Year 8 Science
You will answer questions about solids, liquids, gases, the particle theory, density, expansion, contraction, air pressure, diffusion and matter
- 1.
Explain diffusion
- 2.
Explain Density
- 3.
Name the change of state the occurs when: a. dew drops forms on the grass b. a bottle of perfume is opened and can be smelt on the other side of the room c. a puddle of water on the road disappears when the sun shines d. lava flows from a volcano and slowly forms a rock called basalt
- 4.
What is the formulae for density?
- A.
Volume/mass
- B.
Mass x volume
- C.
Mass/volume
- D.
Density/volume
Correct Answer
C. Mass/volume -
- 5.
All matter has a mass and ______________
Correct Answer
occupies space - 6.
A solid can go straight to gas form without becoming a liquid
- A.
True
- B.
False
Correct Answer
A. True -
- 7.
Check which statements about the particle theory of matter are correct
- A.
All particles are still
- B.
All particles are always moving
- C.
All particles have spaces between them
- D.
All particles have attractive forces between them some weak and some strong
- E.
All matter is made of tiny particles to small to see
- F.
All particles are made of matter to small to see
- G.
Matter has more energy when the temperature is higher compared to when it is lower
Correct Answer(s)
B. All particles are always moving
C. All particles have spaces between them
D. All particles have attractive forces between them some weak and some strong
E. All matter is made of tiny particles to small to see
G. Matter has more energy when the temperature is higher compared to when it is lower -
- 8.
What is density measured in?
- A.
Grams per cubic centimetre
- B.
Cubic centimeter per 100 grams
- C.
Mass on grams
Correct Answer
A. Grams per cubic centimetre -
- 9.
The density go water is 1g/cm3
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
The boiling point of water is 100 decrease Celsius
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
When matter is heated particles gain energy, these particles require more space and the matter expands when the matter cool the particles lose energy and require less space so the matter gets smaller (or contracts).
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
When a liquid is heated it has less energy and moves slower
- A.
True
- B.
False
Correct Answer
B. False -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Apr 01, 2014Quiz Edited by
ProProfs Editorial Team -
Apr 01, 2014Quiz Created by
Phsa217
Back to top