4. Heat and Temperature.
Q 2 How can we measure the temperature of our body? Mark (1)
Q 3 Name the components of clinical thermometer? Mark (1)
Q 4 What is the normal temperature of a human body? Mark (1)
Q 5 What is the use of the kink in clinical thermometer? Mark (1)
Q 6 What is the range of the clinical thermometer? Mark (1)
Q 7 Which type of thermometer does not contain mercury as one of its component? Mark (1)
Q 8 Name the process by which heat is transferred from hotter object to the colder object when they come in contact with each other. Mark (1)
Q 9 What is the process by which heat of sun is able to reach us? Mark (1)
Q 10 What is temperature? Mark (1)
Q 11 In places of hot climate, it is advised that the outer walls of houses should be painted white. Explain. Marks(2)
Q 12 Explain, why wearing two thin sweaters during winter keeps us warmer than wearing just one thick sweater? Marks (2)
Q 13 How is heat transferred in air ? In which direction does the smoke go? Marks (2)
Q 14 Define conduction. Marks (2)
Q 15 How does the heat flow? Marks (2)
Q 16 What would we prefer to wear in summers, a black shirt or a pink shirt ? Why? Marks (2)
Q 17 What are conductors and insulators? Give examples
Marks (3)
Q 18 Write two similarities and two dissimilarities between laboratory thermometer and the clinical thermometer. Marks (3)
Q 19 What do you understand by clinical thermometer and laboratory thermometer? Marks (3)
Q 20 Write short notes on (a) Sea breeze . (b) Land breeze.
Marks (4)
Q 21 Write down the differences between clinical thermometer and laboratory thermometer with respect to temperature measurement. Marks (5)
Q 22 Write down the differences between clinical thermometer and laboratory thermometer with respect to temperature measurement. Marks (5)
Q 23 Praveen heated a beaker containing water. He took a few coloured paper pieces and added them in the water. He observed that the paper pieces started moving. Then, he heated a piece of iron, but did not observe any movement of iron particles. Why? Explain. Marks (5)
Marks (5)
Most Important Questions
Q 2 How will you measure temperature?
Q 3 Which scale is commonly used in India?
Q 4 Which thermometer you will use to measure temperature of your friend?
Q 5 Which thermometer you will use to measure temperature of the day?
Q 6 Will you use clinical thermometer to measure the temperature of freezer?Explain.
Q 7 How will you measure temperature using clinical thermometer?
Q 8 What is the normal temperature of human body?
Q 9 What is the difference between laboratory thermometer and clinical thermometer?
Q 10 How will you measure temperature of water using laboratory thermometer
Q 11 What do you understand by conduction?
Q 12 How does the heat flow takes place?
Q 13 What is convection?
Q 14 What do you understand by radiation?
Q 15 What is the difference between sea breeze and land breeze?
Q 16 What do you understand by conductor? State one use of conductor
Q 17 What do you understand by insulators? State one use of insulator.
Q 18 Which kind of clothes you use in summers? Explain why.
Q 19 Which kind of clothes you use in winters? Explain why.
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