There are 11 attractions at Disney California Adventure with height requirements:

Height Requirements at Disney California Adventure
Attraction Height Requirement
Mater's Junkyard Jamboree 32"
Tuck and Roll's Drive 'Em Buggies 36"
Jumpin' Jellyfish 40"
Radiator Springs Racers 40"
Silly Symphony Swings - Tandem 40"
Soarin' Over California 40"
The Twilight Zone Tower of Terror 40"
Goofy's Sky School 42"
Grizzly River Run 42"
California Screamin' 48"
Silly Symphony Swings - Single 48"

Height Requirements at Other Parks