Solid Liquid and Gases MCQ Questions and Answers for Practice

1. A gas can be compressed because

1. the particles can be squeezed
2. the particles shrink
3. there are gaps between the particles
4. gases have always got air in them

2. A substance that is a liquid is

1. ice
2. steam
3. water
4. crystal

3. A substance with a fixed shape is called a

1. gas
2. liquid
3. solid
4. foam

4. Boiling happens when

1. a liquid turns to a gas
2. a solid turns to a gas
3. a solid turns to a liquid
4. a gas turns to a solid

5. Choose the statement that is incorrect.

1. Matter contains particles.
2. Solids, liquids and gases are called the three states of matter.
3. Some liquids do not contain particles.
4. All substances are made of particles.

6. Diffusion provides evidence that

1. particles collide
2. particles have different sizes
3. particles move by themselves
4. all matter is made from particles

7. During heat conduction in solids

1. the particles get cooler
2. the particles lose energy
3. the particles pass on energy by colliding
4. the energy in the particles expands

8. In a gas the particles

1. change size
2. are close together
3. move slowly
4. are far apart

9. In a solid substance the particles

1. change size
2. do not move
3. touch
4. are far apart

10. On a cold, damp morning there is mist in a garden. Mist is a mixture of

1. a liquid and a solid
2. a solid and a gas
3. two different liquids
4. a liquid and a gas

11. Particles have random motion. This means

1. the particles stand still
2. the path of the particles cannot be predicted
3. the path of the particles are curved
4. the particles always travel in straight lines

12. When an iron bar is heated it gets longer. This is because the particles in the bar

1. get bigger
2. get closer together
3. move further apart
4. change shape