Edpuzzle: Potential Energy

Definition: Energy is the ability to cause change in the motion of an object, in other words, Energy is the ability to do ______

• potential.

• work.

• stop things

Energy is measured in _______

• watts

• amps

• joules

When something is moving, it has _______ energy.

• no

• potential

• kinetic

The stone had energy thanks to its ______.

• movement

• position

• weight

Is there kinetic energy in the rock?

• Yes

• No

Is there any energy in the stone?

• yes

• no

The rock has the capability to change its position, so it has ________

• potential energy

• kinetic energy

At this moment, when the ball is thrown up in the air, it pauses just before it changes direction and speed up towards the ground. At the moment it stops and changes direction, what is the relationship between kinetic and potential energy?

• 100% kinetic AND zero potential

• 100% potential for just that briefest of moments AND zero kinetic energy.

When the sling let the ball fly, it had the greatest kinetic energy. As it went higher in to the air it slowed down because what force was acting on it?

• drag

• gravity

Do you think that energy can be lost?

• yes

• no