Numbers
You can add a reflection and a shadow to images, shapes, text boxes, lines, arrows, and videos.
Go to the Numbers app 
on your iPad.
Tap to select an object, or select multiple objects.
Tap 
, then tap Style.
Tap to turn on Reflection, then drag the slider to make the reflection more or less visible.
Go to the Numbers app on your iPad.
Open a spreadsheet, then tap an object to select it, or select multiple objects.
Tap , then tap Style.
Turn on Shadow, then tap a shadow style.