Quiz on Particle Theory of Matter

According to the particle theory of matter, what is the primary reason that solids maintain a definite shape?

• The particles are moving very fast

• The particles are tightly packed and vibrate in place

• The particles have no forces of attraction

• The particles are far apart and move freely

Which of the following statements best describes the particles in a liquid?

• They are tightly packed and do not move.

• They slide past each other and are loosely packed.

• They are far apart and move freely.

• They vibrate in place and have a definite shape.

When a solid changes to a liquid, what process is occurring?

• Freezing

• Melting

• Condensation

• Sublimation

What happens to the particles of a substance when heat is added?

• They move slower and get closer together.

• They move faster and get farther apart.

• They stop moving entirely.

• They change into a different substance.

Which change of state involves the removal of heat?

• Melting

• Evaporation

• Freezing

• Sublimation

Which of the following is NOT a characteristic of gases?

• They have no definite shape.

• They fill the entire volume of their container.

• They have strong forces of attraction between particles.

• The particles are far apart and move freely.

What is the main reason that liquids can take the shape of their container?

• The particles are tightly packed and vibrate in place.

• The particles slide past each other and are loosely packed.

• The particles have no forces of attraction.

• The particles are far apart and move freely.

During condensation, what happens to the energy of the gas particles?

• Energy is added, causing them to move faster.

• Energy is removed, causing them to move slower.

• Energy remains constant.

• Energy is converted into mass.

Which of the following best describes the forces of attraction between particles in a gas?

• Very strong

• Strong

• Weak

• Extremely Weak

What occurs during the process of sublimation?

• A solid turns directly into a gas.

• A gas turns into a liquid.

• A liquid turns into a solid.

• A solid turns into a liquid.