29351934
Description
Mind Map by Brigitte Bunge, updated more than 1 year ago
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Created by Brigitte Bunge
about 3 years ago
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2.2 Thermal properties and
temperature
- 2.2.1 Thermal expansion of solids, liquids and
gases
- describe qualitatively the
thermal expansion of solids,
liquids and gases at constant
pressure
- explain, in terms of the motion and
arrangement of molecules, the relative
order of the magnitude of the
expansion of solids, liquids and gases
- identify and explain some
of the everyday applications
and consequences of
thermal expansion
- describe qualitatively the
thermal expansion of solids,
liquids and gases at constant
pressure
- 2.2.2 Measurement of temperature
- appreciate how a physical property that
varies with temperature may be used for
the measurement of temperature, and
state examples of such properties
- demonstrate understanding of
sensitivity, range and linearity
- recognise the need for
and identify fixed points
- describe the structure of
a thermocouple
Annotations:
- and show understanding of its use as a thermometer for measuring high temperatures and those that vary rapidly
- describe and explain the
structure and action of
liquid-in-glass thermometers
Annotations:
- and explain how its structure relates to its sensitivity, range and linearity
- appreciate how a physical property that
varies with temperature may be used for
the measurement of temperature, and
state examples of such properties
- 2.2.3 Thermal capacity (heat capacity)
- relate a rise in the
temperature of a body to an
increase in its internal energy
- give a molecular account of an
increase in internal energy
- give a molecular account of an
increase in internal energy
- show an understanding of what is meant
by the thermal capacity of a body
- recall and use the equation thermal capacity = mc
- recall and use the equation thermal capacity = mc
- define specific heat capacity
- describe an experiment to measure the
specific heat capacity of a substance
- recall and use the equation change
in energy = mc(delta)T
Annotations:
- the word delta should be shown as a small triangle It means "change in" in this context it means change in temperature
- describe an experiment to measure the
specific heat capacity of a substance
- relate a rise in the
temperature of a body to an
increase in its internal energy
- 2.2.4 Melting and boiling
- describe melting and boiling
Annotations:
- in terms of energy input without a change in temperature
- distinguish between boiling and evaporation
- state the meaning of melting point and boiling point
- describe condensation and
solidification in terms of molecules
- use the terms latent heat of vaporisation
and latent heat of fusion and give a
molecular interpretation of latent heat
- define specific latent heat
- describe an experiment to measure
specific latent heats for steam and for ice
- recall and use the
equation energy = ml
- describe an experiment to measure
specific latent heats for steam and for ice
- describe melting and boiling
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