1) Everything around us is made of... a) matter b) gas c) water 2) It has a definite shape and definite volume. a) Solid b) Liquid c) Gas 3) It has a definite volume but they don't have a definite shape. a) Solid b) Liquid c) Gas 4) It doesn't have a definite shape or a definite volume. a) Solid b) Liquid c) Gas 5) Water can be found in three states: a) Liquid, gas and solid. b) Matter, solid and liquid. c) Gas, matter and liquid. 6) In which state is the water? a) Solid b) Liquid c) Gas 7) In which state is the water? a) Solid b) Liquid c) Gas 8) In which state is the water? a) Solid b) Liquid c) Gas 9) In which state is the water? a) Solid b) Liquid c) Gas 10) If we freeze water, the liquid changes into... a) solid b) liquid c) gas 11) If we heat water, the liquid changes into... a) solid b) liquid c) gas 12) If we cool water vapour, it condenses into... a) solid b) liquid c) gas 13) The sun produces... a) thermal energy b) sound energy c) kinetic energy 14) What form of energy is it? a) thermal energy b) sound energy c) kinetic energy d) light energy 15) What form of energy is it? a) thermal energy b) sound energy c) kinetic energy d) light energy 16) How can we separate this mixture? a) Evaporation b) Sieving c) Filtering 17) How can we separate this mixture? a) Evaporation b) Sieving c) Filtering 18) How can we separate this mixture? a) Evaporation b) Sieving c) Filtering 19) Are metals conductors or insulators of thermal energy? a) Conductor b) Insulator 20) Is wood a conductor or an insulator of thermal energy? a) Conductor b) Insulator 21) Is wool a conductor or an insulator of thermal energy? a) Conductor b) Insulator

NATURAL SCIENCE 3º UNIT 5 REVIEW

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