Interconversion of States of Matter
Chemistry ⇒ States of Matter
Interconversion of States of Matter starts at 6 and continues till grade 12.
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See sample questions for grade 8
A student heats a beaker of ice at 0°C. What will happen to the temperature of the ice as it melts?
At what temperature does pure water boil at standard atmospheric pressure?
Define melting point.
Describe the energy changes that occur during freezing.
Describe what happens to the particles of a solid as it melts.
Explain why clothes dry faster on a windy day.
Explain why ice floats on water even as it melts.
Explain why sweating helps to cool our body.
If the freezing point of a substance is -5°C, at what temperature will it start to melt?
If you increase the pressure on a gas, what is likely to happen to its state?
Name one substance that undergoes sublimation at room temperature.
State the difference between evaporation and boiling.
What happens to the temperature of a substance during a change of state?
What is the process called when a liquid changes into a solid?
What is the term for the temperature at which a liquid changes into a gas throughout the liquid?
Which process describes the change of a solid directly into a gas without passing through the liquid state?
Which process is responsible for the disappearance of naphthalene balls kept in open air?
Which process is responsible for the formation of dew on grass in the early morning?
Which process is the reverse of melting?
Which process is used in the formation of snow from water vapor in clouds?
