Bubble Factory Slides
Slides for Lesson 3, introducing the "Bubble Factory" investigation using Elodea, defining independent and dependent variables, and guiding students to predict the relationship between light intensity and photosynthetic rate.
Bubble Counter Data Sheet
Student data sheet for the "Bubble Counter" investigation, featuring a structured data table for trials, a graphing area with a coordinate grid, and synthesis questions focused on interpreting experimental results.
Bubble Factory Teacher Guide
Teacher guide for Lesson 3, including tips for successful Elodea bubbling (using baking soda and specific cutting techniques), instructions for data collection, and guidance on interpreting the resulting graphs and limiting factors.