Which of these has the least densely-packed particles?
50%
Solids
0%
Liquids
0%
Gases
50%
Both liquids and gasses
Q.2.
When a liquid cools enough it becomes a solid. What do we call this process?
0%
Evaporating
50%
Condensing
50%
Freezing
0%
Dissolving
Q.3.
What is the freezing point of water?
0%
-55o C
0%
-12o C
50%
0o C
50%
32o C
Q.4.
Which of these is true of solids?
50%
Solids can be cut or shaped
50%
A solid expands to fill its container
0%
Solids will stay the same shape and size unless acted upon by a force
0%
Solids can be grasped (held on to)
Q.5.
Which has the most densely-packed particles?
0%
Solids
50%
Liquids
0%
Gases
50%
Particles are equally dense in solids, liquids and gasses
Q.6.
When a solid is heated, it changes into a liquid. What do we call this process?
0%
Condensing
0%
Freezing
67%
Dissolving
33%
Melting
Q.7.
When you fill a jug with sugar, it appears to have the same shape as the jug. You can also tip sugar from one container to another. Is sugar a solid, a liquid or a gas?
33%
A liquid
0%
A solid
0%
A gas
67%
A condensed gas
Q.8.
What is the boiling point of water?
0%
0o C
0%
50o C
0%
100o C
100%
212o C
Q.9.
Which of these is true of gasses?
50%
Unless held in a sealed container, gasses keep expanding in volume
0%
A gas takes the same shape as its container
0%
A gas will have the same volume as its container
50%
Gasses can be poured from one container to another
Q.10.
Which of these is true of liquids?
33%
The shape of a liquid does not change
33%
A liquid takes the shape of its container
33%
Liquids are runny and can be poured
0%
The volume of a liquid does not change
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