IGS Ph TPP02 Change of State

Which of the options desribes changing state from solid to liquid?

• Boiling

• Freezing

• Melting

• Condensation

Which of the options desribes changing state from gas to liquid?

• Boiling

• Freezing

• Melting

• Condensation

Which of the options desribes changing state from liquid to solid?

• Boiling

• Freezing

• Melting

• Condensation

Which of the options desribes changing state from liquid to gas?

• Boiling

• Freezing

• Melting

• Condensation

When a gas condenses to form a liquid, which two of the options apply?

• The molecules lose kinetic energy and slow down

• The molecules move closer together

• The molecules gain kinetic energy and speed up

• The molecules move further apart

When a liquid boils to form a gas, which two of the options apply?

• The molecules lose kinetic energy and slow down

• The molecules move closer together

• The molecules gain kinetic energy and speed up

• The molecules move further apart

When a solid melts to form a liquid, which of the options apply?

• The molecules gain kinetic energy and vibrate more quickly.

• The molecules start to change their position relative to the other molecules

• The molecules gain kinetic energy and speed up

• The molecules move much further apart.

What is the term for a change of state from solid to gas without a liquid stage?

• Condensation

• Vaporisation

• Sublimation

• Fusion

"Dry ice" is solid carbon dioxide.

As it heats up it turns to a gas without being liquid at any stage.

The dry ice ...

• sublimation.

• sublimes.

• vaporises.

"Fusion" is another word for ...

• boiling.

• condensing.

• melting.

• vaporising.