{"type":"multi-choice","id":"73903","dataJson":{"key":1,"prompt":"Is the following statement True or False? All magnets have a south pole and a north pole.","options":[{"key":"0.5791711713301717","label":"True","value":"True"},{"key":"0.6354299153331908","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}

{"type":"fill-in-blanks","id":"73904","dataJson":{"prompt":"Fill in the blanks.","options":{"repel":[{"label":"repel","value":"repel"},{"label":"attract","value":"attract"}],"attract":[{"label":"repel","value":"repel"},{"label":"attract","value":"attract"}]},"template":"Complete the following sentence: When two magnets are brought together, the like poles {{repel}} each other whereas the opposite poles {{attract}} each other.","validOptions":["repel","attract"],"validResponse":{"repel":"repel","attract":"attract"}}}

{"type":"multi-choice","id":"73905","dataJson":{"key":11,"prompt":"Which of the following metals are magnetic?","options":[{"key":"0.7456244016471448","label":"Iron","value":"Iron"},{"key":"0.46435546327222477","label":"Nickel","value":"Nickel"},{"key":"0.09448178055577816","label":"Gold","value":"Gold"},{"key":"0.1944339143507342","label":"Aluminium","value":"Aluminium"},{"key":"0.09950629518643461","label":"Cobalt","value":"Cobalt"}],"limitChoices":{"max":3,"min":3},"validResponse":["Iron","Nickel","Cobalt"]}}

{"type":"multi-choice","id":"73906","dataJson":{"key":14,"prompt":"Which theory states that \"there are some regions in magnetic metals where the electrons all spin in the same direction\"?","options":[{"key":"0.6629507546654816","label":"Chaos Theory","value":"Chaos Theory"},{"key":"0.3321549969137636","label":"Domain Theory","value":"Domain Theory"},{"key":"0.13814149026036204","label":"Quantum Field Theory","value":"Quantum Field Theory"},{"key":"0.8681313314593017","label":"Heliocentric Theory","value":"Heliocentric Theory"}],"limitChoices":{"max":1,"min":1},"validResponse":["Domain Theory"]}}

{"type":"multi-choice","id":"73907","dataJson":{"key":15,"prompt":"Magnetic forces can be felt in how many dimensions?","options":[{"key":"0.49523303892518433","label":"One","value":"One"},{"key":"0.7320416919044843","label":"Two","value":"Two"},{"key":"0.5346351013928836","label":"Three","value":"Three"}],"limitChoices":{"max":1,"min":1},"validResponse":["Three"]}}

Answer incorrect

Look at the slide below to work out the answer.