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.
Video Preview 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