• AglaSem
  • Schools
  • Admission
  • Career
  • News
  • Hindi
  • Mock Test
  • Docs
  • ATSE
aglasem
No Result
View All Result
aglasem
  • Home
  • CBSE
    • Date Sheet
    • Syllabus
    • Sample Papers
    • Question Papers
  • ICSE / ISC
  • State Boards
    • Date Sheet
    • Admit Card
    • Result
    • Sample Paper
    • Question Paper
  • NCERT
    • NCERT Solutions
    • NCERT Books
    • NCERT Audio Books
    • NCERT Exempler
  • Study Material
    • Notes
    • Solved Sample Papers
    • Maps
    • Writing Skill Format
  • Olympiads
    • NTSE
    • NMMS
  • School Admission
  • Entrance Exams
    • JEE Main
    • NEET
    • CLAT
  • Students Guide
    • Careers Opportunities
    • Courses & Career
    • Courses after 12th
  • Mock Tests
  • Others
    • RD Sharma Solutions
    • HC Verma Solutions
    • Teaching Material
    • Classes Wise Resources
No Result
View All Result
aglasem
No Result
View All Result

Class 7 Important Questions for Science – Heat (NCERT Exemplar)

by Anwesha Bose
February 24, 2023
in 7th Class

Class 7 Important Questions for Science – Heat

NCERT Exemplar Class 7 Science is very important resource for students preparing for VII Board Examination. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7.

Question from very important topics are covered by NCERT Exemplar Class 7. You also get idea about the type of questions and method to answer in your Class 7th examination.

Here you can get Class 7 Important Questions Science based on NCERT Text book for Class VII. Science Class 7 Important Questions are very helpful to score high marks in board exams. Here we have covered Important Questions on Heat for Class 7 Science subject.

Science Important Questions Class 7 are given below.

Multiple Choice Questions

  1. 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.
  2. 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 surrounding.
  3. Paheli and Boojho measured their body temperature. Paheli found her’s to be 98.6 °F and Boojho recorded 37°C. Which of the followng 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.
  4. Boojho has three thermometers as shown in Figure 4.1. He wants to measure the temperature of his body and that of boiling water. Which thermometer (s) should he choose?
    Heat
    Heat

    • (a) Thermometer (i) or (iii) for measuring body temperature and (ii) for measuring the temperature of boiling water.
    • (b) Thermometer (i) for measuring temperature of both.
    • (c) Thermometer (ii) for measuring temperature of both.
    • (d) Thermometer (iii) for measuring temperature of both.
  5. Four arrangements to measure temperature of ice in beaker with laboratory thermometer are shown in Figure 4.2 (a, b, c and d). Which one of them shows the correct arrangement for accurate measurement of temperature?
    Heat
  6. Fig 4.3 (a–d) shows a student reading a doctor’s thermometer. Which of the figure indicates the correct method of reading temperature?
    Heat
  7. Figure 4.4. (a–d) shows the readings on four different thermometers. Indicate which of the reading shows the normal human body temperature?
    Heat

Very Short Answer Type Questions

  1. Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
  2. A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in Figure 4.5.
    Heat
    Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.
  3. To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink cool? Give reason for your answer.
  4. In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

Short Answer Type Questions

  1. A circular metal loop is heated at point O as shown in Figure 4.6.
    Heat
    (i) In which direction would heat flow in the loop?
    (ii) In which order the pins at points P,Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
  2. In the arrangements A and B shown in Figure 4.7, pins P and Q are fixed to a metal loop and an iron rod with the help of wax. In which case are both the pins likely to fall at different times? Explain.
    Heat
  3. For setting curd, a small amount of curd is added to warm milk. The microbes present in the curd help in setting if the temperature of the mixture remains approximately between 35°C to 40°C. At places, where room temperature remains much below the range, setting of curd becomes difficult. Suggest a way to set curd in such a situation.
  4. You may have noticed that a few sharp jerks are given to clinical thermometer before using it. Why is it done so?
  5. Why is it advised not to hold the thermometer by its bulb while reading it?
  6. At a camp site there are tents of two shades – one made with black fabric and the other with white fabric. Which one will you prefer for resting on a hot summer afternoon? Give reason for your choice. Would you like to prefer the same tent during winter?
  7. While constructing a house in a coastal area, in which direction should the windows preferably face and why?
  8. Observe the picture given as Figure 4.8. Water is being boiled in a pan of wide base.
    Heat
    (i) Which position P or T will feel warmer?
    (ii) Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
  9. Look at Figure 4.9.
    Heat
  10. The length of wire PQ in case of A is equal to the diameter of the semicircle formed by the wire CDE, in case B. One pin is attached to each wire with the help of wax as shown in Figure 4.9. Which pin will fall first? Explain.
« Previous Next »

