MEDIUM
7th Tamil Nadu Board
IMPORTANT
Earn 100

Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?

Important Questions on Heat and Temperature

MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 1 - Heat and Temperature>Evaluation>Q V
Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Ramani said it was a wrong way of measuring temperature. Do you agree with Ramani? Explain your answer
EASY
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 1 - Heat and Temperature>Evaluation>Q V
The body temperature of Srinath is 99°F. Is he suffering from fever? If so, why?
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 1 - Heat and Temperature>Evaluation>Q VI
Draw the diagram of a clinical thermometer and label its parts.
MEDIUM
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 1 - Heat and Temperature>Evaluation>Q VI
State the similarities and differences between the laboratory thermometer and the clinical thermometer.
HARD
7th Tamil Nadu Board
IMPORTANT
Tamil Nadu Board Class 7 Science Term 2>Chapter 1 - Heat and Temperature>Evaluation>Q VII
What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?