Question

application: 2. write a hypothesis for: does the amount of caffeine affect heart rate in coptotermes (termites)? challenge: 3. rewrite this hypothesis so it is testable and measurable. \plants like music\

Explanation:

1. A hypothesis is an educated - guess that can be tested. For the caffeine and heart - rate question, we need to identify the independent variable (amount of caffeine) and the dependent variable (heart rate in capybaras). For the plants and music question, we make the statement testable by defining what 'like' means in a measurable way.
2. To make a hypothesis testable and measurable, we need to define the variables clearly.

Answer:

1. Plants exposed to classical music for 3 hours a day will grow taller than plants not exposed to music.
2. Plants exposed to 60 minutes of music per day will have a 20% higher photosynthetic rate compared to plants not exposed to music.