MEDIUM
8th CBSE
IMPORTANT
Earn 100

How do you extinguish fires caused by petrol?

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 6
Explain how removal of the elements of a fire helps to extinguish it.
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 7
How are fuels classified according to the sources from where they are obtained?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 7
What are the harmful effects of burning fuels?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 7
Draw and explain the different zones in a candle flame. What do the different colours signify?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 7
Explain how a candle burns?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 8

Identify and label the different zones of the given candle flame.

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MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Extended learning>Q 1
Make a visit to the nearest fire station in your locality. Find out the accessories associated with the fire engine and their functions.
HARD
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Extended learning>Q 2
Identify the different kinds of fuels used by your family for cooking and transportation (LPG, diesel, petrol, CNG, etc). Find out whether they are renewable or non-renewable. Make a rough estimate of how much money is spent on them in a month and in a year. Suggest methods by which you can reduce fuel consumption.