将下列单词按所属类别归类。
German , tiny, sun , cotton , steel , earth , aloud, Spanish , astronaut , scientist ,
deaf, weak, Mars , satellite , plastic , Russian ,French , wood ,inventor , explorer .
1.职业名称:_______ _______ _______ _______
2.语言种类:_______ _______ _______ _______
3.原材料:_______ _______ _______ _______
4.星球名称:_______ _______ _______ _______
5.特征状态:_______ _______ _______ _______