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A principle stating that energy cannot be created or destroyed, but can be altered from one form to another.
Law of Conservation of Energy
Energy in motion.
What is KINETIC ENERGY?
The greater the height, the more __________ an object has.
Gravitational potential energy
What type of energy is light energy?
Radiant energy
According to the law of conservation of energy, energy is never ______________
The ability to cause change or do work.
What is ENERGY?
In the formula, PEg= mgh, what does "h" stand for?
height
The types of energy a person eating food transforms.
__________ to __________
Chemical Energy to kinetic energy
The Law of Conservation of Energy states that energy cannot be created nor destroyed, it can only be __________.
transformed into other forms or transferred
Stored energy.
What is POTENTIAL ENERGY?
If two cups are on a table at the same height and they both fall, what is the only thing that would change the amount of PE they have?
Their mass.
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Law of Conservation of Energy: A skateboard has KE of 10 J and a PE of 5 J at one point of the ramp. At another given point, it has a PE of 10J and a KE of ____.
5 J
The unit used to measure energy.
What are JOULES?
Knowing the formula for Gravitational Potential Energy, PE=mgh, what else do we know if you increase the mass?
you also increase the amount of gravitational potential energy (it is directly proportional)
The types of energy a flashlight transforms.
________ to ________ to _______
Chemical energy, to electrical energy, to radiant energy
Law of Conservation of Energy: A skateboard has KE of 45 J and a PE of 3 J at one point of the ramp. At another given point, it has a PE of 40 J and a KE of ____.
8 J
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What is the formula for gravitational potential energy?
PEg= mgh
gravitational PE= (mass)(gravity)(height)
What kind of energy in the sun transforms into electromagnetic energy?
Nuclear