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Materials

Chapter 16

QuestionAnswer
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
Created by: PHealy
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