{"type":"multi-choice","id":"73753","dataJson":{"key":0,"data":{"prompt":"When two gears grind together they rotate in opposite directions.","options":[{"key":0,"label":"True","value":"True","isCorrect":true},{"key":1,"label":"False","value":"False","isCorrect":false}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]},"prompt":"When two gears grind together they rotate in opposite directions.","options":[{"key":"0.3891673211301412","label":"True","value":"True","isCorrect":true},{"key":"0.020122333477675336","label":"False","value":"False","isCorrect":false}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}

{"type":"image-bucket","id":"73754","dataJson":{"key":1,"data":{"prompt":"","buckets":[{"key":"0","name":"worm gear"},{"key":"1","name":"bevel gear"}],"options":[{"key":0,"label":"","value":0,"bucket":"0","fileboyId":"a013f855-9069-4231-a77c-e3c5615c7531"},{"key":1,"label":"","value":1,"bucket":"0","fileboyId":"630b9728-bf09-48b1-aa44-b519e0eb2b86"},{"key":2,"label":"","value":2,"bucket":"0","fileboyId":"ef0a249c-6867-4903-be20-bc667e4cfc3d"},{"key":3,"label":"","value":3,"bucket":"0","fileboyId":"9ee85479-399a-4952-9b96-bb992a05dd6f"},{"key":4,"label":"","value":4,"bucket":"1","fileboyId":"5d33d37a-5b26-4201-85a4-6b1462cec80b"},{"key":5,"label":"","value":5,"bucket":"1","fileboyId":"2a15c55d-bf15-4d4d-8cb9-64cf1ac228af"},{"key":6,"label":"","value":6,"bucket":"1","fileboyId":"d6284bf9-f26e-4dfd-acb6-9802c2ed58de"},{"key":7,"label":"","value":7,"bucket":"1","fileboyId":"285fddcd-f9be-4f08-8b54-8e53affe49cd"}]},"prompt":"","buckets":[{"key":"0.363315381628985","name":"worm gear","old_key":"0"},{"key":"0.4713162279221894","name":"bevel gear","old_key":"1"}],"options":[{"key":"0.9430636677724858","label":"","value":"0","bucket":"0.363315381628985","fileboyId":"a013f855-9069-4231-a77c-e3c5615c7531"},{"key":"0.2804758795495319","label":"","value":"1","bucket":"0.363315381628985","fileboyId":"630b9728-bf09-48b1-aa44-b519e0eb2b86"},{"key":"0.08343794971536711","label":"","value":"2","bucket":"0.363315381628985","fileboyId":"ef0a249c-6867-4903-be20-bc667e4cfc3d"},{"key":"0.18206733900144378","label":"","value":"3","bucket":"0.363315381628985","fileboyId":"9ee85479-399a-4952-9b96-bb992a05dd6f"},{"key":"0.74805209638596","label":"","value":"4","bucket":"0.4713162279221894","fileboyId":"5d33d37a-5b26-4201-85a4-6b1462cec80b"},{"key":"0.7539283594499129","label":"","value":"5","bucket":"0.4713162279221894","fileboyId":"2a15c55d-bf15-4d4d-8cb9-64cf1ac228af"},{"key":"0.17235117079772255","label":"","value":"6","bucket":"0.4713162279221894","fileboyId":"d6284bf9-f26e-4dfd-acb6-9802c2ed58de"},{"key":"0.8777960182827784","label":"","value":"7","bucket":"0.4713162279221894","fileboyId":"285fddcd-f9be-4f08-8b54-8e53affe49cd"}]}}

{"type":"multi-choice","id":"73755","dataJson":{"key":2,"data":{"prompt":"In which of these every day objects would you expect to find gears.","options":[{"key":0,"label":"car","value":"car","isCorrect":true},{"key":1,"label":"mechanical clock","value":"mechanical clock","isCorrect":true},{"key":2,"label":"digital clock","value":"digital clock","isCorrect":false},{"key":3,"label":"tennis racket","value":"tennis racket","isCorrect":false},{"key":4,"label":"violin","value":"violin","isCorrect":true}],"limitChoices":{"max":3,"min":3},"validResponse":["car","mechanical clock","violin"]},"prompt":"In which of these every day objects would you expect to find gears.","options":[{"key":"0.9356881158388572","label":"car","value":"car","isCorrect":true},{"key":"0.5902884498790822","label":"mechanical clock","value":"mechanical clock","isCorrect":true},{"key":"0.25095105604885426","label":"digital clock","value":"digital clock","isCorrect":false},{"key":"0.5687128279032372","label":"tennis racket","value":"tennis racket","isCorrect":false},{"key":"0.14276119524142794","label":"violin","value":"violin","isCorrect":true}],"limitChoices":{"max":3,"min":3},"validResponse":["car","mechanical clock","violin"]}}

{"type":"multi-choice","id":"73756","dataJson":{"key":3,"data":{"prompt":"Which of the following are types of gear mechanisms?","options":[{"key":0,"label":"worm","value":"worm","isCorrect":true},{"key":1,"label":"beetle","value":"beetle","isCorrect":false},{"key":2,"label":"rack and pinion","value":"rack and pinion","isCorrect":true},{"key":3,"label":"knife and fork","value":"knife and fork","isCorrect":false},{"key":4,"label":"bevel","value":"bevel","isCorrect":true}],"limitChoices":{"max":3,"min":3},"validResponse":["worm","rack and pinion","bevel"]},"prompt":"Which of the following are types of gear mechanisms?","options":[{"key":"0.884654735846709","label":"worm","value":"worm","isCorrect":true},{"key":"0.7485848044160964","label":"beetle","value":"beetle","isCorrect":false},{"key":"0.822081326554066","label":"rack and pinion","value":"rack and pinion","isCorrect":true},{"key":"0.9796471548505044","label":"knife and fork","value":"knife and fork","isCorrect":false},{"key":"0.0048065261919968405","label":"bevel","value":"bevel","isCorrect":true}],"limitChoices":{"max":3,"min":3},"validResponse":["worm","rack and pinion","bevel"]}}

{"type":"multi-choice","id":"73757","dataJson":{"key":4,"data":{"prompt":"Three gears are meshed together in a line. The largest gear has 32 teeth, the one in the middle has 16, and the last and smallest gear has 8 teeth. If the largest gear rotates once, how many times will the smallest gear rotate? ","options":[{"key":0,"label":"2 times","value":"2 times","isCorrect":false},{"key":1,"label":"4 times","value":"4 times","isCorrect":true},{"key":2,"label":"32 times","value":"32 times","isCorrect":false}],"limitChoices":{"max":1,"min":1},"validResponse":["4 times"]},"prompt":"Three gears are meshed together in a line. The largest gear has 32 teeth, the one in the middle has 16, and the last and smallest gear has 8 teeth. If the largest gear rotates once, how many times will the smallest gear rotate? ","options":[{"key":"0.24940182594897486","label":"2 times","value":"2 times","isCorrect":false},{"key":"0.568115107287627","label":"4 times","value":"4 times","isCorrect":true},{"key":"0.27307761742259873","label":"32 times","value":"32 times","isCorrect":false}],"limitChoices":{"max":1,"min":1},"validResponse":["4 times"]}}

Answer incorrect

Look at the slide below to work out the answer.