Answers to Multiple Choice Questions

1. (a) 2. (b) 3. (c) 4. (a)
5. (a) 6. (a) 7. (c)

Class 7 Important Questions for Science all topics

Science Important Questions Class 7 are given below chapter wise.

  • Nutrition in Plants
  • Nutrition in Animals
  • Fibre to Fabric
  • Heat
  • Acids, Bases and Salts
  • Physical and Chemical Changes
  • Weather, Climate and Adaptation Of Animals to Climate
  • Wind, Storm and Cyclone
  • Soil
  • Respiration in Organisms
  • Transportation in Animals and Plants
  • Reproduction in Plants
  • Motion and Time
  • Electric Current and Its Effects
  • Light
  • Water : A Precious Resource
  • Forests : Our Lifeline
  • Wastewater Story

Other Study Material

  • NCERT Books
  • NCERT Solutions
  • Class Notes
  • RD Sharma Solutions
Class 7 Science
Maths
Tags: Class 7thNCERT Exemplar Class 7NCERT Exemplar Class 7 ScienceNCERT Exemplar Problems Solutions
Previous Post

Class 7 Important Questions for Science – Acids, Bases and Salts (NCERT Exemplar)

Next Post

Class 7 Important Questions for Science – Nutrition in Animals (NCERT Exemplar)

Related Posts

PSEB Model Test Paper
7th Class

PSEB 7th Model Question Paper 2023 (PDF) – Punjab Board Sample Paper for Class 7

7th Class

Rajasthan Board Class 7th Model Question Papers 2023 (PDF) – RBSE Sample Paper for Class 7

AglaSem Schools
7th Class

Teaching Material for Class 7 – NCERT CBSE Handbook for Teachers

AglaSem Schools
7th Class

Teaching Material for Class 7 Mathematics – NCERT CBSE Handbook for Teachers

Leave a Reply Cancel reply

CBSE Board Quick Links

  • CBSE Date Sheet
  • CBSE Result
  • CBSE Syllabus
  • CBSE Sample Papers
  • CBSE Question Papers
  • CBSE Notes
  • CBSE Practice Papers
  • CBSE Mock Tests

Class Wise Study Material

  • Class 1
  • Class 2
  • Class 3
  • Class 4
  • Class 5
  • Class 6
  • Class 7
  • Class 8
  • Class 9
  • Class 10
  • Class 11
  • Class 12

Board Exams 2023

  • Solved Sample Papers
  • Maps
  • Revision Notes
  • CBSE
  • State Board

Study Material

  • Class Notes
  • NCERT Solutions
  • NCERT Books
  • HC Verma Solutions
  • Courses After Class 12th

Exam Zone

  • JEE Main 2023
  • NEET 2023
  • CLAT 2023
  • Fashion & Design
  • Latest
  • Disclaimer
  • Terms of Use
  • Privacy Policy
  • Contact

© 2019 aglasem.com

  • Home
  • CBSE
    • Date Sheet
    • Syllabus
    • Sample Papers
    • Question Papers
  • ICSE / ISC
  • State Boards
    • Date Sheet
    • Admit Card
    • Result
    • Sample Paper
    • Question Paper
  • NCERT
    • NCERT Solutions
    • NCERT Books
    • NCERT Audio Books
    • NCERT Exempler
  • Study Material
    • Notes
    • Solved Sample Papers
    • Maps
    • Writing Skill Format
  • Olympiads
    • NTSE
    • NMMS
  • School Admission
  • Entrance Exams
    • JEE Main
    • NEET
    • CLAT
  • Students Guide
    • Careers Opportunities
    • Courses & Career
    • Courses after 12th
  • Mock Tests
  • Others
    • RD Sharma Solutions
    • HC Verma Solutions
    • Teaching Material
    • Classes Wise Resources

© 2019 aglasem.com

Play Quiz = Earn Coins Click Here!