A scientist noticed that the plants in the lab were not growing well while being watered with regular tap water. They predicted that using coffee would cause further plant growth over water. They tested two groups of plants and found that the group of plants receiving coffee had more growth than the group that received water. They concluded that coffee helps plant to grow more than water. Which steps of the scientific method has this scientist already completed?

Question 1 options:

Question/Observe

Create a hypothesis

Experiment

Analyze Data

Draw Conclusions

Communicate the results or Retest