Energy

What is the definition of mechanical energy?

• Energy an object has due to its position.

• Energy an object has due to its motion.

• The sum of energy associated with the motion and position of an object.

• There is not a mechanical energy.

True of False

• It is true that electrical energy is energy made available through the flow of electrical current through a conductor.

• It is false that electrical energy is energy made available through the flow of electrical current through a conductor.

Whatś the process of changing one form of energy to another called?

• energy process

• changing energy

• energy transformation

• transformation

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Potential energy that depends on the height of an object.

• gravitational potential energy

• gravity energy

• kinetic energy

• elastic energy

What is the unit of work equal to one newton-meter called

• inches

• joule

• insulator

• work units

The law of conservation of energy is energy cannot be created but destroyed and can change forms.

• False

• True

What is the energy transformation between the sun and a carrot?

• Electrical --> thermal

• Light--> mechanical

• thermal --> chemical

• light --> chemical

What is the energy transformation between a cord plugged into an outlet and a pot on a stove working.

• light --> thermal

• electrical --> thermal

• electrical --> mechanical

• mechanical --> thermal

Energy in motion is ...

• potential

• mechanical

• kinetic

• electrical

Energy that is stored is ...

• kinetic

• mechanical

• potential

• electrical