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Day 7 - Exploration: Determining Masses of Objects |
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LESSON OVERVIEW |
Students will use various equipment to measure the mass of different objects (those that were used in the calculations from math). Students will record this data in tables and graphs. |
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INSTRUCTIONAL GOALS |
Students will learn to use triple beam balances and digital balances to measure mass. Students will learn to compare calculated experimental data to actual lab data. Students will learn about types of error in lab activities. Students will learn to record data in tables and graphs. |
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FORMATIVE ASSESSMENT |
Students will be evaluated on their participation in the lab exercise. Students will be graded on the quality of their graphs and data tables. |
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LESSON ORGANIZATION |
Opening the Lesson:
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Instruct students in the use of triple beam balances and digital balances. Briefly walk through the process that will be done during the lab to collect data. |
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Developing the Lesson: |
Have the students work through and find the mass of all objects using both the triple beam balance and the digital balance. Students record data to Table 3 to organize their data and then use their information to graph results. |
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Closing the Lesson: |
Point out that the calculated masses from the previous day’s lessons may not be the same as the experimental values measured in the lab. Have students think about possible reasons for these differences for later discussion. |
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TEACHING RESOURCES |
Students will be provided with Table 3, graph paper, a beam balance, and a digital balance. Students should have their calculated masses from the previous day’s Table 2 for comparison purposes. |
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LAB SAFETY |
No concerns. |
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ACCOMMODATIONS FOR SPECIAL LEARNERS |
Special needs students and ESL/ELL students will be placed in a group with a competent lab partner who can assist them in the completion of the lesson. |
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