Activity 10Respiring Beans

Activity 10: Respiring BeansActivity 10: Respiring Beans

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Activity 10: Respiring Beans

Get Started

What do you already know about photosynthesis and cellular respiration?

Read the introduction.

Activity 10: Respiring Beans

Get Started

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

Activity 10: Respiring BeansActivity 10: Respiring Beans

How do various factors affect the rate of cellular respiration?

Challenge

Activity 10: Respiring Beans

Procedure

Make sure you:◦Select which variable to test.◦Write out your procedure.◦Prepare your data tables.

Have your procedure approved before you begin.

Activity 10: Respiring Beans

Procedure

Share your data with the class as directed.

Activity 10: Respiring Beans

Follow Up

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

Activity 10: Respiring Beans

Follow Up

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

Analysis 4

Activity 10: Respiring BeansActivity 10: Respiring Beans

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.

Analysis 6

Activity 10: Respiring BeansActivity 10: Respiring Beans

How do various factors affect the rate of cellular respiration?

Revisit the Challenge

Activity 10: Respiring BeansActivity 10: Respiring Beans

cellular respiration chemical indicator photosynthesis variable

Key Vocabulary