by tossing a ball in the air by shaking the ends of a rope by throwing a pebble into a pool of water by pulling on a coiled spring toy
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Students are learning about different types of waves. Which is the least likely way for the students to generate a wave?
Possibilities:
- by tossing a ball in the air
- by shaking the ends of a rope
- by throwing a pebble into a pool of water
- by pulling on a coiled spring toy

by tossing a ball in the air