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Activity 10

Activity 10. Respiring Beans.

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Activity 10

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  1. Activity 10 Respiring Beans

  2. LIMITED LICENSE TO MODIFY. These PowerPoint® slides may be modified only by teachers currently teaching the Science and Global Issues SEPUP course to customize the unit to match their students’ learning levels or to insert additional teaching aides. Modified slides may be used only by the modifying teacher in his or her classroom, or shared with other teachers of Science and Global Issues within the teacher’s school district, with these same restrictions. Modified slides may not be taken out of the classroom or distributed to any non-student person or organization. Except for use with students in the classroom, modified slides may not be published in printed or electronic form, including posting on the Internet. Only text may be modified: photographs and illustrations on the slides may not be modified in any way except to change their size. DISCLAIMER OF WARRANTY. THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (“University”) MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. University will not be liable for any costs, damages, fees or other liability, nor for any direct, indirect, special, incidental or consequential damages (including lost profits) with respect to any claims by the purchaser or user of Science and Global Issues or any third party on account of or arising from the use or modifications to the slides. Client acknowledges and accepts that University services are provided on an as-is basis.

  3. Read the introduction. • What do you already know about photosynthesis and cellular respiration?

  4. Phenol red is an acid-base indicator that is used in this activity to test for the presence of an acid.

  5. Challenge • How do various factors affect the rate of cellular respiration?

  6. Make sure you: • Select which variable to test. • Write out your procedure. • Prepare your data tables. • Have your procedure approved before you begin.

  7. Share your data with the class as directed.

  8. Update Student Sheet 9.1, “Photosynthesis and Cellular Respiration Diagram.”

  9. Analysis 4 • Summarize the conclusions that can be drawn based on the experiments performed by the class. Include all relevant data that supports your conclusion.

  10. Analysis 6 • In Activity 3, “Biomes,” you read about the characteristics of the temperate deciduous forest. Some trees in this biome lose their leaves in the fall, and cannot perform photosynthesis without them. Explain, based on what you learned in this activity, why the trees do not die over the winter months.

  11. Revisit the Challenge • How do various factors affect the rate of cellular respiration?

  12. Key Vocabulary • cellular respiration • chemical indicator • photosynthesis • variable

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