8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard கணிதம் இயற்கணிதம் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set B
NEW8th Standard
Tamilnadu 8th Standard கணிதம் எண்கள் Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
Tamilnadu 8th Standard Social Science பொருளியல் - பொது மற்றும் தனியார் துறைகள் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - நீதித்துறை Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science குடிமையியல் - பாதுகாப்பு மற்றும் வெளியுறவுக் கொள்கை Important Questions And Answers Study Material - QB365

Published on: 01/11/2019
Term 2 Heat
Download Tamil Nadu 8th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Conduction is the heat transfer which takes place in a____________.
solid
liquid
gas
All of them
2.
The process of converting a liquid into a solid is called_________.
sublimation
condensation
freezing
deposition
3.
If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion?
Solid
Liquid
Gas
All of above
4.
Which of the following substances will absorb more heat energy?
Solid
Liquid
Gas
All the above
5.
If you apply some heat energy to a substance, which of the following can take place in it?
Expansion
Increase in temperature
Change of state
All the above
6.
Heat is a form of ________.
electrical energy
gravitational energy
thermal energy
None of these
7.
If the temperature of a liquid in a container is decreased, then the interatomic distance will ___________.
8.
If you apply heat energy, the temperature of a system will ________.
9.
The process of converting a substance from gas to solid is called_________.
10.
A thermostat is a device which maintains _________.
11.
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
12.
A calorimeter is a device used to measure the________.
13.
In a thermos flask, the silvered walls reflect and radiate the heat to the outside.
14.
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
15.
Convection is the process by which the thermal energy flows in solids.
16.
The process of converting a substance from solid to gas is called condensation.
17.
The dimensions of a substance are increased if the temperature of the substance is decreased.
18.
The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.
19.
Condensation
20.
Sublimation
21.
Radiation
22.
Convection
23.
Conduction
1.
(a)
solid
2.
(c)
freezing
3.
(c)
Gas
4.
(b)
Liquid
5.
(d)
All the above
6.
(c)
thermal energy
7.
( )
decrease
8.
( )
increase
9.
( )
deposition
10.
( )
Constant temperature
11.
( )
specific heat capacity
12.
( )
heat capacity of a liquid
13.
(b)
14.
(b)
15.
(b)
16.
(b)
17.
(b)
18.
(a)
19.
Gas to liquid
20.
Solid to gas
21.
Gas
22.
Liquid
23.
Solid
8th Standard Syllabus & Materials
8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - புவிப்படங்களைக் கற்றறிதல் Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - கண்டங்களை ஆராய்தல் (ஆப்பிரிக்கா, ஆஸ்திரேலியா மற்றும் அண்டார்டிகா) Important Questions And Answers Study Material - QB365
NEW8th Standard
Tamilnadu 8th Standard Social Science புவியியல் - தொழிலகங்கள் Important Questions And Answers Study Material - QB365
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Tamilnadu 8th Standard Social Science வரலாறு - காலங்கள் தோறும் இந்தியப் பெண்களின் நிலை Important Questions And Answers Study Material - QB365
Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards