Energy Forms
Energy Transformations
Energy
Kinetic Energy
Potential Energy
100
This form of Energy is found between the bonds of different elements
Chemical
100
This device transfers electrical energy to...
Thermal Energy and thermal energy (and sound)
100
Energy is the ability to do what three things?
Cause something to move
Cause something to change
To do work
100
What is Kinetic Energy?
The energy within a particle because of its motion
100
What is Potential energy?
Stored energy
200
This form of Energy is based on the motion of the particles that make up a substance
Thermal Energy
200
What is the energy transformations in the process of photosynthesis?
Radiant to Chemical to Mechanical (growth)
200
Energy and energy forms are divided into what two categories?
Potential and Kinetic
200
What is the mathematical definition of Kinetic Energy?
KE = 1/2 (m)(v)2
200
What is the mathematical definition of Gravitational Potential Energy?
GPE = (m)(g)(h)
300
This Energy form travels through electromagnetic waves
Radiant/Light
300
What is an energy transformation?
the process that converts energy from one form to another.
300
What two things can not happen to energy?
Energy cannot be created or destroyed
300
What are the energy forms that are in the Kinetic Energy category?
Thermal
Radiant
Sound
Electrical
Mechanical
300
What are the energy forms that are in the Potential Energy category?
Nuclear
Chemical
Mechanical
400
This source of Energy takes the mechanical energy of flowing water to produce electricity.
Hydroelectric
400
Most energy transformations end up as what energy form?
Thermal
400
Mechanical energy is the energy possessed by an object due to the objects ________ or _______
motion or position
400
You throw a basketball with a mass of 4.1 kg. The ball leaves your hand with a speed of 15 m/s.
461.25 J
400
A cinder block is sitting on a platform 20 m high. It weighs 7.9 kg.
1,548.4J
500
This source of energy uses the electromagnetic (radiant) energy to produce electricity
Solar
500
When energy is converted or transferred, from one form to another, we call this...
Work
500
The GPE of a roller coaster at the highest point is ___________of the mechanical energy in the system. a. all b. half c. none
All
500
What is the mass of an object that creates 300 J of kinetic energy traveling at 20m/s?
1.5 kg
500
What is the height of an object that has a mass of 50kg, if its GPE is 9800 J
20 meters