According to the scientific definition, what is energy?

The amount of matter that makes up an object

The ability to cause motion or change

A force that only exists in moving objects

The heat contained within a system

Which of the following scenarios provides the clearest evidence of energy being present in a system?

A book is resting motionless on a shelf.

The temperature of a room is stable and not changing.

A chemical reaction is causing a beaker to heat up.

A rock's mass is measured to be 5 kilograms.

The system must be losing mass.

An external force is acting on the system.

The system is isolated from its surroundings.

A plant inside growing taller over several days.

The terrarium's unchanging glass walls.

A cricket hopping from one leaf to another.

Water droplets condensing on the inside of the glass.

Energy is causing motion within the system.

The air pressure outside the box is decreasing.