Matter (Set 2)
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Please choose the best answer for each question.
- 1. Which of the following is not an application of density in our daily life?
- A) Floating log in the river
- B) The raft as a means of transport
- C) Using buoys to help a child learn swimming
- D) Using mercury in a thermometer
- 2. Which of the following is not matter?
- A) Kerosene
- B) Sound
- C) Oxygen
- D) Water
- 3. When a piece of ice melts. there are changes
- A) in the movements of the water molecules
- B) in the size of water molecules
- C) to the number of atoms in the water molecules
- D) in the mass of the water molecules
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