Note: Younger grades might enjoy the model construction but may have difficulty translating the abstract model into an understanding of the real atmospheres. Depending on the math skills of your students, you may need to help them with adjusting percentages to represent the proper number of beans. For example,Earth's atmosphere consists of 78% nitrogen therefore, 78 out of the 100 jellybeans are one color.If you are unable to provide 300 jellybeans, you can use a smaller number and adjust the proportions. ![]() Teacher provides each team of students with a total of 300 jellybeans (100 for each planet).Use Table 1 (below) to determine how many jellybeans of each color for each of the three planets.Teacher hands out three small, re-sealable bags to each pair or team of students.Colored jellybeans, cotton balls or different colored beans (or similar materials) to represent different gases in the atmosphere of each planet.Students will be able to explain the "Goldilocks Principle" and understand that Earth's moderate temperature is due primarily to its unique atmosphere. ![]()
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