Question | Answer |
matter is anything.... | which occupies space and has mass |
mass is the ... | amount of matter in anything |
mass is measured in ... | grams |
solids have a definite | shape and volume |
solids and liquids cannot be | compressed |
solids cannot | flow |
liquids and gases | can flow |
liquids and gases have no | definite shape |
gases can be | compressed |
gas particles are free to | move in all directions |
volume is the .. | amount of space something takes up |
another name for a particle is ... | an atom or a molecule |
when a solid changes to a liquid this is called. | melting |
when a liquid changes to steam this is called.. | boiling |
when steam changes to water this is called | condensing |
when water changes to ice this is called.. | freezing |
if a liquid changes to a gas slowly this is called.. | evaporating |
diffusion is the movement of particles from an area of.. | high concentration to an area of low concentration |
The three states of matter are | Solids,liquids and gases |
both liquids and gases can flow, they are said to be | fluids |
diffusion is | the spreading out of materials due to the movement of their particles |
to find the mass of an object use a | scales or balance |
the particle theory is used to | explain the properties of solids liquids and gases |
an aluminium block is used to | finding the melting point of a substance |
the melting point of ice is | zero degrees celsius |