Heat and Its flow!

Assessment

Heat and Its flow, instrument is used to measure temperature, Thermometer, the most commonly used unit of temperature in daily life, Celsius, process of heat transfer in solids, Conduction, What happens to a metal rod when it is heated, Expansion

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Physics

Grade7

10 Plays

100 Participants

Worksheet

14 Qs

1.
Multiple Choice
1 pts•30 s
Which instrument is used to measure temperature?
Answer choices
Thermometer
Barometer
Hygrometer
2.
Multiple Choice
1 pts•30 s
What is the most commonly used unit of temperature in daily life?
Answer choices
Fahrenheit
Celsius
Kelvin
3.
Multiple Choice
1 pts•30 s
What is the normal human body temperature in Celsius?
Answer choices
0°C
98.6°F
37°C
4.
Multiple Choice
1 pts•30 s
What is the process of heat transfer in solids?
Answer choices
Conduction
Convection
Radiation
5.
Multiple Choice
1 pts•30 s
Which of the following is a poor conductor of heat?
Answer choices
Iron rod
Wooden stick
Aluminium foil
6.
Multiple Choice
1 pts•30 s
Which method of heat transfer takes place in liquids and gases?
Answer choices
Convection
Radiation
Evaporation
7.
Multiple Choice
1 pts•30 s
Which method of heat transfer does not require any medium?
Answer choices
Convection
Conduction
Radiation
8.
Multiple Choice
1 pts•30 s
What type of breeze occurs at night due to differential heating of land and sea?
Answer choices
Sea breeze
Land breeze
Cold wave
9.
Multiple Choice
1 pts•30 s
Which type of surface absorbs the most heat?
Answer choices
Dark, rough surfaces
Light, smooth surfaces
Transparent surfaces
10.
Multiple Choice
1 pts•30 s
Which thermometer is used to measure temperature in a science lab?
Answer choices
Thermometer with Fahrenheit scale
Digital thermometer
Laboratory thermometer
11.
Multiple Choice
1 pts•30 s
What happens to a metal rod when it is heated?
Answer choices
Evaporation
Expansion
Condensation
12.
Multiple Choice
1 pts•30 s
At what temperature does water boil at sea level?
Answer choices
80°C
90°C
100°C
13.
Multiple Choice
1 pts•30 s
What happens to heat during condensation?
Answer choices
Heat is absorbed
Heat is released
Temperature becomes zero
14.
Multiple Choice
1 pts•30 s
Why do we use shiny surfaces in solar cookers?
Answer choices
Shiny surfaces reflect radiation
Shiny surfaces absorb radiation
Shiny surfaces block radiation