To avoid parallax error when reading a measuring cylinder, you should
Salam Academy Original Practice · Proposed mark scheme
Practise
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2730 questions · page 14 of 137 · choose a topic above to narrow them down
State the time, in hours, for the Earth to rotate once on its axis.
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Day and night are caused by
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The Earth has seasons because
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The Moon shows phases because
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The Sun is
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Stars form when
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At the end of its life, a star like the Sun will become
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A star much more massive than the Sun ends its life as
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Convert °C into kelvin.
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State absolute zero in degrees Celsius.
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Which describes the particles in a solid?
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Calculate the energy needed to raise the temperature of kg of water by °C. ( J/(kg °C))
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A kg metal block absorbs J and its temperature rises by °C. Calculate its specific heat capacity.
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kg of water ( J/(kg °C)) absorbs J. Calculate its temperature rise.
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Small gaps are left between sections of railway track because
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While ice is melting, its temperature stays at °C even though it is being heated. The energy supplied is used to
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A heating curve for naphthalene has a flat section at °C while the solid turns to liquid. State its melting point in °C.
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State the boiling point of pure water at standard atmospheric pressure, in °C.
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Evaporation takes place
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