This is a video tutorial that can explain to you how to create an Adobe Spark Page.
Some Quick Tips
Choose a theme from the right side menu
To add a background scrolling picture, choose Glideshow
H1 and H2 are heading styles in the text options.
Videos from Youtube, Vimeo, and Adobe can be added and viewed onscreen.
Videos from other locations will need to be added as a button that will open a new tab to be viewed.
This is a link to a blog that suggests several different activities where a student could use Adobe Spark to create or share their work.