Matter & Its states

MCQs on Matter and Its States

1. What is matter made up of?

  • Atoms and molecules
  • Cells
  • Energy
  • Waves

2. Which state of matter has a definite shape and volume?

  • Solid
  • Liquid
  • Gas
  • Plasma

3. Which of the following is an example of a gaseous state of matter?

  • Ice
  • Water
  • Oxygen
  • Iron

4. What happens to the particles of matter when heated?

  • They become smaller
  • They stop moving
  • They move slower
  • They move faster

5. Which process converts a solid directly into a gas?

  • Melting
  • Condensation
  • Sublimation
  • Freezing

6. Which state of matter is the most compressible?

  • Solid
  • Liquid
  • Gas
  • Plasma

7. What is the term for the change of liquid into vapor?

  • Evaporation
  • Condensation
  • Sublimation
  • Freezing

8. Which of these is not a state of matter?

  • Solid
  • Liquid
  • Gas
  • Energy

9. Which state of matter has particles that are far apart and move freely?

  • Solid
  • Liquid
  • Gas
  • Plasma

10. What is plasma composed of?

  • Atoms
  • Molecules
  • Electrons
  • Ions and free electrons

11. Which process changes gas into liquid?

  • Sublimation
  • Condensation
  • Evaporation
  • Freezing

12. What is the process of solid changing directly into gas called?

  • Sublimation
  • Melting
  • Condensation
  • Freezing

13. Which state of matter has a definite shape and volume?

  • Gas
  • Liquid
  • Solid
  • Plasma

14. What happens to particles when a solid melts?

  • They become tightly packed
  • They lose all energy
  • They stop moving
  • They move more freely

15. What is the term for the energy needed to change a solid to a liquid?

  • Kinetic Energy
  • Thermal Energy
  • Latent Heat
  • Potential Energy

16. In which state of matter do particles move freely and fill the container?

  • Gas
  • Solid
  • Liquid
  • Plasma

17. What type of energy is most responsible for changing the state of matter?

  • Mechanical Energy
  • Heat Energy
  • Sound Energy
  • Electrical Energy

18. What is plasma most commonly found in?

  • Ice
  • Rocks
  • Stars
  • Air

19. Which process converts a liquid to a gas at a temperature below its boiling point?

  • Boiling
  • Condensation
  • Freezing
  • Evaporation

20. What happens to the particles of a gas when it is compressed?

  • They come closer together
  • They stop moving
  • They expand
  • They lose energy

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