Practice the AP 7th Class Science Bits with Answers Chapter 5 Temperature and Its Measurement on a regular basis so that you can attempt exams with utmost confidence.

## AP State Syllabus 7th Class Science Bits 5th Lesson Temperature and Its Measurement with Answers

Question 1.
If we use electric heater to heat water then the energy converted into heat is
A) Electrical
B) Solar
C) Mechanical
D) Chemical
A) Electrical

Question 2.
First thermometer was invented by
A) Newton
B) Einstein
C) Galileo
D) JC Bose
C) Galileo

Question 3.
Temperature of human body is measured by
A) Laboratory thermometer
B) Clinical thermometer
C) Six maximum and minimum thermo¬meter
D) Any one of the above
B) Clinical thermometer

Question 4.
Boiling point of water is
A) 0 °C
B) 37 °C
C) 100 °C
D) – 10 °C
C) 100 °C

Question 5.
Melting point of ice is
A) 37 °C
B) 100 °C
C) -10°C
D) 0 °C
D) 0 °C

Question 6.
Mercury is
A) Opaque
B) Transparent
C) Translucent
D) None of the above
A) Opaque

Question 7.
Normal temperature of human body is
A) 37 °C
B) 58 °C
C) 48 °C
D) 20 °C
A) 37 °C

Question 8.
Kink is present in
A) Lab thermometer
B) Six’s max. & min. thermometer
C) Clinical thermometer
D) Gas thermometer
C) Clinical thermometer

Question 9.
Thermister thermometer is mainly meant for
B) Infants
C) Women
D) Old People
B) Infants

Question 10.
At room temperature mercury is in ………… state.
A) Solid
B) Liquid
C) Gas
D) Both solid and liquid
B) Liquid

Question 11.
Electrical energy is converted into heat by
A) Gas stove
B) Thermometer
C) Bulb
D) Electric Heater
D) Electric Heater

Question 12.
Chemical energy converts into heat by
A) Gas stove
B) Thermometer
C) Bulb
D) Electric Heater
A) Gas stove

Question 13.
Heat energy con verts in to electricity by
A) Gas stove
B) Electric heater
C) Hot plate
D) Thermal station
D) Thermal station

Question 14.
…………. energy transmits from warmer object to cooler object.
A) Light
B) Chemical
C) Heat
D) All of these
C) Heat

Question 15.
Heat energy converts into mechanical energy by
A) Steam engine
B) Aeroplane
C) Rocket
D) All of these
A) Steam engine

Question 16.
Temperature is a measure of
A) Heat
B) Light
C) Sound
D) Electric power
A) Heat

Question 17.
We use ………… to measure temperature.
A) Thermometer
B) Thermostat
C) Boiler
D) Heater
A) Thermometer

Question 18.
The bulb of thermometer filled with
A) Water
B) Mercury
C) Air
D) Oscillatory
B) Mercury

Question 19.
The bulb of thermometer filled by …………. to measure ‘low’ temperature.
A) Mercury
B) Alcohol
C) Water
D) Any one
B) Alcohol

Question 20.
Markings on thermometer based on boiling and melting points of
A) Water and ice
B) Mercury
C) Alcohol
A) Water and ice

Question 21.
Thermometer was invented by
A) Galo
B) Hook
C) Galileo
D) Edison
C) Galileo

Question 22.
The lowest temperature recorded in the world
A) Arctic
B) Antarctica
C) Pacific
D) Greenland
B) Antarctica

Question 23.
The Six maximum and minimum thermometer measured temperatures of
A) Night
B) Week
C) Day
D) All of these
C) Day

Question 24.
………….. prevents falling of mercury level on its own
A) Capillary
B) Cap
C) Knob
D) Kink
D) Kink

Question 25.
Fahrenheit scale on clinical ther¬mometer ranges 94 to ………….. degrees.
A) 100
B) 104
C) 106
D) 108
D) 108

Question 26.
Celcius scale on clinical thermom¬eter ranges from ……………. to 45 degrees.
A) 34
B) 35
C) 36
D) 40
B) 35

Question 27.
On clinical thermometer Fahrenheit scale 1°Fsubdivided into …………..
A) 5
B) 10
C) 8
D) 4
A) 5

Question 28.
37°C equals to ………. °F.
A) 98.2
B) 98.4
C) 98.6
D) 99
C) 98.6

Question 29.
Thermister thermometer only is used for …………..
A) Infants
B) Old age
C) Women
D) All of these
A) Infants

Question 30.
Laboratory thermometer used in
A) Laboratory
B) Furnaces
C) Theaters
D) All of these
D) All of these

Question 31.
Temperature is a measure of the degree of the following of an object
A) coldness
B) hotness
C) both
D) none
C) both

Question 32.
The following one converts the electrical energy into heat
A) Solar heater
B) Electrical heater
C) Gas stove
D) Coal iron box
B) Electrical heater

Question 33.

It is a …………
A) Clinical thermometer
B) C° thermometer
C) F° thermometer
D) Thermister thermometer
B) C° thermometer

Question 34.

