1) What is matter whit solids? a) Have a definite volumen and shape.They do not change size or shape in diferrent containers. b) Do not have a deffinite volume or a definite shape.They expand to fill their containers. c) Have a deffinite volume,but not a deffinite shape.They take the shape or different containers. 2) What is matter whit liquids? a) do not have a deffinite volume or a definite shape.They expand to fill their containers. b) Have a deffinite volume,but not a deffinite shape.They take the shape or different containers. c) Have a deffinite volume,but not a deffinite shape.They take the shape or different containers. 3) What is matter whit gases? a) Have a definite volumen and shape.They do not change size or shape in diferrent containers. b) Have a deffinite volume,but not a deffinite shape.They take the shape or different containers. c) do not have a deffinite volume or a definite shape.They expand to fill their containers. 4) We can use instruments to measure volumen? a) meter b) ninguna es correcta c) beaker and cylinder d) ninguna es correcta 5) Are de things solids? a) lakes, oceans b) clouds,steam c) ice cubes, snowflakes,glaciers d) ninguna es correcta 6) Are de things gases? a) clouds,steam b) ice cubes, snowflakes,glaciers c) lakes, oceans d) ninguna es correcta 7) Are de things liquids? a) ice cubes, snowflakes,glaciers b) lakes, oceans c) clouds,steam d) ninguna es correcta 8) Matter can change state. These are reversible changes. a) pencil b) balloon c) ice d) ninguna es correcta 9) These are reversible changes. a) balloon b) pencil c) gum d) ninguna es correcta 10) Thesev change are irreversible a) ballon b) liquid c) pencil d) ninguna es correcta 11) Combustion a) whit metal reacts whit oxigen, its rusts. b) when woods burn it react whit oxigen c) Ninguna es correcta 12) Oxidation a) ninguna es correcta b) when woods burn it react whit oxigen c) When metal reacts whit oxigen, its rusts. 13) Matter can change state? a) Ice 22º b) vapour 0º c) water 22º d) ninguna es correcta 14) Matter can change state? a) Ice 0º b) vapour 0º c) water 100º d) ninguna es correcta e) todas son correctas 15) Matter can change state? a) Ice 0º b) liquid 22º c) vapour 100º d) Todas son correctas e) ninguna es correcta 16) Water, sald, gold,diamond and oxigen are pure sustances a) Yes b) No 17) Are these thing pure sustancies? a) coffe, gold, salad b) pizza, shampoo, sugar 18) Methods sieving a) separates a mixture of solids and liquids b) separates a mixture of solids that have different size c) separates a solucion of a solid and a liquid d) separates a solucion of two different liquids e) ninguna es correcta 19) Methods filtration a) separates a solucion of two different liquids b) separates a solucion of a solid and a liquid c) separates a mixture of solids that have different size d) separates a mixture of solids and liquids e) niguna es correcta 20) Methods evaporation a) separates a solucion of a solid and a liquid b) separates a mixture of solids that have different size c) separates a solucion of two different liquids d) separates a mixture of solids and liquids 21) Methods distillation a) separates a solucion of a solid and a liquid b) separates a solucion of two different liquids c) separates a mixture of solids and liquids d) separates a mixture of solids that have different size 22) Wha is? a) thermal conductor b) thermal insulators  23) What is? a) thermal conductor b) thermal insulators

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