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Choose 1 answer
{"id":"70804fd1-897f-4476-b0d2-a121fa6c4f13","type":"multi-choice","weight":1,"dataJson":{"key":1,"prompt":"Water acts as a lens but things look distorted when you look at them through water. ","options":[{"label":"True","value":"True"},{"label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}
Choose 1 answer
{"id":"1b981820-4646-4a28-b26e-79ce20004a27","type":"multi-choice","weight":2,"dataJson":{"key":2,"prompt":"Lenses can only make things look bigger. ","options":[{"label":"True","value":"True"},{"label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}
Fill out the blanks
Select the missing words in the text.
{"id":"729b3d1a-f283-4175-8f30-e0bfa2b31379","type":"fill-in-blanks","weight":3,"dataJson":{"key":3,"prompt":"\u003cp\u003eFill out the blanks\u003c/p\u003e","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"}}}
Choose 1 answer
{"id":"0096b86d-61e8-4925-ae20-c33e98ae38ac","type":"multi-choice","weight":11,"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":[{"label":"magnifying glass","value":"magnifying glass"},{"label":"microscope","value":"microscope"},{"label":"binoculars","value":"binoculars"},{"label":"telescope ","value":"telescope "}],"limitChoices":{"max":1,"min":1},"validResponse":["microscope"]}}
Choose 1 answer
{"id":"c0be3147-f6b7-462c-85af-2ca0187849c1","type":"multi-choice","weight":15,"dataJson":{"key":15,"prompt":"Lenses in which of these helps us to see things very far away, in Outer Space?","options":[{"label":"microscope","value":"microscope"},{"label":"magnifying glass","value":"magnifying glass"},{"label":"bioculars","value":"bioculars"},{"label":"telescope","value":"telescope"}],"limitChoices":{"max":1,"min":1},"validResponse":["telescope"]}}
Look at the slide below to work out the answer.