20 solutions available
Can it always be correctly judged, that a person has fever, only by touching the person? (Page 123)
What is the highest temperature it can measure? _________Answer:The highest temperature a laboratory thermometer can measure is 110 °C.So the range...
Do old people, even when healthy, generally have lower body temperatures than young adults? (Page 128)
Can a clinical thermometer be used for measuring the temperature of boiling water? Or for measuring the temperature of ice? (Page 129)
The normal temperature of a healthy human being is close to (i) 98.6 °C (ii) 37.0 °C (in) 32.0 °C (iv) 27.0 °C
37 °C is the same temperature as (i) 97.4 °F (ii) 97.6 °F (iii) 98.4 °F (iv) 98.6 °F
Fill in the blanks: (i) The hotness or coldness of a system is determined by its ___________.
The range of a laboratory thermometer is usually (i) 10 °C to 100 °C (ii) -10 °C to 110 °C (iii) 32 °C to 45 °C (iv) 35 °C to 42 °C
Four students used a laboratory thermometer to measure the temperature of water as shown in the figure (Page 137) Who do you think followed the...
Colour to show the red column on the drawings of thermometers (Fig. 8) as per the temperatures written below :
Observe the part of thermometer shown in Fig. and answer the following questions: (i) What type of thermometer is it? (ii) What is the reading of the...
A laboratory thermometer is not used to measure our body temperature. Give a reason.
Vaishnavi has not gone to school as she is ill. Her mother has kept a record of her body temperature for three days as shown in the table given. (i)...
If you have to measure the temperature 22.5 °C, which of the following three thermometers will you use (Fig.)? Explain. Three thermometers
The temperature shown by the thermometer in the given figure is (Page 141) (i) 28.0° C (ii) 27.5° C (iii) 26.5° C (iv) 25.3° C
A laboratory thermometer has 50 divisions between 0 °C and 100 °C. What does each division of this thermometer measure?
Someone tells you that she has a fever of 101 degrees. Does she mean it on the celsius scale or Fahrenheit scale.
What is the lowest temperature it can measure?_________
What is the highest temperature it can measure? _________
Name two plants which have fibrous root.