Conventions In Scream (1996) And Prom Night (2008):

Shadows 

Low Key Lighting

Isolated Settings

Blood

The typical fall 

Phone call 

Villain 

High pitched music 

Screaming 

Knives

Night time Settings

Conventions in Carrie (1976) And

Texas Chainsaw Massacre (1974):

Religion

Good Vs Evil 

Isolated settings

Final Girl 

Villain

High pitched music

Night time settings