1) What is this symbol? a) Bulb b) Motor c) Voltmeter d) Fuse e) Ammeter f) Battery 2) Chlorine is a good example of which state of matter? a) Solid b) Liquid c) Gas 3) My substance is easy to squash, can be poured and is able to change shape: what is it? a) Solid b) Liquid c) Gas 4) What component is this symbol showing? a) LED b) Diode c) Buzzer d) Switch 5) Lights are brighter in which type of circuit? a) Parallel b) Series 6) Which food group is used for insulation as well as an energy store? a) Protein b) Carbohydrates c) Fats d) Fibre 7) Kerry wants to measure the voltage of her circuit, what symbol is missing from her diagram? a) LED b) Voltmeter c) Ammeter d) Motor 8) Fruit and Veg are essential for a healthy diet because they contain what? a) Carbohydrates b) Protein c) Vitamins and Minerals d) Fats 9) Which food group does fish belong to? a) Carbohydrates b) Dairy c) Protein d) Vitamins and Minerals 10) New substances are formed in which type of reaction? a) Reversible b) Endothermic c) Irreversible d) Exothermic 11) Bromine is one of two elements which are in which state? a) Solid b) Liquid c) Gas 12) In a series circuit, if a bulb breaks what happens to the other bulbs? a) They get brighter b) They get dimmer c) They go out d) Nothing 13) A plant requires three things in order to perform photosyntesis, what are they? a) Oxygen, Sugar and Water b) Carbon Dioxide, Water and Oxygen c) Sugar, Carbon Dioxide and Sunlight d) Sunlight, Carbon Dioxide and Water 14) My substance is very difficult to squash, can be poured and is able to change shape: what is it? a) Solid b) Liquid c) Gas 15) Which of these shows a reversible reaction? a) water freezing into ice b) Frying an egg c) Burning some toast d) Mixing concrete 16) What signs do we look for that indicate a reaction has taken place? a) Colour change b) Gas given off c) Change in temperature d) All of the above 17) My substance is very difficult to squash, can't be poured and is unable to change shape: what is it? a) Solid b) Liquid c) Gas 18) Flowering plants and Trees belong to which group of plants? a) Plants with seeds b) Woody plants c) Plants without seeds d) Flowering plants 19) A substance which lets electrons flow trough it is known as a.... a) Insulator b) Conductor c) Coordinator 20) Bread contains starch which can be tested for by appling a few drops of which chemical? a) Bromine b) Biuret Solution c) Iodine d) Salt solution 21) An element.... a) Is made up of only one type of atom b) Contain two or more atoms, chemically joined. c) Contain two or more different atoms. 22) Which of these is an irreversible reaction? a) Boiling water b) Burning wood c) Melting an ice cube d) Dissolving salt in water 23) A good example of the food group Carbohydrates is? a) Steak b) Yoghurt c) Bread d) Bran 24) Which electric component does this symbol represent a) Bulb b) Motor c) Resistor d) Buzzer e) Battery f) Cell 25) Which food group is essential but only required in small doses? a) Protein b) Carbohydrates c) Fats d) Vitamins and Minerals

End of topic test Science of Xmas

by Anonymous
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