Transcript of Energy What is energy? Energy is the ability to do work.
- Slide 1
- Slide 2
- Energy
- Slide 3
- What is energy? Energy is the ability to do work.
- Slide 4
- Law of Conservation of Energy Energy cannot be created or
destroyed.
- Slide 5
- There are two states of energy or types of energy. Potential
and kinetic.
- Slide 6
- Potential Potential is stored energy
- Slide 7
- Kinetic Kinetic is the energy of motion.
- Slide 8
- There are five main forms of energy. Chemical Mechanical
Electromagnetic Heat (thermal) Nuclear
- Slide 9
- Chemical Energy Energy that is available for release from
chemical reactions.
- Slide 10
- Mechanical Energy Energy due to a objects motion (kinetic) or
position (potential).
- Slide 11
- Electromagnetic oLight energy o Includes energy from gamma
rays, xrays, ultraviolet rays, visible light, infrared rays,
microwave and radio bands oMoving electric charges
- Slide 12
- Heat or Thermal Internal motion of atoms. The heat energy of an
object determines how active its atoms are.
- Slide 13
- Nuclear Nuclear energy is the energy stored in the nucleus of
an atom and can be broken into: fusion (energy of the sun which is
the combing of two or more nuclei) and fission(the splitting of an
atom like in a nuclear reactor).
- Slide 14
- Energy Transfer Chemical Electrical Sound (mechanical) Light
(Electromagnetic) Thermal Mechanical
- Slide 15
- There are three types of (energy) heat transfer. Convection
Conduction Radiation
- Slide 16
- Convection Convection is the transfer of heat energy in a gas
or liquid by movement of currents due to changes in density.
- Slide 17
- Conduction is the transfer of energy through matter from
particle to particle.
- Slide 18
- Radiation Allows heat to be transferred through wave
energy.
- Slide 19
- Slide 20
- Renewable Renewable resources are those resources that can be
replaced as they are used up. Some examples include: soil air water
wood sunlight
- Slide 21
- Non-Renewable Nonrenewable resource are those natural resources
that cannot be replaced once they are used up. Some examples
include: oil coal gas uranium
- Slide 22
- would happen without In fact .. NOTHING ENERGY