quiz

Solids Liquids Gases and Plasmas

1.  Which state of matter has the highest density?

  • A) Solids
  • B) Liquids
  • C) Gases
  • D) Plasmas
A) Solids Explanation

2. Which state of matter consists of ions and free electrons?

  • A) Solid
  • B) Liquid
  • C) Gas
  • D) Plasma
D) Plasma Explanation

3. What is the critical temperature of a liquid?

  • A) The temperature below which a gas cannot exist
  • B) The temperature at which a liquid can no longer exist, even under high pressure
  • C) The temperature at which a liquid freezes
  • D) The temperature where all intermolecular forces in a liquid disappear
B) The temperature at which a liquid can no longer exist, even under high pressure Explanation

4. Near absolute zero, a substance will typically be in which state?

  • A) Gas
  • B) Liquid
  • C) Plasma
  • D) Solid
D) Solid Explanation

5. Which of the following changes would cause an increase in particle speed in a gas?

  • A) Decreasing the temperature
  • B) Increasing the temperature
  • C) Increasing the pressure without changing the temperature
  • D) Decreasing the volume without changing the temperature
B) Increasing the temperature Explanation

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