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Substances
A1 Melting/Freezing
B1 The particle theory
C1 The gas state
D1 The three states
E1 Density
Mixtures
F1 Melting behaviour
G1 Evaporation of water
H1 Condensation of water
I1 Recognising dissolving
J1 Solubility
K1 Separating mixtures
Changing substances
L1 Structures
M1 Chemical change
Advanced substances
N1 Crystals
O1 Change of state
P1 Gas and pressure
Advanced mixtures
Q1 Diffusion
R1 Rate of evaporation
S1 Rate of dissolving
T1 Chromatography
Advanced changes
U1 Formulae
V1 Fire
W1 Acids
G4.1 EVAPORATION AND BOILING
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The table below summarises the difference between evaporation and boiling of water:
Evaporation
Boiling
Takes place at any temperature.
Takes place at a particular temperature - the boiling point.
No bubbles of water in the gas state.
Bubbles form. The bubbles are water in the gas state.
Notes: see Teachers’ Guide
teachers’ guide g3
more info
g1: evaporation
g2: energy
g3: explaining
g4: boiling
g5: comparing rates
more info
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a Science Enhancement Programme CD-ROM 2005
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