{"type":"image-bucket","id":"77773","dataJson":{"prompt":"Place the items into the correct bucket - those which are used to send sound and those that receive it.","buckets":[{"key":"0.5776915922995515","name":"sound senders","old_key":"0"},{"key":"0.058692540603523136","name":"sound receivers","old_key":"1"}],"options":[{"key":"0.8281065881691281","label":"loudspeaker","value":"loudspeaker","bucket":"0.5776915922995515","fileboyId":"df5cbc96-045e-4427-8c76-7068c98e267c"},{"key":"0.7538586864615955","label":"voice","value":"voice","bucket":"0.5776915922995515","fileboyId":"fc76ae83-962a-4818-a64e-075a7d1d7818"},{"key":"0.004721194389666672","label":"tuning fork","value":"tuning fork","bucket":"0.5776915922995515","fileboyId":"85fb66b3-5464-451e-b2f9-04a23660aa26"},{"key":"0.376224123058435","label":"megaphone","value":"megaphone","bucket":"0.5776915922995515","fileboyId":"b0ec8562-8e99-4b03-8644-56ae4675c2c3"},{"key":"0.7556280061603002","label":"bat detector","value":"bat detector","bucket":"0.058692540603523136","fileboyId":"21c48e5e-416f-4c4e-aca8-555291038b28"},{"key":"0.8362467859563989","label":"parabolic reflector","value":"parabolic reflector","bucket":"0.058692540603523136","fileboyId":"85ecbd78-9c58-4512-908c-1063522ba778"},{"key":"0.5709187781791014","label":"ear","value":"ear","bucket":"0.058692540603523136","fileboyId":"30f8ee78-d59b-4d39-a7db-de07868f110a"},{"key":"0.027526416574074286","label":"microphone","value":"microphone","bucket":"0.058692540603523136","fileboyId":"c751717c-df5d-40d2-a1a4-350ba9e80bfd"}]}}

{"type":"sort-list","id":"77774","dataJson":{"key":2,"prompt":"The speed of sounds. Sort these in order of the speed with which sound travels through them, starting with the fastest.","options":[{"key":0,"label":"rock","value":"rock"},{"key":1,"label":"sea","value":"sea"},{"key":2,"label":"atmosphere","value":"atmosphere"}],"validResponse":["rock","sea","atmosphere"],"fileboyImageId":"","shuffleOptions":true}}

{"type":"multi-choice","id":"77775","dataJson":{"prompt":"Sound waves spread out as they travel away from the source. What is this known as?","options":[{"key":"0.12677494455037297","label":"Attraction","value":"Attraction"},{"key":"0.7428619994980404","label":"Diffraction","value":"Diffraction"},{"key":"0.7601458834557888","label":"Repulsion","value":"Repulsion"}],"limitChoices":{"max":1,"min":1,"sameNumberAsCorrectAnswers":true},"validResponse":["Diffraction"]}}

{"type":"multi-choice","id":"77776","dataJson":{"prompt":"In which of the following can sound travel?","options":[{"key":"0.6324524147458614","label":"air","value":"air"},{"key":"0.8811420307233747","label":"water","value":"water"},{"key":"0.6731138643064608","label":"solids","value":"solids"},{"key":"0.8283669678320156","label":"vacuum","value":"vacuum"}],"limitChoices":{"max":3,"min":3},"validResponse":["air","water","solids"]}}

{"type":"multi-choice","id":"77777","dataJson":{"prompt":"What shape is useful when trying to capture sounds? (hint: think of our ears and owls faces)","options":[{"key":"0.8563753091503454","label":"a dish","value":"a dish"},{"key":"0.4535424612665122","label":"a square","value":"a square"},{"key":"0.4273292519758425","label":"a sphere","value":"a sphere"}],"limitChoices":{"max":1,"min":1,"sameNumberAsCorrectAnswers":true},"validResponse":["a dish"]}}

Answer incorrect

Look at the slide below to work out the answer.