Physics
In very cold countries alcohol is used as a thermometric liquid because

Alcohol is a poor conductor of heat
It will not stick to the glass tube
Alcohol can be coloured for its level to be seen easily
Its freezing point is very low

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Physics
Which is evidence that supports the dynamo theory?

Granite and basalt conduct electricity
Convection occurs in Earth's inner core
Earth's core contains a large amount of iron
Earth's outer core contains liquid that conducts electricity

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Physics
A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because

The human body maintains a constant temperature
The carpet is a better conductor of heat than the stone
The floor and carpet are at different temperatures
The stone conveys the heat away from the feet more rapidly than the carpet

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