Physics-Heat [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 1 - 5 of 51

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Question 1

Question

MCQ▾

Why the pipes that carry steam have a U shape structure?

Figure Showing U-Shaped Steam Pipes

Choices

Choice (4)Response

a.

To allow expansion to take place.

b.

Because U shape is easily to construct.

c.

To allow contraction to take place.

d.

Question does not provide sufficient data or is vague

Question 2

Question

MCQ▾

Which of them is not a scale of temperature?

Choices

Choice (4)Response

a.

Fahrenheit

b.

Kelvin

c.

Joules

d.

Reaumur

Question 3

Question

MCQ▾

Thermoscope is used to measure:

Figure Showing a Thermoscope

Choices

Choice (4)Response

a.

Keep food warm

b.

Measure temperature variations

c.

Keep food cold

d.

All of the above

Question 4

Question

MCQ▾

Which of the following is good conductor of heat?

Choices

Choice (4)Response

a.

Wool

Figure Showing Wool

b.

Cotton

Figure Showing Cotton Balls

c.

Glass

Figure Showing Glass Surface

d.

Silver

Figure Showing Silver

Question 5

Question

MCQ▾

What is a thermostat?

Figure Showing a Thermostat

Choices

Choice (4)Response

a.

Device use to measure moisture content in the atmosphere

b.

Device that keep food hot.

c.

Device use to measure temperature of oil

d.

Device that automatically regulates temperature when the temperature reaches a certain point.

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