Grade 7 Chapter 7 Bump Up Quiz
- 1.What was the purpose of the fan experiment with the perfume in class? (hint: same as what we discussed with making juice)
- 2.The particle theory involves all of these key ideas, EXCEPT ...
- A.
All substances have tiny particles
- B.
All particles in any substance are the same
- C.
All particles have spaces between them
- D.
All particles are attracted to one another
- 3.The particles are vibrating in place and the substance has a definite shape and volume. The state of matter is ...
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
Plasma
- 4.These particles do not form rigid clumps. They can slip past each other. Because of this the particles cannot hold their shape. The state of matter described is ...
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
Plasma
- 5.Milk is a substance that is fairly common. It should be classified as ...
- A.
Homogeneous
- B.
Mechanical Mixture
- C.
Pure Substance
- D.
Solution
- 6.A rock like material appears to be one colour - at a distance - but, upon careful examination, it has many different colours. It should be classified as ...
- A.
A pure substance
- B.
A mechanical mixture
- C.
A solution
- D.
Just a rock with different colors
- 7.When you look at a container of salt or a glass of distilled water it is a
- A.
Homogeneous mixture
- B.
Mechanical mixture
- C.
Mixture
- D.
A substance
- 8.Kinetic energy is the energy of movement. In solids, the particles
- A.
Move very fast
- B.
Move around each other
- C.
Never move
- D.
Vibrate
- 9.The particles of a pure substance are
- A.
The same
- B.
Different
- C.
Similar
- D.
Stick to each other
- 10.When you melt a chocolate bar, what actually happens to the chocolate particles?
- A.
They move closer together
- B.
They get excited and move further apart
- C.
The chocolate particles evaporate
- D.
The particles speed up so fast the collide and break apart
- 11.When you boil water for a hot drink, you see steam rising from the surface of the water. What is this an example of ?
- A.
Evaporation
- B.
Condensation
- C.
Sublimation
- D.
Steamanation
- 12.After you take a hot shower, you see water on the surface of the mirror in the bathroom. Changing state from a gas to a liquid is called...
- A.
Condensation
- B.
Evaporation
- C.
Sublimation
- D.
Boiling
- 13.We talked in class about evaporation. What happens when you boil salt water?
- A.
Water evaporates but the salt stays
- B.
Water boils
- C.
Water evaporates with the salt
- D.
Salt evaporates
- 14.How long did you study for this quiz?
- A.
10-20 min
- B.
20-40min
- C.
40-60min
- D.
I did not study at all
- 15.How did you study?
- A.
Used my notes
- B.
Used my study sheet that I made in class
- C.
Read through chapter 7
- D.
I did not study
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