儿
=
丿
+
乚
:
Mnemonic symbol: "son" (儿) sounds similar to "Sun" like in "Sun Wu Kong", so it's gonna be represented by the monkey king. Albert Einstein (Ø-) and Sun Wu Kong (儿) are fighting in the space station's kitchen (-Ø2). Their weapons: Albert Einstein has a shovel (乚), and Sun Wu Kong has a banana (丿).
媳
=
女
+
息
:
Marie Curie (xi) has recently become Bessie Coleman's (女) daughter-in-law (媳), and Bessie is frequently breathing fire (息) at Marie when she comes back home and enters the space station late (Ø2).
妇
=
女
+
彐
:
Frieda Fox (fu) and Bessie Coleman (女), both being women (妇), do women's stuff in the space station's bathroom (Ø4), such as throwing fake pig noses (彐) at each other.