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Year 5 Unit 8: Matter Changes in The State of Matter of Water -…
Year 5
Unit 8: Matter
Changes in The State of Matter of Water
Melting
solid
change to
liquid
Ice melts due to
gaining heat
from the surrounding
Temperature at which a solid melts is called
melting point.
Evaporation process
liquid
change to
gas
evaporation of water occurs at any temperature
Water evaporates due to
gaining heat
from the surrounding
Factors that Affect the rate of Evaporation
Humidity
Wind
Temperature
Area of the exposed area
Condensation
Condensation occurs due to water vapour
loses heat
to the surrounding.
Gas
change to
Liquid
Freezing
Water freeze due to water
loses heat
to the surrounding
The temperature at which liquid freezes is called
freezing point.
Liquid
change to
Solid
Boiling process
liquid
change to
gas
Water vapour is formed
when water boils
at the temperature of 100 C.
Boiling occurs due to
gaining heat
from the surrounding