Plants and Snails
Study the production and use of gases by plants and animals. Measure the oxygen and carbon dioxide levels in a test tube containing snails and elodea (a type of plant) in both light and dark conditions. Learn about the interdependence of plants and animals.
Launch GizmoPlants and Snails
Study the production and use of gases by plants and animals. Measure the oxygen and carbon dioxide levels in a test tube containing snails and elodea (a type of plant) in both light and dark conditions. Learn about the interdependence of plants and animals.
5 Minute Preview
Use for 5 minutes a day.
LEARNING OBJECTIVES:
- Use an indicator (brom thymol blue) to measure concentrations of oxygen and carbon dioxide.
- Design controlled experiments to test hypotheses.
- Discover what gases are used and produced by animals.
- Discover what gases are used and produced by plants (in light and dark).
- Explain how animals and plants help each other survive.
VOCABULARY:
- brom thymol blue (BTB), carbon dioxide-oxygen cycle, indicator, interdependence
LESSON MATERIALS:
FROM OUR COMMUNITY
User Lesson Materials (2):
How do plants and animals depend on each other?
Revised student explorer worksheet. This simplified worksheet may work well with ESL students like I teac... (more)h as well as struggling students. I found that preceding this lesson with a lesson on the function of indicators worked wonders for their understanding. Also attached REGENTS questions for HW.
Best For:
AP Biology, Biology, Environmental Science
Carbon-Oxygen Cycle
Modified exploration guide shows dependance of plants and animals on eachother as well as an energy sourc... (more)e.
Best For:
AP Biology, Biology, Environmental Science
User Recommendations (showing 5 of 8):
I suggest that you precede this lesson with with a lesson on the role of indicators. May also use the ph analysis Gizmo to teach indicators.
Recommended for: BiologyGizmo User from New York
I liked seeing how the snails depend on the plants for their oxygen.
Recommended for: BiologyGizmo User from Ontario
Show Remaining Recommendations (3)