Matterhorn and Thunder Mountain at Disneyland?

ok so tomorrow im going to disneyland with my mom and 3 other friends before schools tarts on thursday. and i hate rollercoasters (big ones) cuz i get motion sickness. but i like indiana jones and splash mtn and stuff so would i be able to go on matterhorn and or thunder mountain? are they like scary and do they have any or big drops? thanks =]]. i would ask my friends but they dont remember much.