Through this experiment, we can prove that
A) Expansion of gases
B) Expansion of solids
C) Expansion of liquids
D) None of the above
C) Expansion of liquids

Question 35.
Who invented first thermometer?
A) Edison
B) Newton
C) Graham
D) Galileo
D) Galileo

Question 36.
The following is having uniform expansion capacity
A) Mercury
B) Alcohol
C) Water
D) Air
A) Mercury

Question 37.
What liquids are used in this instrument?

A) Alcohol
B) Mercury
C) Both A and B
D) Water
C) Both A and B

Question 38.
It is used to measure

A) Body temperature
B) Room temperature
C) Atmospheric temperature
D) Used in laboratories
A) Body temperature

Question 39.
Human body temperature is
A) 37°F
B) 98.6°C
C) 95°F
D) 98.4°F
D) 98.4°F

Question 40.
It is used to measure the temperature of

B) Children
C) Animals
D) Oldage people
B) Children

Question 41.
In this instrument to measure temperature we use

A) Mercury
B) Alcohol
C) Air
D) None of the above
D) None of the above

Question 42.
We use this to measure the temperature of boiling water.
A) Clinical thermometer
B) Six maximum-minimum thermometer
C) Faboratory thermometer
D) Digital thermometer
C) Faboratory thermometer

Question 43.
Low temperature recording thermometer is filled with
A) Mercury
B) Alcohol
C) Air
D) None of the above
B) Alcohol

Question 44.
The following is used to record the day and night temperature
A) Six maximum-minimum thermometer
B) Clinical thermometer
C) Thermister thermometer
D) Laboratory thermometer
A) Six maximum-minimum thermometer

Question 45.
Kink is present in this thermometer
A) Laboratory thermometer
B) Digital thermometer
C) Clinical thermometer
D) Thermister thermometer
C) Clinical thermometer

Question 46.
Fahrenheit scale has the following divisions
A) 1-100
B) 1-37
C) 1-110
D) 95-110
D) 95-110

Question 47.
98.4°F is equal to
A) 35°C
B) 36°C
C) 37°C
D) 38°C
C) 37°C

Question 48.
Ice melts at this temperature
A) -1°C
B) 0°C
C) 1°C
D) 100°C
B) 0°C

Question 49.
Chemical energy is converted into heat by
A) Electric heater
B) Solar heater
C) Gas stove
D) Iron box
C) Gas stove

Question 50.
In first thermometer, this is used as the thermometric substance
A) Air
B) Mercury
C) Alcohol
D) Water
A) Air

Question 51.
The apparatus which is made based on the principle “Liquids expands on heating” is
A) Thermometer
B) Bulb
C) Electric stove
D) Raingauge
A) Thermometer

Question 52.
If Hari puts the bulb of a clinical thermometer near the fire. What will happen?
1) Mercury level increases
2) Mercury levels decreases
3) No change in mercury level
4) Thermometer will be burst
A) 1 is correct
B) 2 is correct
C) 1, 4 are correct
D) 3 is correct
C) 1, 4 are correct

Question 53.
Separation process of solids from liquids is
A) Evaporation
B) Condensation
C) Crystallisation
D) Melting
C) Crystallisation

Question 54.
P. Air moves from high pressure to low pressure.
Q. Due to very hot air, the water in the sea gets evaporated and moves upward and becomes cyclones.
Which of these statements is/are – correct?
A) P and Q are correct
B) P is correct
C) Q is correct
D) P and Q both are wrong
A) P and Q are correct

Question 55.
The state of Mercury at the room temperature is
A) Liquid
B) Gaseous
C) Solid
D) None of the above
A) Liquids

Question 56.
The apparatus used to measure the highest and the lowest temperatures of the day is
A) Thermometer
B) Clinical thermometer
C) Thermister thermometer
D) Six minimum and maximum thermometer
D) Six minimum and maximum thermometer

Question 57.
Which of the following is used to know the temperature in infants?
A) Thermister thermometer
B) Clinical thermometer
C) Laboratory thermometer
D) Six minimum and maximum thermometer
A) Thermister thermometer

Question 58.
Ravi wants to know the temperature of boiling water with clinical thermometer. What may happen? Guess?
A) It will burst
B) Glass tube will expand
C) It will shrink
D) No change
A) It will burst

Question 59.
-7° C temperature is 0° C.
A) Greater
B) Lesser
C) Equal
D) Very less
B) Lesser

Question 60.
Ravi takes a soapnut seed and rubs it on a stone. What do you observe in it?
A) Heat energy is converted into Mechanical energy
B) Mechanical energy is converted into Heat energy
C) Mechanical energy is converted into Chemical energy
D) Chemical energy is converted into Mechanical energy
B) Mechanical energy is converted into Heat energy

Question 61.
The following scales are marked on the clinical thermometer
A) Both millimeter and centimeter
B) Only Celsius
C) Only fahrenheit
D) Both Celsius and fahrenheit