Water Cycle Flashcards
State the definition of melting.
Melting is a process that involves heat gain by a substance which changes from sold to liquid at a fixed temperature.
State the definition of freezing.
It is a process that involves heat loss by a substance which changes from liquid to solid at a fixed temperature.
State the definition of Boiling.
Boiling is a process that involves heat gain by a substance which changes from liquid to gas at fixed temperature.
State the definition of Evaporation.
It is a process that involves heat gain by a substance which changes from liquid to gas at any temperature between the melting point and boiling point.
State the definition of condensation.
It is a process that involves heat loss by a substance which changes from gas to liquid at any temperature between the melting point and boiling point.
What does evaporation form?
Water vapour.
What does boiling form?
Steam.
What are observed during boiling?
Bubbles.
What is the usual boiling point of water?
100 degrees.
What is the usual freezing point of water?
0 degrees.
What is the usual melting point of water?
0 degrees.
