Yes, PROJECTIONS is a Scrabble word!

Letter values in Scrabble US: P 3, R 1, O 1, J 8, E 1, C 3, T 1, I 1, O 1, N 1, S 1.

Is it a valid word?

PROJECTIONS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a prediction made by extrapolating from past observations
the projection of an image from a film onto a screen
a planned undertaking
any structure that branches out from a central support
any solid convex shape that juts out from something
(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else
the acoustic phenomenon that gives sound a penetrating quality
the representation of a figure or solid on a plane as it would look from a particular direction
the act of projecting out from something
the act of expelling or projecting or ejecting

Also: acoustic projection, sound projection, forcing out.