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WorksheetsYear 8 - Whats The Matter 2 Revision 1
Total questions: 55
Worksheet time: 28mins
Particles in solids are
Close together and vibrating, and held in position
Close together but free to move around
Far apart and moving fast
How is most of Earth's fresh water stored?
As groundwater
In lakes and rivers
As ice in polar ice caps and glaciers
As water vapour in the atmosphere
Steam is often described as the gas state of water. Why must this be incorrect?
Steam is not a form of water
Steam is white but water vapour is blue
Steam is visible but water vapour is invisible
Water does not have a gas state
What is the correct definition of volume?
How much matter is in an object, measured in kilograms
Can't be squeezed into a smaller space
Changes shape easily and flows
How much space something takes up, measured in litres
What is the correct definition of mass?
How much matter is in an object, measured in kilograms
Does not change shape easily
Changes shape easily and flows
How much space something takes up, measured in litres
What is the correct definition of fluid?
Can't be squeezed into a smaller space
Changes shape easily and flows
To squeeze or squash
How much space something takes up, measured in litres
What is the correct definition of incompressible?
To squeeze or squash
How much space something takes up, measured in litres
Does not change shape easily
Can't be squeezed into a smaller space
Which statements best describes the properties of a gas?
Rigid and can't be compressed
Fluid that finds lowest place in container
Fluid that expands or compresses to fill a container
Which statement best describes the properties of liquids?
Rigid and can't be compressed
Fluid that finds lowest place in a container
Fluid that expands or compresses to fill a container
Which statements about gases are true?
They are fluids that change shape depending on their container
Their particles are slow
They don't tend to fill up the entire space of a container
Their volume is fixed
Identify the change of state from solid to gas
Deposition
Sublimation
Solidification
Evaporation
Identify the change of state from gas to solid
Sublimation
Evaporation
Condensation
Deposition
Identify the change of state from liquid to gas
Melting
Evaporation
Condensation
Solidification
Identify the change of state from gas to liquid
Deposition
Condensation
Sublimation
Evaporation
Identify the change of state from liquid to solid
Solidification
Deposition
Evaporation
Condensation
Identify the change of state from solid to liquid
Evaporation
Condensation
Sublimation
Melting
When solidification occurs, what happens to the particles?
Loses energy
Gains energy
When deposition occurs, what happens to the particles?
Gains energy
Loses energy
When condensation occurs, what happens to the particles?
Loses energy
Gains energy
When melting occurs, what happens to the particles?
Loses energy
Gains energy
When sublimation occurs, what happens to the particles?
Loses energy
Gains energy
When evaporation occurs, what happens to the particles?
Loses energy
Gains energy
Which of the following changes in state happen when a substance is heated?
Condensation
Sublimation
Deposition
Which of the following changes in state happen when a substance is heated?
Evaporation
Deposition
Condensation
Solidification
Which of the following changes in state happen when a substance is cooled?
Sublimation
Evaporation
Deposition
Melting
Which of the following changes in state happen when a substance is cooled?
Sublimation
Evaporation
Melting
Solidification
Particles in a gas are:
Far apart and moving fast
Close together but free to move around
Close together and vibrating, and held in position
The arrangement of particles in liquids are
Random
Fixed
The arrangement of particles in solids are
Random
Fixed
What statement best describes the particle model?
All matter is made up of tiny particles
Tiny particles are used to show models
All matter is made up of an irregular substance
Protons and electrons are in the centre of the nucleus of every atom
which of the following is not part of the main ideas of the particle model?
All matter is made up of tiny particles
Particles have energy and are always moving or vibrating
A force of attraction tends to hold particles together
The nucleus is in the centre of the atom
How does the particle model explain the fact that liquids cannot be compressed?
The particles in a liquid are moving too fast
The particles in a liquid are close together
The particles in a liquid are held in fixed positions
Particles cannot be compressed
Which statements don't describe how the particles behave in liquids and gases?
They are perfectly still
They move freely around each other
In a liquid the particles stay close together
In a gas the particles spread out to fill the container
As a liquid evaporates into a gas, the particles:
Stop moving
Spread apart to fill the container
Move closer together
According to the particle model, as particles increase in energy they:
Increase in speed & tend to stick together less
Decrease in speed & tend to stick together more
Decrease in speed
Tend to stick together more
When a solid is heated but has not yet melted, the particles:
Spread apart to fill the container
Vibrate slower
Vibrate faster
Which statements are true for gases but not for liquids?
They can change volume when put in a different container
They are both fluids
They change shape depending on their container
They don't tend to fill the entire space of their container
According to the particle model, what keeps particles close together?
The small size of particles
High levels of energy
A force of attraction
The vibrations of particles
Ice cream melts when its particles:
Lose energy, slow down, and move into fixed positions
Gain energy, vibrate more, and begin to move around each other
Gain energy, speed up, and move far away from each other
Lose energy, vibrate more, and begin to move around each other
What is a chemical element?
A substance made up of only one type of atom
A mixture of different types of atoms
Any substance in which the atoms are too small to see
A substance made out of carbon
A chemist heats up some pure ammonia to very high temperature and finds that it breaks down into two other gases, is it considered an element?
Yes because it has multiple types of elements within it
Yes because it is a pure chemical
No because it has multiple types of elements within it
Xenon is an element. What type of atoms is it made out of?
Xenon atoms
Krypton atoms
Xenon and krypton atoms
Mixture of 3 chemicals
Elements can exist in 3 structures, what are they?
Atoms, organisations and elements
Atoms, molecules and lattices
Elements, lattices and organisations
Molecules, organisations and elements
Phosphorus is an element in which the atoms often bond together in groups of four. What is each group called?
An atom
A Lattice
An element
A molecule
What is one of the properties of noble gases?
Single atoms
Regular lattices
Molecule
Which of the following elements have a lattice structure?
Gold
Neon
Chlorine
Hydrogen
Which of the following elements have a lattice structure?
Krypton
Sodium
Xenon
Sulfur
What element at room temperature exists as both a metal and liquid?
Bromine
Tin
Berylium
Mercury
Which properties are typical of metals?
Shiny or glossy
Dull or matt
Brittle
Between what 2 states of matter does melting occur?
Solids and liquids
Liquids and Gases
Solids and gases
Between what 2 states of matter does boiling occur?
Solid and liquid
Gas and liquid
Gas and solid
Both molecules and lattices are formed by chemical bonds between atoms. What is the difference between them?
Molecules make up metal elements, lattices make up non-metal elements
Molecules contain atoms of the same element, lattices contain atoms of different elements
Molecules form solids, lattices form liquids and gases
Molecules are small groups, lattices are continuous frameworks
In all elements, atoms are joined together by chemical bonds
True
False
What is the universal standard for element symbols?
One capital letter followed by another capital letter
One lower case letter following by a capital letter
One capital letter followed by a lower case letter
Both capital letters
What is the chemical symbol for iron?
Ir
Fe
IR
FE
