Mixture or solution? Tell them apart
5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.5-PS1-4, NGSS.5-PS1-3 · England: KS2 Y5 Properties and changes of materials
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Date
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Question 1
Oil and water are shaken together, then left. What do you see?
- A. The water disappears.
- B. Two layers, with the oil floating on top.
- C. One clear liquid.
- D. The oil sinks to the bottom.
Question 2
True or false? A solution forms when a substance dissolves in a liquid.
- A. True
- B. False
Question 3
Is this a solution or a mixture that is not a solution: salt stirred into water?
- A. solution
- B. mixture that is not a solution
Question 4
Sand is stirred into water. After a few minutes, what happens?
- A. The sand dissolves completely.
- B. The sand turns into salt.
- C. The water turns into sand.
- D. The sand settles at the bottom.
Question 5
True or false? Oil dissolves completely in water.
- A. True
- B. False
Question 6
Is this a solution or a mixture that is not a solution: sugar in hot tea?
- A. solution
- B. mixture that is not a solution
Question 7
Sand is stirred into water. After a few minutes, what happens?
- A. The sand settles at the bottom.
- B. The sand dissolves completely.
- C. The sand turns into salt.
- D. The water turns into sand.
Question 8
True or false? Every mixture is a solution.
- A. True
- B. False
Question 9
Is this a solution or a mixture that is not a solution: instant coffee in hot water?
- A. solution
- B. mixture that is not a solution
Question 10
Which statement about every solution is true?
- A. It always has a solid at the bottom.
- B. It is always cloudy.
- C. It always has two layers.
- D. It is see-through, though it may be coloured.
Question 11
True or false? Oil dissolves completely in water.
- A. True
- B. False
Question 12
Is this a solution or a mixture that is not a solution: sugar in hot tea?
- A. solution
- B. mixture that is not a solution
Question 13
Sand is stirred into water. After a few minutes, what happens?
- A. The sand settles at the bottom.
- B. The sand turns into salt.
- C. The sand dissolves completely.
- D. The water turns into sand.
Question 14
True or false? Every mixture is a solution.
- A. True
- B. False
Question 15
Is this a solution or a mixture that is not a solution: sugar in hot tea?
- A. solution
- B. mixture that is not a solution
Question 16
Which statement about every solution is true?
- A. It always has a solid at the bottom.
- B. It is see-through, though it may be coloured.
- C. It always has two layers.
- D. It is always cloudy.
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