{"type":"multi-choice","id":"71089","dataJson":{"key":1,"prompt":"Water acts as a lens but things look distorted when you look at them through water.","options":[{"key":"0.22757300301872097","label":"True","value":"True"},{"key":"0.888142141066232","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}

{"type":"multi-choice","id":"71090","dataJson":{"key":2,"prompt":"Lenses can only make things look bigger.","options":[{"key":"0.8364392836856646","label":"True","value":"True"},{"key":"0.8427895437280665","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}

{"type":"fill-in-blanks","id":"71091","dataJson":{"key":3,"prompt":"Fill out the blanks","options":{"book":[{"label":"book","value":"book"},{"label":"air","value":"air"},{"label":"source","value":"source"}],"lens":[{"label":"air","value":"air"},{"label":"lens","value":"lens"},{"label":"water","value":"water"}],"course":[{"label":"temperature","value":"temperature"},{"label":"course","value":"course"},{"label":"size","value":"size"}],"curved":[{"label":"bent","value":"bent"},{"label":"flat","value":"flat"},{"label":"straight","value":"straight"},{"label":"curved","value":"curved"}],"larger":[{"label":"smaller","value":"smaller"},{"label":"larger","value":"larger"}],"transparent":[{"label":"translucent ","value":"translucent "},{"label":"transparent","value":"transparent"},{"label":"opaque","value":"opaque"}]},"template":"A lens is a {{curved}} piece of {{transparent}} material. The curve makes the light rays change {{course}}. When you hold a magnifying glass to a book, the light rays coming from the {{book}} have travelled through the {{lens}} and appear {{larger}} to your eyes. ","validResponse":{"book":"book","lens":"lens","course":"course","curved":"curved","larger":"larger","transparent":"transparent"}}}

{"type":"multi-choice","id":"71092","dataJson":{"key":11,"prompt":"Lenses in which of these helps us to see tiny things close up - things we can't even see with our naked eye?","options":[{"key":"0.257652623844317","label":"magnifying glass","value":"magnifying glass"},{"key":"0.023816635878550096","label":"microscope","value":"microscope"},{"key":"0.7146790988512861","label":"binoculars","value":"binoculars"},{"key":"0.4655327374655567","label":"telescope ","value":"telescope "}],"limitChoices":{"max":1,"min":1},"validResponse":["microscope"]}}

{"type":"multi-choice","id":"71093","dataJson":{"key":15,"prompt":"Lenses in which of these helps us to see things very far away, in Outer Space?","options":[{"key":"0.3584628480295863","label":"microscope","value":"microscope"},{"key":"0.392812042183881","label":"magnifying glass","value":"magnifying glass"},{"key":"0.4947517491499617","label":"bioculars","value":"bioculars"},{"key":"0.6463272372006115","label":"telescope","value":"telescope"}],"limitChoices":{"max":1,"min":1},"validResponse":["telescope"]}}

Answer incorrect

Look at the slide below to work out the answer.