Potential and Kinetic
Stored energy of an object is called __________ while energy in motion is called ___________
Potential, Kinetic
The formula used to calculate potential energy is:
PE= mgh
This form of energy powers the sun
Nuclear
Identify the transformation:
Rubbing your hands together
Mechanical to thermal
Heat always travel from __________ to _________.
Hot to cold
A rollercoaster will have the most ___________ energy at the top of it's highest hill.
Potential
The formula used to calculate kinetic energy is:
KE=(.5)mv2
This form of energy is an unintentional result of friction.
Thermal/ heat
Identify the transformation:
Waterfall
Gravitational to mechanical
Conduction
Theoretically, if a rollercoaster at the top of a hill has 500,000 J of potential energy, at the bottom of the hill it will have ____________ J of kinetic energy.
500,000
A 50kg box sitting on a 5meter- high shelf will have ___________ of what kind of energy?
2,450 J
Potential
This form of energy moves through electromagnetic waves.
Radiant
Identify the transformation:
Jack in the box
Elastic to mechanical
Heat will transfer form one substance to another until both reach _____________.
Thermal equilibrium
Energy stored in the bonds of the food that we eat is ____________ energy.
Potential/ Chemical
A 3kg bowling ball rolling at 13 m/s will have ___________ Joules of what kind of energy?
253.5
kinetic
This form of energy is non- existent in space.
Sound
Identify the transformation:
Photosynthesis
Radiant to chemical
What would happen to an inflated balloon if it were submerged in very cold water?
It would deflate
Sound is categorized as __________ energy.
Kinetic
What happens to the amount of kinetic energy of a moving object if its velocity is doubled?
KE is quadrupled
This form of energy is the sum of potential and kinetic energy in a moving object.
Mechanical
Identify the transformation:
Charging your phone
Electrical to chemical
Molecules will ___________ and ___________ as thermal energy is added to them
Speed up and spread out