Particles mixtures practise test
Science
7th Grade
Used 1+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not an example of a physical property of a substance?
Strength
Hardness
Toxicity
Colour
2.
CATEGORIZE QUESTION
1 min • 6 pts
Classify the following substances
Groups:
(a) Solid
,
(b) Liquid
,
(c) Gas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about kinetic energy?
Increasing kinetic energy causes gas particles to come closer together.
Heating matter increases the kinetic energy of the particles.
Solid particles have no kinetic energy.
Cooling matter causes liquid particles to move to the bottom of the container.
4.
DROPDOWN QUESTION
1 min • 3 pts
The particles of a (a) vibrate around a fixed point, while (b)
particles are able to move and slide over each other. The greatest distances however, are seen between (c) particles, which take up more space.
5.
REORDER QUESTION
1 min • 5 pts
Put in order the steps of a scientific report
Materials and methods
Introduction
Results
Conclusion
Discussion
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mass = density x volume
Calculate the mass of mercury.
We have 2mL of mercury (volume).
And its density is 13.6 g/mL.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The boiling point of acetone is known to be half of the boiling point of water.
What is its boiling point?
50
100
200
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