Question

lisa is also working on her own science fair project and wants to make sure her project is better than barts. she wants to study the effect of radio waves on plant growth. 17. describe how lisa would perform this experiment. identify the dependent and independent variables in her experiment.

Explanation:

In an experiment, the dependent variable is what is being measured and is affected by the independent variable. Here, Lisa is studying the effect of radio - waves on plant growth. So, the amount of radio - waves can be manipulated (independent variable) and the plant growth (height, number of leaves etc.) is what is being measured (dependent variable). To perform the experiment, Lisa could have multiple groups of plants. One group (control group) would be exposed to no radio - waves, while other experimental groups would be exposed to different levels of radio - waves. She would then measure and compare the growth of plants in all groups over a set period of time.

Answer:

Dependent variable: Plant growth (e.g., height, number of leaves). Independent variable: Amount of radio - waves. To perform the experiment, Lisa could set up a control group of plants with no radio - wave exposure and several experimental groups with different levels of radio - wave exposure. Then, measure and compare plant growth (such as height, number of leaves) in all groups over a specific time period.