat
10. Wool is a ………………. conductor of heat.
Answer
Answer: poor
Choose the true and false statements from the following:
1. Our sense of touch about hotness or coldness is not always reliable.
Answer
Answer: True
2. Normal temperature of human body is 98.6°C.
Answer
Answer: False
3. In all cases heat flows from a hotter object to a colder object.
Answer
Answer: True
4. Water at higher temperature feels more hot.
Answer
Answer: True
5. Marking on clinical thermometer is from 0°C to 100°C.
Answer
Answer: False
6. Shining thread in thermometer is the column of mercury.
Answer
Answer: True
7. The materials which allow heat to pass through them easily are called conductors.
Answer
Answer: True
8. Water and air are good conductors of heat.
Answer
Answer: False
9. Woollen clothes keep us warm during winter.
Answer
Answer: True
10. The maximum and minimum temperature of the day is measured by a laboratory thermometer.
Answer
Answer: False
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