FINAL Purcaro ENERGY TRANSFER, HEAT, MATTER, THERMAL ENERGY

1. Solid particles are

• Loosely bonded and flowing
• Tightly packed
• Free to fly around
• Very hot

2. The temperature at which a substance changes from a solid to a liquid.

• Boiling point
• Melting point
• Freezing point

3. Particles move the slowest in what phases?

• Solid
• Liquid
• Gas

4. The space between particles is widest in which phases?

• Solid
• Liquid
• Gas

5. Which theory describes the arrangement and movement of particles in solids, liquids and gases?

• Theory or relativity
• Kinetic theory
• Atomic theory

6. In which state of matter are the particles mostly touching but arranged in a random way?

• Solid
• Liquid
• Gas

7. In which state of matter do the particles have the most energy?

• Solid
• Liquid
• Gas

8. Why can liquids not be compressed easily?

• The particles are in a random arrangement
• The particles are closely packed
• The particles are free to move over each other

9. If the liquid is heated, what type of change occurs?

• Increased energy
• Condensation
• Freezing
• Sublimation

10. If water vapor is cooled what is the change that happens?

• Evaporation
• Condensation
• Freezing
• Sublimation