Screencastify allows you to edit a video after you've recorded it. It will work best on a computer, not an iPad.
Here are the instructions for using their editor: https://help.screencastify.com/category/133-editing-premium
Finding your videos on Screencastify
1. Click on the Screen Castify icon at the top-right of your Chrome window (1) then click on the left-hand menu (three bars) (2)
2. Click on My Recordings.
3. Click on the video you want to share with students.
4. In the top right, click on "Copy shareable link".
On the top right, click on Copy shareable link.
Making Activity in Seesaw & Attaching Video
1. In Chrome, open a new tab and go to seesaw's web page, web.seesaw.me, click on Login, then "I'm a Teacher".
2. Click "Teacher Sign In with Google".
4. Use your Meadowbrook account.
5. Click the green "+ Add" button.
6. Click "Assign Activity".
7. Click "Create New Activity".
8. Write a name & instructions for your activity. Then, click "Add Multimedia Instructions or Example" in the Student Instructions area.
9. Click "Link" (NOT "Video"!)
10. Paste your Screencastify video link into the box that pops up, using either Right Click -> Paste, or Command+V. Then, hit the green check mark to save.
11. Optionally, add captions or recording. When you are all set, click the green check mark again to save.
12. Click the blue "Save" button in the bottom right hand corner.
13. Click the green "Assign..." button.
14. Pick which class(es) you would like to assign this assignment & video to.
15. By hitting the "Schedule" button, you can choose a time, either immediately or in the future, for the activity to be available. When you have done so, click the green check mark.
16. Click the green "Assign" button at the bottom of the page.