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Students estimate and then measure (using number of hands) different objects around the schoolyard. Students compare their estimation to the actual measurement. Wrap up: Discuss student answers. How close were estimations? What other objects do you use to measure with? Discuss different units of measurement.
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Students learn to use a ratio to estimate height in this activity. Wrap up: Compare answers, which tree is the tallest/shortest, etc.
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Students use this activity sheet to guide them through estimating tree height. Wrap up: Compare tree heights, find the tallest/shortest trees in the schoolyard, etc.
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Students explore the natural area, first estimating and then calculating the correct answer to each of the questions. Questions include measurement, timing, and counting. Wrap up: Discuss student answers. Who was the closest in their estimation?
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Discuss the traditional/current knowledge, customs, and uses of plants (ethnobotany). Students choose 3 plants to draw and discuss what the uses of each plant may be. Wrap up: discuss students’ plant choices and different uses (ie: medicinal, religious, etc.) of the plants chosen.
