Energy Definition From Wikipedia In physics energy from

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Energy

Energy

Definition? – From Wikipedia • In physics, energy (from the Greek ἐνέργεια - energeia,

Definition? – From Wikipedia • In physics, energy (from the Greek ἐνέργεια - energeia, "activity, operation", ) is a scalar physical quantity that describes the amount of work that can be performed by a force. http: //en. wikipedia. org/wiki/Energy What does scalar mean? – without direction. What is work? – The force required to move an object multiplied by the distance it is moved.

Different forms of energy include: kinetic, potential, thermal, gravitational, sound, light, elastic, Electromagnetic, Chemical

Different forms of energy include: kinetic, potential, thermal, gravitational, sound, light, elastic, Electromagnetic, Chemical energy, Nuclear energy. • The forms of energy are often named after a related force.

Kinetic Energy: • The energy of movement. http: //digital-photography-school. com/wp-content/uploads/2007/08/movement-blur-1. jpg

Kinetic Energy: • The energy of movement. http: //digital-photography-school. com/wp-content/uploads/2007/08/movement-blur-1. jpg

Potential energy The stored energy of position. http: //www. solarpowerwindenergy. org/wp-content/uploads/2009/05/kineticandpotentialenergy. jpg http: //www.

Potential energy The stored energy of position. http: //www. solarpowerwindenergy. org/wp-content/uploads/2009/05/kineticandpotentialenergy. jpg http: //www. greenscreen. org/articles_sr/energy/images_potential_kinetic_energy/potential_kinetic. jpg http: //www. physicsclassroom. com/Class/energy/u 5 l 1 b 1. gif

Thermal / Heat energy http: //www. physast. uga. edu/~rls/1020/ch 4/fig 4 -4. jpg This

Thermal / Heat energy http: //www. physast. uga. edu/~rls/1020/ch 4/fig 4 -4. jpg This is the energy in the molecules of a substance which move. More thermal energy means more molecule movement – so it is really Kinetic energy on a molecular scale!

Gravitational Energy • This is a type of energy that an object has because

Gravitational Energy • This is a type of energy that an object has because of its mass. The bigger an object’s mass the greater its gravity. http: //www. phys. unsw. edu. au/~cgt/Honours_Projects_files/shapeimage_2. jpg

Sound energy • The energy carried in waves in the air. http: //www. gobates.

Sound energy • The energy carried in waves in the air. http: //www. gobates. com/HM 00050_. gif

Light energy. • The energy carried in light waves. Nearly all life on this

Light energy. • The energy carried in light waves. Nearly all life on this planet depends on this as its original energy source. http: //farm 1. static. flickr. com/75/227649503_88121 cf 734. jpg

Electrical energy • The energy carried by moving charges. http: //universalgeneral. com /db 4/00336/universalgener

Electrical energy • The energy carried by moving charges. http: //universalgeneral. com /db 4/00336/universalgener al. com/_uimages/41 k_Clou d. Lightening. jpg

Elastic energy • A type of potential energy. http: //www. bbc. co. uk/schools/gcsebitesize/science/images/energy_elastic. jpg

Elastic energy • A type of potential energy. http: //www. bbc. co. uk/schools/gcsebitesize/science/images/energy_elastic. jpg

Electromagnetic energy • Energy carried by electromagnetic waves. Light energy is one type of

Electromagnetic energy • Energy carried by electromagnetic waves. Light energy is one type of these energies. http: //www. nasa. gov/centers/langley/images/content/114284 main_EM_Spectrum 500. jpg&imgrefurl=http: //www. nasa. gov/centers/langley/science/FIRST_prt. htm &usg=__VVUKc 2 -Re. Bx_i. G 9 Ms. P 9 R 6 VXr_7 s=&h=317&w=500&sz=67&hl=en&start=6&um=1&tbnid=6 VN-zk. Kv. E 3 H 3 M: &tbnh=82&tbnw=130&prev=/images%3 Fq%3 Delectromagnetic%2 Benergy%26 ndsp%3 D 18%26 hl%3 Den%26 lr%3 D%26 um%3 D 1

Chemical energy • The energy found in the bonds between atoms. http: //www. chemistry.

Chemical energy • The energy found in the bonds between atoms. http: //www. chemistry. wustl. edu/~courses/genchem/Lab. Tutorials/Cytochromes/images/fl owchart 1. jpg

Nuclear energy • The energy found within an atom. http: //library. thinkquest. org/06 aug/01200/Graphics/705

Nuclear energy • The energy found within an atom. http: //library. thinkquest. org/06 aug/01200/Graphics/705 px-Nuclear_fireball. jpg

Law of Conservation of energy • Energy cannot be created or destroyed, it can

Law of Conservation of energy • Energy cannot be created or destroyed, it can just change from one type to another. • An energy changer is called a TRANSDUCER

How does this apply to living things? http: //en. wikipedia. org/wiki/File: Energy_and_life. png

How does this apply to living things? http: //en. wikipedia. org/wiki/File: Energy_and_life. png

Think of a car. What energy changes take place in a car? http: //www.

Think of a car. What energy changes take place in a car? http: //www. foothill. edu/sustainability/smart-car. jpg What about this one? http: //www. speedace. info/solar_cars/solar_car_images/auburn_univer sity_solar_car_banked_road_test. jpg