7 States Of Matter
12 Questions
| Attempts: 1042
Year 7 Science test in the area of states of matter, particle theory and properties of water
Questions and Answers
- 1.All matter is made up of tiny particles.
- A.
True
- B.
False
- 2.Liquids do not move well because their particles are held together strongly.
- A.
True
- B.
False
- 3.Oxygen is an example of a gas.
- A.
True
- B.
False
- 4.You need mass and weight to calculate the density of an substance.
- A.
True
- B.
False
- 5.The skin that is created on the surface of water is called buoyancy.
- A.
True
- B.
False
- 6.Forces in science can be represented by ____________________.
- 7.A force can be a
- A.
Push
- B.
Pull
- C.
Twist
- D.
All of the above
- 8.When water changes from a solid to a liquid the molecules
- A.
Expand
- B.
Contract
- C.
Shrink
- D.
Link up closer
- 9.When a liquid changes to a gas this process is occuring?
- A.
Condensation
- B.
Evaporation
- C.
Freezing
- D.
Melting
- 10.If an object is less dense than water, it will sink in water.
- A.
True
- B.
False
- 11.Choose the correct descriptions for a gas:
- A.
Their particles are not held together at all.
- B.
Their particles can roll over one another.
- C.
Their particles are free to move.
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