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SC-7 4 & 5

Authored by Jayant Rai

Science

7th Grade

Used 4+ times

SC-7 4 & 5
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following is a reliable measure of Heat?

Hotness
Coldness
Temperature
None of these

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the device which is used to measure the hotness or coldness of an object.

Picometer
Barometer
Manometer
Thermometer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one is filled in the bulb of a thermometer?

Mercury
Lead
Copper
Silver

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heat always flows

from a colder object to a hotter object
from a hotter object to a colder object
in both the directions
heat never flows from one object to other

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Conduction is the method of transfer of heat in

liquids
solids
gases
vacuum

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heat from the sun reaches to us by

conduction
convection
radiation
electrification

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Out of these gases which one is used in fire extinguishers

Carbon dioxide
Oxygen
Nitrogen
Ozone

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