Class 7 Science Online Tests
Heat Transfer and Convection MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Warm air rises because it is; "Heat Transfer and Convection" App Download (Free) with answers: More dense than cool air; Equally dense as cool air; Less dense than cool air; Completely dense; to learn online classes courses. Solve Heat Transfer Quiz Questions, download Apple eBook (Free Sample) for online degrees.
Heat Transfer and Convection MCQs: Questions and Answers PDF Download
Compared to hot air, cool air is
- light
- good conductor
- more strong
- more dense
Warm air rises because it is
- more dense than cool air
- equally dense as cool air
- less dense than cool air
- completely dense
Sunrays warm up the
- land before the sea
- sea before the land
- land and sea at the same time
- land but not sea
If air is heated, it
- compresses
- expands
- falls down
- gets dense
Weather is an example of
- conduction current
- convection current
- radiation current
- air current
Class 7 Science Practice Tests
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