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6 Matter
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[ Hardness / Elasticity / Density ] is the amount of mass per unit of volume in an object.
Density
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They are testing for [ hardness / elasticity / magnetic properties / density / solubility ].
solubility
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They are testing for [hardness / elasticity / magnetic properties / density / solubility ].
hardness
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[ Homogenous mixtures / Heterogenous mixtures / Pure substances ] only consist of one type of matter.
Pure substances
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[ Solubility / Melting point / Boiling point ] is the temperature at which a solid changes to liquid.
Melting point
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Metal is a heat [ conductor / insulator ].
conductor
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Wool is a heat [ conductor / insulator ].
insulator
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They are testing for [ hardness / elasticity / magnetic properties / density / solubility ].
elasticity
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[ Hardness / Elasticity / Density ] is the measure of an object's ability to return to its original shape after being deformed.
Elasticity
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Gold is an electrical [ conductor / insulator ].
conductor
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Atoms join together to form _______________.
molecules
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Sea water is a [ heterogenous / homogenous ] mixture.
homogenous
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Matter can be found in [ 1 / 2 / 3 / 4 / 5 ] different states.
3
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Sand is a [ heterogenous / homogenous ] mixture.
heterogenous
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[ Hardness / Elasticity / Density ] is the measure of how resistant to pressure or scratching an object is.
Hardness
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Oil is [ soluble / insoluble ] in water.
insoluble
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[ Mass / Volume ] is the amount of matter in an object.
Mass
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[ Solubility / Melting Point / Boiling Point ] is the ability of a substance to dissolve in another substance.
Solubility
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[ Solubility / Melting point / Boiling point ] is the temperature at which a liquid changes to gas.
Boiling point
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Sugar is [ soluble / insoluble ] in water.
soluble
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[ Mass / Volume ] is the amount of space an object occupies.
Volume
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