ICSE Class 9 Heat and Energy Important Question New Pattern
ICSE Class 9 Heat and Energy Important Question New Pattern 2022
OUR EBOOKS CAN HELP YOU ICSE CLASS 10 BOARD
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ICSE Class 9 Heat and Energy Important Question Table
Table of Contents
- ICSE Class 9 Heat and Energy Important Question New Pattern
- OUR EBOOKS CAN HELP YOU ICSE CLASS 10 BOARD
- CODE IS EASY CAN HELP YOU IN SEMESTER 2
- ICSE Class 9 Heat and Energy Important Question Table
- 1. Why does a piece of ice when touched with hand appear cool? Explain.
- 2. Distinguish between heat and temperature.
- 3. What do you understand by thermal expansion of a substance?
- 4. A deep pond of water has its top layer frozen during winter. State the expected temperature of water layer (i) Just in contact with ice and (ii) At the bottom of pond.
- 5. What is an ecosystem? Name its two components.
- 6. State the functions of decomposers in an ecosystem.
- 7. What is a food chain?
- 8. State the law which governs the energy flow in an ecosystem.
- 9. State two characteristics which a source of energy must have.
- 10. Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?