science - heat

Class 7 - Science

Heat

Q&A
Question:

Look at figure 4.6. Mark where the heat is being transferred by conduction, by convection and by radiation

Answer:

ncert-solutions-class-7-science-chapter-4-heat-02



--- >>>

Questions and Answers


Heat - Questions
1.

Fill in the blanks
The hotness of an object is detetmined by its ____________ .
(b) Temperature of boiling water cannot be measured by a ____________ thermometer.
(c) Temperature is measured in degree ____________ .
(d) No medium is required for transfer of heat by the process of ____________.
(e) A cold steel spoon is dipped in a cup of hot milk. It transfers heat to its other end by the process of ____________
(f) Clothes of ___________ colours absorb heat better than clothes of light colours.


Answer
2.

Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing?


Answer
3.

In places of hot climate it is advised that the outer walls of houses be painted white. Explain.


Answer
4.

Give two examples each of conductors and insulators of heat.


Answer
5.

Look at figure 4.6. Mark where the heat is being transferred by conduction, by convection and by radiation


Answer
6.

State similarities and differences between the laboratory thermometer and the clinical thermometer.


Answer
General Knowledge Quiz
3001 Bizarre Facts
Dictionary
Elementary English Grammar Test
Standard English Grammar Test
Advanced English Grammar Test
Daily English Quiz
English Test
Grammar Examination
ESL / EFL Test
Grammar Test
Antonyms
Synonyms
Homonyms
Vocabulary Examination
Word Analogy
Vocabulary Flashcards
Idioms
Idioms Quiz
Quantitative Aptitude Test
iQ Quiz Game
Verbal Reasoning Quiz - Mind Game
English Question Answer
Vocabulary Game 1
Vocabulary Game 2
Scramble Word Game
Common Mistakes
Confusing Words
Basic English Usage
English Grammar
Prepositions
English Phrases
Learn English
Word Game
Interview Questions and Answers
Educational Quiz Games