Vocabulary consisting only from characters you are able to read
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
水力
suirjoku
hydraulic power, water powermix
金山
kinzan
(gold) mine; (gold) minemix
先ほど
sakihodo
some time ago, not long ago, just nowmix
中年
čuunen
middle-age, middle age, midlife, one's middle yearsmix
上る
noboru
(1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans
人
hito
man, person, human being, mankindhito, jlpt5
中学生
čuugakusei
junior high school studentgakkou