Question

Maria predicts that the amount of light in an environment will affect the growth of algae living in that environment. Which of the following is the best type of investigation for Maria to perform in order to test her prediction? A. conduct a controlled experiment B. build a computer model of algae growth C. collect and observe different specimens of algae D. observe algae in nature

Answer 1

Answer:The answer is A: conduct a controlled experiment

Explanation:  Different scientific questions and predictions require different types of scientific investigations. Some questions, such as questions involving how one factor affects an organism or event, can be answered through controlled experiments. Other questions can be answered through collecting specimens, building models, and/or making observations.

Answer 2

Answer:

Option A is the correct answer. To conduct a controlled experiment would be the best choice for Maria to test her prediction.

Explanation:

A controlled experiment can be described as an test in which one of the test models is kept constant for a variable, while in other experimental models, a change is made for testing the variable.

It would be best for Maria to conduct a controlled experiment. In the control model, Maria should keep light as constant whereas in other experimental models she should increase and decrease the quality of light to test her prediction. She should then compare her experimental results with the control model to deduce the results.