Phase Change Exploration
Explore the concepts of phase change, states of matter, and the energy involved in transitions between solid, liquid, and gas phases.
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Phase Change Exploration
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following describes the process of a liquid turning into a gas?
Melting
Freezing
Evaporation
Condensation
2. What happens to the temperature of a substance during a phase change?
It increases
It decreases
It stays the same
It fluctuates rapidly
3. When a solid turns directly into a gas without passing through the liquid state, it is called .
4. The temperature at which a liquid turns into a solid is known as its point.
5. Energy is released when a gas condenses into a liquid.
True
False
6. Boiling is a phase change that occurs only at the surface of a liquid.
True
False
7. Describe the difference between melting and freezing in terms of energy and particle movement.
8. Explain why a substance's temperature does not change during a phase change, even though heat energy is being added or removed.
9. Observe the phase change diagram below. Label the different phase changes (melting, freezing, evaporation, condensation, sublimation, deposition) on the diagram wherever they occur.
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