Because the planets have to be aligned just right for it to happen
Make what your talking about or teaching them about fun. Get them involved in to what your talking about. Know who your talking to, because you can use their likes to help grab their attention.
It is answer 4 because the other three are not related to space and even though there are volcanoes on other planet, that question is not as relevant as the other last two.
1. Famished
2. Contraption
3. Inhabitant
4. Embroider (?)
5. Demolish/perceive
(Not too sure on 4/5, they don’t make much sense as there can be multiple answers)