1) ________________ is the amount of matter in an object. a) MASS b) VOLUME c) MATTER 2) ______________ is the amount of space an object occupies. a) MASS b) VOLUME c) MATTER 3) _________________ is anything in the Universe that has mass and volume. a) MASS b) VOLUME c) MATTER 4) A litre of water has the same mass as a litre of oil. a) TRUE b) FALSE 5) True or false: A kilogram of gold has less mass than a kilogram of salt. a) TRUE b) FALSE 6) Which state of matter has FIXED MASS but doesn't have FIXED VOLUME or FIXED SHAPE? a) Solid b) Liquid c) Gas 7) Which state of matter has FIXED SHAPE, FIXED VOLUME and FIXED MASS? a) Solid b) Liquid c) Gas 8) Which state of matter has FIXED VOLUME and FIXED MASS, but doesn't have a FIXED SHAPE? a) Solid b) Liquid c) Gas 9) Select the heterogeneous mixtures a) Coffee and sugar b) Paella c) Pizza d) Colacao e) Pizza base dough f) Salad 10) Select the homogeneous mixtures a) Coffee and sugar b) Paella c) Pizza d) Colacao e) Pizza base dough f) Salad 11) The process of transforming liquid water into vapour is called a) FREEZING/SOLIDIFICATION b) MELTING/FUSION c) EVAPORATION d) CONDENSATION 12) The process of transforming liquid water into solid ice is called a) FREEZING/SOLIDIFICATION b) MELTING/FUSION c) EVAPORATION d) CONDENSATION 13) The process of transforming solid ice into liquid water is called a) FREEZING/SOLIDIFICATION b) MELTING/FUSION c) EVAPORATION d) CONDENSATION 14) The process of transforming water vapour into liquid water is called a) FREEZING/SOLIDIFICATION b) MELTING/FUSION c) EVAPORATION d) CONDENSATION 15) Which type of chemical change reacts with oxygen or humidity and rusts the object? a) oxidation b) fermentation c) germination d) combustion 16) Which type of chemical reaction gives heat and light? a) oxidation b) fermentation c) germination d) combustion 17) Which chemical change reacts with a bacteria(microorganism)? a) oxidation b) fermentation c) germination d) combustion 18) Which of the two changes, doesn't affect the composition? a) chemical b) physical 19) Which type of rock is made when a rock undergoes heat and pressure? a) Igneous b) Sedimentary c) Metamorphic d) Volcanic 20) Which type of rock is made of little particles that are formed out of an erosion? a) Igneous b) Sedimentary c) Metamorphic d) Volcanic 21) Which type of rock comes out from a volcano? a) Igneous b) Sedimentary c) Metamorphic 22) Which are the characteristics of rocks? a) Way it appears on the ground b) Colour c) Aspect/texture d) Brightness e) Hardness f) Composition 23) Which are the properties of the minerals? a) Way it appears on the ground b) Colour c) Aspect/texture d) Brightness e) Hardness f) Density 24) Which is the inner and hottest layer of the geosphere? a) Crust b) Mantle c) Core 25) Which is the middle and thickest layer of the geosphere? a) Crust b) Mantle c) Core 26) Which is the outer and thinnest layer of the geosphere? a) Crust b) Mantle c) Core 27) How can I separate water and salt? a) Evaporation b) Filtration c) Decantation d) Distillation 28) How can I separate oil and water? (two liquids of different density)? a) Evaporation b) Filtration c) Decantation d) Distillation 29) How can I separate acetone? (two liquids that boil at different temperature)? a) Evaporation b) Filtration c) Decantation d) Distillation 30) How can I separate coffee particles? a) Evaporation b) Filtration c) Decantation d) Distillation

Unit 7 - 4th grade

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