Science: Middle School: Grades 6, 7 and 8 Quiz - Solids, Liquids and Gases 3 (Questions)

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Being a Science student, you will know that the three states of matter are solids, liquids and gasses. Matter is a general term for the substance of which all physical objects are made.

Have a bash at our quiz on the subject.

1. The state of matter which has very low density is .......
[ ] Gas
[ ] Liquid
[ ] Solid
[ ] Solution
2. When a solid changes to a liquid, it .......
[ ] Boils
[ ] Condenses
[ ] Freezes
[ ] Melts
3. If matter has energy taken away .......
[ ] It contracts
[ ] It expands
[ ] It vaporizes
[ ] Nothing happens
4. A balloon is filled with gas. Inside the balloon the gas particles .......
[ ] Are avoiding each other
[ ] Are moving slowly
[ ] Are moving very quickly
[ ] Are not moving
5. Which is the most dense substance in this list?
[ ] Aluminium
[ ] Lead
[ ] Oxygen
[ ] Water
6. Which will have the highest boiling point?
[ ] Distilled water
[ ] Pure water
[ ] Salty water
[ ] Tap water
7. If you reduce the volume of a gas .......
[ ] It expands
[ ] It gets bigger
[ ] The pressure increases
[ ] The temperature falls
8. When a gas changes to a liquid, it .......
[ ] Boils
[ ] Condenses
[ ] Melts
[ ] Sublimes
9. When a smell spreads, particles move away from where they originated. This is called .......
[ ] Condensation
[ ] Diffusion
[ ] Dispersion
[ ] Evaporation
10. Which of these statements about solids is true?
[ ] They can be compressed easily
[ ] They do not flow
[ ] They have no definite volume
[ ] They take the shape of their container
Science: Middle School: Grades 6, 7 and 8 Quiz - Solids, Liquids and Gases 3 (Answers)
1. The state of matter which has very low density is .......
[x] Gas
[ ] Liquid
[ ] Solid
[ ] Solution
Hydrogen is the gas with lowest density
2. When a solid changes to a liquid, it .......
[ ] Boils
[ ] Condenses
[ ] Freezes
[x] Melts
Ice melts at 0° C
3. If matter has energy taken away .......
[x] It contracts
[ ] It expands
[ ] It vaporizes
[ ] Nothing happens
4. A balloon is filled with gas. Inside the balloon the gas particles .......
[ ] Are avoiding each other
[ ] Are moving slowly
[x] Are moving very quickly
[ ] Are not moving
5. Which is the most dense substance in this list?
[ ] Aluminium
[x] Lead
[ ] Oxygen
[ ] Water
The most abundant metal in the Earth's crust is Aluminium
6. Which will have the highest boiling point?
[ ] Distilled water
[ ] Pure water
[x] Salty water
[ ] Tap water
Pure water boils at 100° c
7. If you reduce the volume of a gas .......
[ ] It expands
[ ] It gets bigger
[x] The pressure increases
[ ] The temperature falls
8. When a gas changes to a liquid, it .......
[ ] Boils
[x] Condenses
[ ] Melts
[ ] Sublimes
9. When a smell spreads, particles move away from where they originated. This is called .......
[ ] Condensation
[x] Diffusion
[ ] Dispersion
[ ] Evaporation
10. Which of these statements about solids is true?
[ ] They can be compressed easily
[x] They do not flow
[ ] They have no definite volume
[ ] They take the shape of their container