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

When gas particles heat up, pressure increase.
Does pressure increase or decrease when gas particles heat up?

Atoms of metals are good conductors of electricity because they give up electrons.
Why are atoms of metals good conductors of electricity?

The cells of the blastocyst form an inner cell mass called the embryoblast.

The cells of the blastocyst form an inner cell mass called the what?