Describe Particle Motion Changes with Thermal Energy

Front

How does the motion of particles in a substance change as the temperature increases?

Back

Particles move faster.

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DOK Level 2: Skill/Concept

Front

Which state change occurs when a solid turns directly into a gas?

Back

Sublimation

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DOK Level 2: Skill/Concept

Front

What happens to the particles of water when it is heated from 25°C to 100°C?

Back

Particles move further apart and speed up.

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DOK Level 3: Strategic Thinking

Front

Explain why adding thermal energy to a substance can cause it to change state.

Back

Thermal energy increases particle motion.

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DOK Level 3: Strategic Thinking

Front

Investigate the process of condensation and describe what happens to the particles during this state change.

Back

Particles lose energy and move closer together.

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DOK Level 4: Extended Thinking

Front

What happens to particles during the freezing process?

Back

Particles lose energy and move closer together.

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DOK Level 4: Extended Thinking

Front

Reason for decrease in particle motion when thermal energy is removed from a substance.

Back

Particles lose kinetic energy.

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DOK Level 3: Strategic Thinking

Front

Describe the changes in particle motion and state when a gas is cooled to its condensation point.

Back

Particles move slower and come closer together.

Tags

DOK Level 2: Skill/Concept

Front

How does the removal of thermal energy affect the state of a pure substance?

Back

It can cause the substance to freeze or condense.

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DOK Level 2: Skill/Concept

Front

Describe the changes in particle motion and state when thermal energy is added to a solid.

Back

Particles move faster and spread out.

Tags

DOK Level 3: Strategic Thinking