All are valid instructional possibilities, but they are not necessarily the 'same' thing.
Below are some approaches to the process of inquiry, all with different paths to a shared outcome around student voice, choice, wonder, curiosity, investigation, etc.
Ask
Define the need
Write your research question
Sharpen the focus
Imagine and Investigate
Brainstorm ideas
Locate and use appropriate sources
Note useful information
Plan and Organize
Analyze, organize and interpret the information gathered
Plan a quality product
Make a list of materials needed
Delegate responsibilities
Create
Follow your plan
Share draft
Get feedback from others
Evaluate and Improve
Evaluate the product
Evaluate the process
Improve as necessary