{"type":"fill-in-blanks","id":"71254","dataJson":{"prompt":"Fill out the blanks","options":{"warmer":[{"label":"warmer","value":"warmer"},{"label":"colder","value":"colder"},{"label":"wetter","value":"wetter"}],"combustion":[{"label":"combustion","value":"combustion"},{"label":"freezing","value":"freezing"},{"label":"photosynthesis","value":"photosynthesis"}],"given off to":[{"label":"given off to","value":"given off to"},{"label":"taken in from","value":"taken in from"},{"label":"transferred around","value":"transferred around"}]},"template":"An exothermic reaction is a reaction where energy is {{given off to}} the surroundings. This makes the reaction mixture feel {{warmer}} than before. An example of an exothermic reaction is {{combustion}}. ","validOptions":["colder","warmer","combustion","given off to","taken in from"],"validResponse":{"warmer":"warmer","combustion":"combustion","given off to":"given off to"}}}

{"type":"fill-in-blanks","id":"71255","dataJson":{"key":4,"prompt":"Fill in the blanks","options":{"less":[{"label":"more","value":"more"},{"label":"less","value":"less"}],"colder":[{"label":"colder ","value":"colder "},{"label":"warmer","value":"warmer"},{"label":"the same","value":"the same"}],"taken in from":[{"label":"given out to","value":"given out to"},{"label":"taken in from","value":"taken in from"}]},"template":"Endothermic reactions are {{less}} common than exothermic reactions. In an endothermic reaction, energy is {{taken in from}} the surroundings, making the mixture feel {{colder}}.","validResponse":{"less":"less","colder":"colder ","taken in from":"taken in from"},"fileboyImageId":""}}

{"type":"multi-choice","id":"71256","dataJson":{"key":2,"prompt":"True or false? In an exothermic reaction, reactants have a higher energy than the products.","options":[{"key":"0.6421786507473","label":"True","value":"True"},{"key":"0.977976334975698","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}

{"type":"multi-choice","id":"71257","dataJson":{"key":12,"prompt":"Which one of these statements is true?","options":[{"key":"0.5871524120211576","label":"Catalysts reduce the activation energy of a reaction","value":"Catalysts reduce the activation energy of a reaction"},{"key":"0.4114504227486999","label":"Catalysts add energy to the reaction","value":"Catalysts add energy to the reaction"},{"key":"0.9872359585124633","label":"Catalysts increase the activation energy of a reaction","value":"Catalysts increase the activation energy of a reaction"}],"limitChoices":{"max":1,"min":1},"validResponse":["Catalysts reduce the activation energy of a reaction"]}}

{"type":"multi-choice","id":"71258","dataJson":{"key":14,"prompt":"Which of the statements about exothermic reactions are true?","options":[{"key":"0.01474985817176333","label":"Exothermic reactions need to take in energy from the environment to break bonds.","value":"Exothermic reactions need to take in energy from the environment to break bonds."},{"key":"0.8537654191719869","label":"Exothermic reactions become warmer as the reaction proceeds","value":"Exothermic reactions become warmer as the reaction proceeds"},{"key":"0.8119839825664632","label":"An example of an exothermic reaction can be found in the air bags of cars.","value":"An example of an exothermic reaction can be found in the air bags of cars."},{"key":"0.6822352380305936","label":"Exothermic reactions give out energy as bonds are broken","value":"Exothermic reactions give out energy as bonds are broken"}],"limitChoices":{"max":3,"min":3},"validResponse":["Exothermic reactions become warmer as the reaction proceeds","An example of an exothermic reaction can be found in the air bags of cars.","Exothermic reactions give out energy as bonds are broken"]}}

Answer incorrect

Look at the slide below to work out the answer.