Chapter 2 Test Solids, Liquids, Gas

1. Is fixed, closely packed arrangement of particles and causes a ____________ to have a definite shape and volume.

• solid
• liquid
• gas

2. Its particles are free to move, a ___________ has not definite shape. However, it does have a definite volume.

• solid
• liquid
• gas

3. Its particles spread apart, filling all the space available. It has neither definite shape nor definite volume.

• solid
• liquid
• gas

4. At a solid's _____________ , its particles vibrate so fast that they break free from their fixed positions.

• melting point
• freezing point
• boiling point

5. __________________ occurs when the particles in a liquid gain enough thermal energy to move independently.

• vaporization
• freezing
• melting

6. During _________________, particles of a solid do not pass through the liquid state as they form a gas.

• evaporation
• condensation
• sublimation

7. When the temperature of a gas at constant volume is increased, the pressure of the gas __________________. Think of a tire.

• decreased
• increased
• stays the same

8. When the temperature of a gas at constant pressure is increased, its volume _____________. Think of a balloon.

• decreased
• increased
• stays the same

9. When the pressure of a gas at constant temperature is increased, the volume of the gas ____________. Think of a syringe.

• decreased
• increased
• stays the same

10. In ________________ the particles are not arranged in a regular pattern. It does not melt at a distant temperature. Plastics and rubber are examples.

• crystalline solid
• amorphous solid
• viscosity
• surface tension