Types of Energy
this word means work when combined with motion; some examples are potential and kinetic
energy
what is a vector?
something with a quantity and a direction
Riding a bike is an example of this kind of energy.
kinetic energy
Energy can not be created or destroyed, only changed into a different form of energy. This is known as _______
the law of conservation of energy
The sun heating earths surface is an example of what type of heat transfer
Radiation
Energy is measured in ______
Joules
If you imagine a drop of water about to fall down a waterfall, at the top of the waterfall the drop of water has this kind of energy.
Gravitational potential Energy
this form of energy cooks food in boiling water
thermal/heat energy
When is the kinetic energy the greatest on a roller coaster?
At the fastest speed, generally at the bottom of a downhill
Thermal energy flows from _____ to ______
warm to cold
Which of the following is not a type of potential energy?
Gravitational, Elastic, Chemical, Thermal
Thermal
This type of energy is present in a battery.
Chemical Potential energy
This is the energy stored in atoms
nuclear energy
How can a roller coaster gain potential energy?
Go higher
The top of the pool water is warmer because of
convection
List all 9 types of energy
nuclear, chemical, kinetic, gravitational, electrical, elastic, thermal/heat, sound, light
Kinetic energy depends on...
the mass and velocity of an object
Of all the states, gas particles have the most ______ and move the _____.
kinetic energy, fastest
A hair dryer transforms _______energy to _____ & ________
electrical to sound and heat
An electric stovetop heating a pan is an example of what type of heat transfer?
Conduction
What happens to the potential and kinetic energy as a ball rolls down a ramp?
Potential energy is converted to kinetic energy
music coming from the radio, your loud vacuum cleaner, people talking on tv are all examples of this type of energy
sound energy
How is kinetic energy calculated?
KE=1/2mv2
What process do plants carry out to produce energy an source? What is the word equation?
Photosynthesis
water + carbon dioxide --> oxygen + glucose
Hot air rising and cool air sinking is an example of what type of heat transfer
convection