What is the definition of energy (in scientific terms)? A. The motion of an object

B. The ability to do work

C. A force used on an object

D. A change in temperature

A would be the answer

B. The ability to do work

Explanation:
Scientists define energy as the ability to do work. There is potential energy (where an object at rest has the capacity to have motion) and kinetic energy (where an object is in motion).

I hope this helps!!
- Kay :)

Heat is involved in chemical change in two ways; chemical changes either result in heat being added to or removed from an object, and chemical changes require a certain amount of heat before they can take place.