common kitchen appliances include electric stoves toasters and blenders each Appliance uses and energy source and involves energy changes to prepare food. An open pot of water is heated on the stove. As water boils, the molecules do what?​

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.