PowerShell alias to open a file on disk

I often store useful pieces of information in a file called scraps.md on my Windows 10 machine. However, if the file is not open, it is a pain to navigate to the folder containing the file in the powershell and then open it.

Can I do a command called, for example, openscraps that opens scraps.md in the emacs editor?

In bash, I would have aliased this using alias openscraps = "emacs /scraps.md "