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Science Grade 8
Test Description: Science grade 8
Instructions: Answer all questions to get your test result.
1) Melting and evaporation - When a solid is heated
A
All
B
It reaches melting point
C
It will change to a liquid
D
None
2) What is the gaseous state sometimes called
A
VapourMax
B
Evaporation
C
Vapour Phase
D
None
3) Vapour phase happens
A
When a liquid evaporates
B
When gases are formed
C
none
D
When a liquid solidifies
4) Difference between Evaporation and Boiling - Evaporation
A
All
B
Evaporation occurs on the surface of the liquid
C
Evaporation takes place at all temperatures
D
None
5) Difference between Evaporation and Boiling - Boiling
A
Bubbles form in the liquid
B
All
C
Boiling occurs throughout the entire liquid
D
Boiling occurs at a specific temperature (Called Boiling Point)
6) When gas changes to a liquid it is called what state
A
Condensation
B
None
C
Persipertation
D
Evaporating
7) Is condensation the opposite of evaporation?
A
No
B
Maybe
C
-
D
Yes
8) When temperature of a gas is lowered
A
It takes energy from the gas particle
B
-
C
It provides more energy
D
It allows the particles to move faster
9) When you cool a liquid
A
All
B
You are removing energy
C
You are not adding or taking away energy
D
You are adding energy to it
10) When liquid particles loose energy their movement
A
Increases
B
Slows down
C
None
D
Stays the same
11) When the liquid loses energy the particles no longer move freely
A
The liquid has solified
B
The liquid has melted
C
The liquid has condensed
D
The liquid has evarporated
12) What does MASS tell you about Matter?
A
Small amounts are measured in (g) or (mg)
B
All
C
Mass is measured in Kilograms
D
How much the mass of an object
13) What does VOLUME tell us about matter?
A
Volume tells us how much Space is taken up
B
Calculated by multiplying length, width and height
C
All
D
Volume is measured in Litres
14) What does DESTINY tell us about Matter
A
Destiny is the ratio of mass TO volume
B
None
C
All
D
How tightly packed
15) Is liquid state less dense than solid state?
A
True
B
No
C
False
D
-
16) The solid state of water (ICE) is less dense than liquid.
A
All
B
None
C
True
D
Ice in the water molecules are packed in a unique way
17) Can gases be compressed?
A
Yes, particles can be squeezed closer together to fit into smaller volume
B
Yes, particles can be squeezed closer together to fit into smaller density
C
Yes, particles can be squeezed closer together to fit into smaller mass
D
All
18) Oil and water are known as ________ when mixed together
A
Mixture
B
Immiscible
C
Mixable
D
None
19) When oil and water separate this is known as PHASES
A
Water phase
B
Oil phase
C
None
D
Both
*select an answer for all questions
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