地球物理學

地 = 也 + 土 : Dorothy Gale (di) hates the cleanliness of the space station, so she used an excavator (也) in the space station's bathroom (Ø4) to dig a pile of dirt (土) out of the ground (地) for a mud bath.

球 = 求 + 王 : Martin Luther King and the Queen of Hearts are playing with a globe beach ball in the outhouse's kitchen. They put a service request bell just between them and bounce their beach ball off of it with a loud "DING".

物 = 勿 + 牛 : Willy Walrus (w) wants to become a physicist (物) and does research about dark matter (物) in the space station's bathroom (Ø4). His motivation is to become a super villain and rule the world. Just as he is about to have a breakthrough, a huge black ox (牛) flying with the help of bat wings (勿) hits Willy with an oxerang and takes away the dark matter, saving the world.

理 = 王 + 里 : Li Qingzhao (li) and Martin Luther King (王) have the mission to find out the intrinsic order (理) and inner essence (理) of sunflowers (里) in the space station (Ø3). They grow a few sunflowers and care for them very meticulously, talking to them and everything.

学 = 小 + 冖 + 子 : Xu Xian wants to study scienceology and learn more about daisies. Just inside the elevator's kitchen, he put some daisies into a prize cup and covered them with a cooking top. He wants to study the growth rate of the daisies depending on the pH of the water in the prize cup.