Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Phototaxis is the term for movement toward light.
What is the term for movement toward light?

Do particles collide more in two reactants fluid they are both in fluid forms or solid forms.
Do particles collide more in two reactants when they are both in fluid forms or solid forms?

Non-pathogen caused are noninfectious diseases not contagious.

Why are noninfectious diseases not contagious?