heat

Question 1

What is Temperature?

Answer 1

measure of the Mean KInetic energy POssesed by particles That form an object

Question 2

what is use to measure temperature and who invented it first?

Answer 2

thermometer
Gallileo Galilei
1600A.D

Question 3

what are types of thermometers?

Answer 3

Glass mercury
Glass Alcohol
Digital

Question 4

what are the uses of glass mercury thermometer?

Answer 4

*has a uniform Expansion over a broad range of temperature
*good thermal conductor
*liquid over a broad range of temperature

Question 5

what are the disadvantage of glass mercury thermometer?

Answer 5

mercury is toxic

Question 5

what is use in glass alcohol thermometer?

Answer 5

ethyl Alcohol

Question 6

what is the melting point of ethanol?

Answer 6

-115 degrees celsius
measuring low temperatures

Question 7

what are the uses of glass alcohol thermometer?

Answer 7

*has a high expansion relative to most other liquids
*expansion increases uniformly with temperature

Question 8

in what thermometer you can read temperature directly?

Answer 8

in digital thermometer

Question 9

what are special features of clinical thermometer?

Answer 9

*there is a fine bend in the capillary tube containing mercury
*temperature range is short
(35 degrees celsius to 43 degrees celsius)

Question 10

how to use thermometers correctly?

Answer 10

*thermometer should be held vertically
so bulb of the thermometer is well in contact with substance/liquid of temperature which should be measured.
*when taking readings should be adjusted to eye level

Question 11

what are 3 temperature scales?

Answer 11

*Celsius scale
*Fahrenheit scale
*Kelvin scale

Question 12

who introduced Celsius scale?

Answer 12

Anderse Celsius

Question 13

who introduced Fahrenhite scale?

Answer 13

Gabriel Fahrenhite

Question 14

who introduced Kelvin scale?

Answer 14

Lord Kelvin

Question 15

what is lower fixing point means?

Answer 15

freezing point of water

Question 16

what is upper fixing point means?

Answer 16

boiling point of water

Question 17

what is human body temperature in Celsius Scale?

Answer 17

37 degrees Celsius

Question 18

what is human body temperature in Farenhite Scale?

Answer 18

98.6 degrees farenhite

Question 19

what is human body temperature in Kelvin Scale?

Answer 19

310K

Question 20

what is lower fixing point in Celsius Scale?

Answer 20

0

Question 21

what is lower fixing point in farenhite Scale?

Answer 21

32

Question 22

what is lower fixing point in Kelvin Scale?

Answer 22

273.15K

Question 23

what is upper fixing point in Celsius Scale?

Answer 23

100

Question 24

what is upper fixing point in Kelvin Scale?

Answer 24

373.15K

Question 25

what is upper fixing point in farenhite Scale?

Answer 25

212

Question 26

what is absolute zero in Celsius Scale?

Answer 26

-273.15

Question 27

what is absolute zero in kelvin Scale?

Answer 27

0

Question 28

what is absolute zero means?

Answer 28

minimum value to the temperature that any object can reach

Question 29

when kinetic energy of particles decreases what happen to temperature of the object?

Answer 29

the temperature of the object decreases

Question 30

when kinetic energy of particles are0 what happen to temperature of the object?

Answer 30

the temperature of the object is absolute zero

Question 31

what is the international unit of measuring temperature?

Answer 31

kelvin

Question 32

how many divisions in the kelvin scales are equal to one division in the Celsius scale?

Answer 32

*100 degrees celcius divisions equals to 100 degrees Kelvin divisions *1 degree celcius divisions equals to 10 degree Kelvin divisions

Question 33

what has to be done in order to convert a temperature value given in Celsius into Kelvin?

Answer 33

273 should be added to given Celsius value

Question 34

indicate 50 degree celsius in kelvin

Answer 34

50 +273 equals to 323

Question 35

what has to be done in order to convert a temperature value given in Kelvin to Celsius ?

Answer 35

273 should be substracted to given Celsius value