States of Matter Quiz
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5 questions, one answer each
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1. In which state of matter are particles arranged regularly and vibrate about fixed positions?
- A. Gas
- B. Liquid
- C. Solid
- D. Plasma
2. What is the name of the change from a gas directly to a solid?
- A. Freezing
- B. Subliming
- C. Depositing
- D. Condensing
3. Are changes of state, such as melting and boiling, physical or chemical changes?
- A. Chemical changes, because a new substance forms
- B. Physical changes, because no new substance is formed
- C. Physical changes, because they always release a gas
- D. Chemical changes, because they are irreversible
4. A pure substance is heated steadily and its temperature is recorded. While it is melting, what happens to its temperature?
- A. It rises steadily
- B. It falls steadily
- C. It stays constant until melting is complete
- D. It rises then falls sharply
5. A substance has a melting point of 80°C and a boiling point of 218°C. A student is told the substance is at 150°C. Using this data, what state is the substance in, and why?
- A. Solid, because 150°C is below the boiling point
- B. Liquid, because 150°C is above the melting point but below the boiling point
- C. Gas, because 150°C is a high temperature
- D. Solid, because 150°C is closer to the melting point than the boiling point