When most substances are heated, molecules inside move faster and take up more space, resulting in thermal
A)bending.
B)expansion.
C)contraction.
D)heat.

Question

Quizplus · Accepted Answer

When substances are heated, their molecules gain energy and move more rapidly, causing them to spread out and take up more space, which is known as thermal expansion. Therefore, the best choice here is B.

When Most Substances Are Heated, Molecules Inside Move Faster and Take