JJO AQA Particle Model 1 Flashcards
Density =
mass/volume
What is the unit we use for density?
kg/m3 (kilograms per meter cubed)
What is the unit we use for volume?
m3 (meters cubed)
What state of matter is shown in this particle model?
Solid
What state of matter is shown in this particle model?
Liquid
What state of matter is shown in this particle model?
Gas
What is wrong with the particle model of a liquid shown below?
There particles in a liquid are touching: There are no spaces between the particles in a liquid.
In which state/s of matter are the particles moving?
Describe the movement of the partcles
Solids: The particles are vibrating
Liquids: The particles are moving around each other
Gases: the particles can move in any direction
Which states of matter can be compressed (squashed to fill a smaller volume)?
Gases
Solids and liquids cannot be compressed as the particles are already touching each other.
In which states of matter are there bonds between the particles?
Solids and liquids
Which states of matter have a fixed density?
Fixed means it cannot be changed
Solids and liquids because they can’t be compressed. The particles are already touching each other.
In which state/s of matter can substances flow?
Liquids and gases
Boiling is when
A liquid changes to a gas
Evaporation is when..
A liquid changes to a gas
Freezing is when..
A liquid changes to a solid
Melting is when…
A solid changes to a liquid
Condensation is when…
A gas changes to a liquid
Sublimation is when…
A solid changes to a gas
If you freeze 1 kg of water, what will happen to its mass?
The mass wil stay the same: you will have 1 kg of ice
Because changing state does not change mass.
If you boil 1 kg of water, what will happen to its mass?
Explain your answer
The mass wil stay the same: you will have 1 kg of steam
Because changing state does not change mass.
