WorksheetsYear 7 - Chemistry quiz
Total questions: 20
Worksheet time: 11mins
Which state of matter is this?
Solid
Liquid
Gas
Which state of matter is this?
Solid
Liquid
Gas
Which state of matter is this?
Solid
Liquid
Gas
Diffusion is when particles move from a (a) concentration to a low concentration.
Which state of matter has a fixed shape?
Liquid
Gas
Solid
In which state of matter do no particles touch?
Liquid
Gas
Solid
Which state of matter has particles which can move anywhere?
Liquid
Gas
Solid
Which states of matter can diffuse?
Liquid and gas
Gas and solid
Solid and liquid
Name the change in state labelled (A)
(Solid --> Liquid)
Freezing
Condensation
Melting
Evaporation
Name the change in state labelled (B)
(Solid --> Liquid)
Freezing
Condensation
Melting
Evaporation
Name the change in state when, more energy goes in, particles move more and forces between particles break.
Freezing
Evaporation
Which state of matter is more dense?
Solid
Liquid
Gas
Which state of matter can be compressed?
Solid
Liquid
Gas
How can the rate (speed) of diffusion be increased?
Increase temperature
Increase the size of the beaker
Add more water
When a physical change happens, the particles...
change.
stay the same.
sometimes change.
What is the law of conservation of mass.
The mass decreases after the experiment.
The mass increases after the experiment.
The mass will stay the same, before an after the experiment.
It's when we look after plants.
Which are examples of physical change?
What happens to the number of particles when wax is melted into a liquid?
The mass increases.
The mass stays the same.
The mass decreases.
Which state of matter is this?
Liquid
Solid
Gas
What happens to the energy of gas particles when they condense to a liquid?
The particles gain energy
The particles lose energy
The particles have the same energy
