Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
先週 せんしゅう last week, the week beforejlpt5, leda1, toki
火花 ひばな spark/(P)leda1
水車 すいしゃ water wheelmix
大木 たいぼく big treeleda1, shizen
化学 かがく chemistrygakkou, kagaku, leda1