Here is the complete question:
Caleb wants to find out which type of floor material is best for bouncing tennis balls the highest. Which statement best describes the process he should use?
Options:
-He should use technological design because he will need to make materials.
-He should use scientific investigation because he will need to do an -experiment.
-He should use technological design because he will need to conduct background research.
-He should use scientific investigation because he will need to design a prototype.
Answer:
He should use scientific investigation because he will need to do an experiment.
Step-by-step explanation:
Scientific investigation refers to the process of finding an answer by utilizing a systematic approaches which commonly accepted by the scientific community. This approaches should include things such as creating initial hypothesis, creating an observation with variables that can be measured, formulating a test, and creating a conclusion.
In Caleb's case, he can find out the answer by dropping each balls on an exact same terrain (in order to eliminate influence of a third factor).