Matter and It’s States

1. Matter is anything that has:
A) Energy and speed
B) Mass and volume
C) Shape and color
D) Weight and force
Answer: B

2. Which of the following is NOT a state of matter?
A) Solid
B) Liquid
C) Gas
D) Heat
Answer: D

3. The particles in a solid are:
A) Far apart and free
B) Loosely packed
C) Tightly packed
D) Not present
Answer: C

4. Liquids have:
A) Fixed shape and volume
B) Fixed volume but no fixed shape
C) No fixed volume or shape
D) Only fixed shape
Answer: B

5. Gases have:
A) Fixed shape
B) Fixed volume
C) Neither fixed shape nor fixed volume
D) Only fixed mass
Answer: C

6. The process of changing solid into liquid is called:
A) Freezing
B) Evaporation
C) Melting
D) Condensation
Answer: C

7. The process of changing liquid into gas is called:
A) Freezing
B) Condensation
C) Evaporation
D) Melting
Answer: C

8. The change of gas into liquid is known as:
A) Sublimation
B) Condensation
C) Freezing
D) Melting
Answer: B

9. Freezing is the process of changing:
A) Solid to liquid
B) Liquid to solid
C) Gas to liquid
D) Solid to gas
Answer: B

10. The temperature at which a solid changes into liquid is called:
A) Boiling point
B) Freezing point
C) Melting point
D) Dew point
Answer: C

11. The temperature at which a liquid changes into gas is called:
A) Freezing point
B) Melting point
C) Boiling point
D) Condensation point
Answer: C

12. Ice changes directly into water vapor in:
A) Melting
B) Freezing
C) Sublimation
D) Condensation
Answer: C

13. Which state of matter has the weakest intermolecular forces?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: C

14. Which state of matter has a definite volume but no definite shape?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: B

15. Which of the following is an example of gas?
A) Milk
B) Ice
C) Oxygen
D) Oil
Answer: C

16.The movement of particles is fastest in:
A) Solid
B) Liquid
C) Gas
D) Ice
Answer: C

17. Matter is made up of tiny particles called:
A) Cells
B) Atoms and molecules
C) Fibers
D) Rays
Answer: B

18.Heating generally causes matter to:
A) Contract
B) Expand
C) Freeze
D) Shrink permanently
Answer: B

19.Cooling generally causes matter to:
A) Expand
B) Melt
C) Contract
D) Evaporate
Answer: C

20.Which state of matter can flow easily?
A) Solid only
B) Liquid only
C) Gas only
D) Liquid and gas
Answer: D

21.Air is a mixture of:
A) Solids
B) Liquids
C) Gases
D) Plasma
Answer: C

22.The attractive force between particles of matter is called:
A) Friction
B) Gravity
C) Intermolecular force
D) Magnetism
Answer: C

23.Which state of matter is highly compressible?
A) Solid
B) Liquid
C) Gas
D) Ice
Answer: C

24.The change of liquid into solid releases:
A) Heat
B) Light
C) Sound
D) Electricity
Answer: A

25.Which state of matter has particles vibrating about fixed positions?
A) Solid
B) Liquid
C) Gas
D) Plasma
Answer: A

26.The SI unit of temperature is:
A) Celsius
B) Fahrenheit
C) Kelvin
D) Joule
Answer: C

27.Which of the following shows sublimation?
A) Ice to water
B) Water to steam
C) Naphthalene balls disappearing
D) Steam to water
Answer: C

28.Diffusion is fastest in:
A) Solid
B) Liquid
C) Gas
D) Ice
Answer: C

29.Which property remains the same when shape changes?
A) Density
B) Color
C) Volume (in liquids)
D) Temperature
Answer: C