Mize: 8th Grade: Changes in Matter

The measure of the average energy of motion of the particles in a substance is

• Temperature
• Chemical Energy
• Pressure
• Viscosity

A liquid has a

• constant temperature
• definite shape
• crystal structure
• definite volume

The change from a gas to a liquid is called

• evaporation
• condensation
• melting
• sublimation

Which of the following is NOT a characteristic of crystalline solids?

• particles arranged in a repeating pattern
• becomes softer and softer as temperature rises
• made up of crystals
• has a distinct melting point

Boyle's Law states that as the pressure of a gas increases, its

• volume increases
• temperature increases
• volume decreases
• temperature decreases

Which of the following is NOT an example of vaporization?

• dry air gains water as it moves over the ocean
• bubbles form as water boils
• wet pavement dries after a rain shower
• water droplets form on a mirror

A substance which takes the shape and volume of its container is a

• solid
• liquid
• gas
• crystal

Which of the following is an example of a chemical change?

• twisting a wire
• water freezing 
• a pond drying up
• burning gasoline producing carbon dioxide

As the gas in a rigid container is heated, its

• pressure increases
• volume increases
• pressure decreases
• volume decreases

A liquid with a low viscosity

• has a definite shape
• flows quickly
• flows slowly
• fills its container