INTERNATIONAL TURKISH HOPE SCHOOL
UTTARA BOYS SECTION
1. Explain the difference between heat and
temperature?
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
2. Draw a thermometer and explain the features of a thermometer which will make it sensitive and quick acting.
3. a) Convert 300 K to C.
b) What is your body temperature in kelvin?
4. In what ways heat can be transferred? (Don’t make
spelling mistake)
a) ………………………………………… b) ………………………………….. c) ………………………………
5. What is meant by conductor and insulator? Which
materials are good conductors and insulators.
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
6. Describe an experiment to demonstrate that speed of transfer of heat is different in
different materials. ( Draw and explain)
7. Describe an experiment to show that water is poor
conductor of heat. (Draw and explain)
8. How the heat is transferred by convection.
……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..
9. A dull black surface loses or absorbs more
energy than a bright shiny surface.
Describe an experiment to prove it.
10. Explain with a diagram how a vacuum flask keep
the things at the same temperature. ( How it prevents escaping the heat by
conduction ,convection and radiation)
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.