1) Which one does not use expansion or contraction due to heat in its function? a) Thermostat b) Thermometer c) Electric bulb d) Internal combustion engine 2) Which of the labeled directions 1, 2, 3 and 4 will the ray bend? a) 1 b) 2 c) 3 d) 4 3) Which statement describes how a vacuum flask helps to maintain temperature of the liquid constant? a)  P stops heat loss by conduction b) O stops heat loss by convection c) N prevents heat loss by conduction and convection d) M prevents heat loss by conduction and radiation 4) Which parts 1, 2, 3 and 4 contains oxygenated blood from the lungs? a) 1 and 4 b) 2 and 3 c) 3 and 4 d) 2 and 4 5) Which statement is correct on what happens at the end of the bronchiole in man?  a) Q is oxygen it diffuses into the blood b) Q is carbon dioxide it diffuses into the lungs c) R is carbon dioxide it diffuses into the blood d) R is oxygen it diffuses into lungs 6) What do we call a reaction where chemical energy is used from the surrounding? a) Chemical b) Endothermic c) Exothermic d) Physical 7) Which process is NOT done at a water treatment plant? removal and regulation of ... a) Undesirable chemicals b) Biological contamination c) Excess water temperature d) Suspended solids and gases 8) Which behavior help to prevent the spread of sexually transmitted infections (STIs)? a) Having multiple sexual partners b) Inconsistency in the use of condoms c) Engaging in unprotected sex d) Seeking medical check up and treatment 9) What happens to the diaphragm during inspiration? It a) Remains the same b) Straightens and flattens c) Relaxes and curves upwards d) Contracts and become dome shaped 10) What do we call the a form of matter made up of only one kind of atom? a) Element b) Mixture c) Molecule d) compound 11) Which one is not a characteristic of images formed by a plane mirror? a) Its laterally inverted b) Its smaller than the object c) It’s the same size as the object d) Its far from the mirror as the object is. 12) What are the two raw materials that a plant needs to produce starch? a) Oxygen and water b) Water and nitrogen c) Carbon dioxide and water d) Chlorophyll and sunlight 13) Which of the following is a nutritional deficiency disease? a) Anaemia b) Malaria c) Marasmus d) Rickets 14) Which two are effects of both water and air pollution? a) Unpleasant smell b) Global warming c) Outbreak of disease d) Difficulties in breathing 15) What change of state is shown at point Z? a) Boiling b) Condensation c) Evaporation d) Melting

End of year quiz integrated science Junior

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