Which of the following states of matter can change both shape and volume?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: C) Gas
What happens to the average kinetic energy of particles as a substance is heated?
- A) It decreases
- B) It remains the same
- C) It increases
- D) It fluctuates
- Answer: C) It increases
The process of a solid turning into a liquid is known as:
- A) Condensation
- B) Freezing
- C) Melting
- D) Boiling
- Answer: C) Melting
The change of state from gas to solid is known as:
- A) Melting
- B) Freezing
- C) Deposition
- D) Sublimation
- Answer: C) Deposition
Which state of matter is most commonly found in stars?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: D) Plasma
The point at which a substance changes from a liquid to a solid is known as:
- A) Melting point
- B) Boiling point
- C) Freezing point
- D) Sublimation point
- Answer: C) Freezing point
What happens to the energy of a substance when it undergoes condensation?
- A) Energy is absorbed
- B) Energy is released
- C) Energy remains the same
- D) Energy fluctuates
- Answer: B) Energy is released
In which state of matter do particles have the least amount of movement?
- A) Solid
- B) Liquid
- C) Gas
- D) Plasma
- Answer: A) Solid
Which of the following is not a characteristic of gases?
- A) High compressibility
- B) Definite shape
- C) Expand to fill their container
- D) Low density
- Answer: B) Definite shape
The temperature at which a liquid changes to a gas is called:
- A) Freezing point
- B) Boiling point
- C) Melting point
- D) Condensation point
- Answer: B) Boiling point