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WorksheetsChapter 07 - Particulate Model of Matter
Total questions: 19
Worksheet time: 10mins
These particles are held together be very strong forces of attraction
Solid
Liquid
Gas
It has no definite shape or volume
Solid
Liquid
Gas
Their particles are packed closely together without a fixed regular pattern
Solid
Liquid
Gas
particles _______ energy
particles lose energy
When particles are heated, they ______
Expand
Contract
Move faster
Slow down
When particles are cooled, they ______
Expand
Contract
Move faster
Slow down
What is the name given to change of state from a solid to a liquid?
melting
freezing
evaporating
condensing
Which statement best describes the fact that gases can be compressed?
The particles in a gas do not have a fixed volume.
The particles in a gas are very far apart.
The particles in a gas have no force of attraction (bonds) between them.
The particles in a gas are constantly moving very rapidly.
The three states of matter are represented by diagrams X, Y and Z. Which change occurs during condensation?
X to Y
X to Z
Y to X
Z to X
Gases are more compressible than liquids because particles in a gas:
are further apart than those in a liquid
are colourless and cannot be seen
have strong forces of attraction
are smaller than liquid particles
A pure substance has a melting point of 1°C and a boiling point of 61°C .
What is the state of the substance at room temperature?
Solid
Liquid
Gas
I don’t know what room temperature is.
