WorksheetsPhysical Changes
Total questions: 15
Worksheet time: 9mins
Solids have...
a fixed shape and a fixed volume
a fixed shape but can change volume
No fixed shape but a fixed volume
no fixed shape or volume
The piece of equipment used to measure the mass of a substance or object is a ______________.
balance/scales
measuring cylinder
ruler
thermometer
Which state of matter can be compressed easily?
solid
liquid
gas
all of them
Silver
Melting point 961oC boiling point 2210oC
What state of matter will it be at 959oC?
Solid
Liquid
Gas
The melting point of gold is 1063 oC. What process happens to gold when liquid gold changes state to solid gold?
Evaporation
Melting
Freezing
Condensation
If a substance had a melting point of -12⁰C and a boiling point of 200⁰C what state would it be in at room temperature (around 20oC)?
Solid
Liquid
Gas
For what reason do liquids flow so easily?
Because the particles.....
are so tightly compacted to one another.
can slide past one another.
vibrate with one another.
are so far apart from one another.
Why does the liquid inside a thermometer rise?
When the thermometer heats up, the liquid inside ...... because the particles move about ........
expands, less quickly
expands, more quickly
contracts, less quickly
contracts, more quickly
At higher temperatures, the particles of a liquid
diffuse more slowly
diffuse more quickly
spread out more
continue to move at the same speed
condense more
We use this process to change water from solid to a liquid.
freezing
melting
evaporating
We use this process to change water from liquid to a gas
freezing
melting
evaporating
When a solid turns into gas is called
Sublimation
Reverse sublimation
Condensation
Melting
When a solid turns into gas is called
Sublimation
Reverse sublimation
Condensation
Melting
