Solid Liquid and Gases MCQs Quiz Multiple Choice Questions & Answers

1. A gas can be compressed because

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

2. A substance that is a liquid is

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

3. A substance with a fixed shape is called a

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

4. Boiling happens when

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

5. Choose the statement that is incorrect.

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

6. Diffusion provides evidence that

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

7. During heat conduction in solids

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

8. In a gas the particles

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

9. In a solid substance the particles

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

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

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

11. Particles have random motion. This means

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

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

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