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This is an 8th grade MEA. This MEA will ask students to investigate different types of hamburger patties and choose the one that is best for the restaurant. Some of the areas that students will examine is how the hamburger patties undergo a chemical change, but mass is not lost only changed into different substances. They will also investigate how the hamburger patties are chemically changed due to a change in temperature. Students will also be exposed to how the Law of Conservation of Mass is used in our daily lives. For example, cooking a hamburger patty, the mass is not lost but sometimes the juices are separated from the meat. Also, in French fries, matter is not created but cooking oil is absorbed by the fries.
Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.
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