HARD
9th ICSE
IMPORTANT
Earn 100

Represent graphically the variation of volume and density of water with temperature in 273 K to 283 K range.

Important Questions on Heat and Energy

EASY
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>PRACTICE QUESTIONS>Q 2
A deep pond of water has its top layer frozen during winter. State the expected temperature of the water layer at the bottom of the pond.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>PRACTICE QUESTIONS>Q 9
What are the secondary consumers?
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>PRACTICE QUESTIONS>Q 11
Mention the dual advantages of silviculture.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>PRACTICE QUESTIONS>Q 13
State the limitations of solar energy.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>Self Evaluation Test>Q 8
What do you mean by global warming? State three impacts of global warming on the life on the earth.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>Self Evaluation Test>Q 9
What is tidal energy? Why it is not considered a major source of energy?
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>Self Evaluation Test>Q 12
Explain the reason for an increase in carbon dioxide's percentage in atmosphere.
HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 5 - Heat and Energy>Self Evaluation Test>Q 14
Differentiate between heat and temperature.