A student prepared a beaker with sprigs of a water plant as shown in the figure below. She placed her set-up beside a fluorescent lamp. She then systematically changed the distance of the beaker from the lamp. After some time, she counted the bubbles given off by the sprig of the water plant. Also shown is the graph of the data she was able to collect from her experiment, 1. If the student would test the air bubbles collected in the test tube, what would , she find they are made of? How do you know? , ___________________________________________________________________________, ___________________________________________________________________________, 2. By using the graph, at what distance from the light source was the greatest , number of bubbles produced? , ___________________________________________________________________________, ___________________________________________________________________________, 3. If the lamp was placed closer than 5 centimeters from the water plant, would , the plant give off many more bubbles? Why or why not? , ___________________________________________________________________________, ___________________________________________________________________________, 4. How can you modify the student2019s experiment? , ___________________________________________________________________________, ___________________________________________________________________________, 5. In your own words, interpret the graph. , ___________________________________________________________________________, ___________________________________________________________________________

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A student prepared a beaker with sprigs of a water plant as shown in the figure below. She placed her set-up beside a fluorescent lamp. She then systematically changed the distance of the beaker from the lamp. After some time, she counted the bubbles given off by the sprig of the water plant. Also shown is the graph of the data she was able to collect from her experiment


1. If the student would test the air bubbles collected in the test tube, what would

she find they are made of? How do you know?

___________________________________________________________________________

___________________________________________________________________________

2. By using the graph, at what distance from the light source was the greatest

number of bubbles produced?

___________________________________________________________________________

___________________________________________________________________________

3. If the lamp was placed closer than 5 centimeters from the water plant, would

the plant give off many more bubbles? Why or why not?

___________________________________________________________________________

___________________________________________________________________________

4. How can you modify the student’s experiment?

___________________________________________________________________________

___________________________________________________________________________

5. In your own words, interpret the graph.

___________________________________________________________________________

___________________________________________________________________________​

Answer:

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