5 Written Questions
5 Matching Questions
- What is happening to the molecules during melting?
- What are the particles doing during condensation?
- What are the molecules of a solid doing?
- a the particles in a gas lose enough thermal energy to form a liquid
- b change from a liquid to a solid
- c the molecules are closely locked in position and can only vibrate
- d the particles in the solid vibrate so fast that they break free from their fixed positions
- e change in state from a solid to a liquid
5 Multiple Choice Questions
- the change of state from a gas to a liquid
- particles of a solid do not pass through the liquid state as they form gas
- when vaporization only takes place on the surface of a liquid
- the temperature at which a liquid boils
- occurs when a liquid changes to gas below its surface as well as at the surface
5 True/False Questions
Surface tension → the result of an inward pull among the molecules of a liquid that brings the molecules of a surface together
Viscosity → a liquids resistance to flowing
melting point → characteristic temperature of melting
Fluid → a substance that flows
What is happening to the particles during freezing? → the particles in the solid vibrate so fast that they break free from their fixed positions