Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
温室効果 おんしつこうか greenhouse effectmix
入学する にゅうがくする to enter school or universityjlpt4, suru, verb
実験者 じっけんしゃ experimenter, researchermix
休校 きゅうこう školní volnogakkou, leda1
答案 とうあん examination paper, examination scriptmix
遠回り とおまわり detour/roundabout wayleda1
政府 せいふ government, administrationseiji
白夜 びゃくや bílé (polární) nocileda1, shizen
山々 やまやま mountainsshizen
It's cold. tenki
済ます すます (1)to finish, to get it over with, to conclude, (2)to settle, to pay back, (3)to get along (without something), to make do with (without) godan, jlpt3, verb, vtrans
向上 こうじょう elevation/rise/improvement/advancement/progress/(P)leda1, suru
切れる きれる (1)to cut well/to be sharp/ (2)to break (off)/to snap/to wear out/ (3)to be injured/ (4)to burst/to collapse/ (5)to be disconnected/to be out of/to expire/to sever (connections) with/ (6)to be shrewd ichidan, jlpt3, leda1, verb, vintrans
音楽 おんがく music, musical movementjlpt5, leda1, ongaku
長雨 ながあめ long spell of rainleda1, shizen, tenki