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ENERGY

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by

Jose A. Canal Larrea

on 23 November 2016

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Transcript of ENERGY

ENERGY
How many forms of energy are there?
Mechanical
energy
Electrical
energy
Thermal
energy
Light
energy
Chemical
energy
Forms of energy
Nuclear
energy
How do we measure the energy in food?
How are sources of energy classified?
Hydroelectric
energy
Wind
energy
Solar
energy
Biofuels
Renewable
energy
sources
Petroleum
Coal
Natural gas
Uranium
Non Renewable
energy sources
Glossary
-
Energy
: Is the ability of an object to move, heat up or produce light.





-
Mechanical energy
: Is the energy that produces movement.





-
Kinetic energy
: The energy of a body or a system with respect to the motion of the body.





-
Potential energy
: The energy of a body or a system with respect to the position of the body.





-
Chemical energy
: This energy is stored in some substances, batteries,...









How can we protect our planet?
What is energy?
Kinetic Energy
Potential energy
This energy is stored in some substances, batteries,...
This is energy in the form of electricity
This is energy in form of heat
This is the energy in the form of light
This type of energy is stored in the atomic structure of all matter
What happens to energy when it's used?
Chemical energy
Aeroplanes and cars transform the chemical energy in fuel and petrol into kinetic and thermal energy.
Electrical energy
Fans and electric drills transform electrical energy into kinetic and thermal energy.
Light energy
Solar panels transform light energy from the sun into electrical energy during the day.
Energy never dissapears. It can be transformed from one type of energy into another, but it doesn't dissapear completly.
The chemical energy stored in food and drink is measured in
CALORIES
. The more calories in a food, more energy it contains.
What are the three Rs?
http://www.pbslearningmedia.org/asset/mck05_int_rollercoaster/
The energy of a body or a system with respect to the motion of the body or of the particles in the system.
The energy of a body or a system with respect to the position of the body or arrangement of the particles of the system.
http://nutritiondata.self.com/tools/calories-burned
Experiment Time!
How to create a thermometer
http://www.energyquest.ca.gov/projects/thermometer.html
Pollution
is the introduction of contaminants into the natural environment that cause adverse change.
Acid rain
is a rain or any other form of precipitation that is unusually acidic.
It can have harmful effects on plants, aquatic animals and infrastructure. Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Energy that produces movement. It's the energy that enables people and things to move, go faster or change direction.
http://www.pspb.org/e21/media/wind_story.swf
http://science.kqed.org/quest/2014/11/14/how-hydropower-dams-work/
http://www.pbslearningmedia.org/asset/ate10_int_solarcell/
http://www.pbslearningmedia.org/resource/biot09.sci.engin.systems.ethanol/ethanol-biofuel/
http://science.kqed.org/quest/2014/11/14/how-nuclear-reactors-work/
Those sources are always available or are replaced naturally.
Is a resource that does not renew by itself.
-
Electrical energy
: This is energy in the form of electricity.




-
Thermal energy
: This is energy in form of heat.




-
Light energy
: This is the energy in the form of light.




-
Nuclear energy
: This type of energy is stored in the atomic structure of all matter.




-
Calorie
: A unit of energy. It is often used to measure the amount of energy that food provides.




-
Renewable sources
: Those sources are always available or are replaced naturally.






-
Non-renewable sources
: Is a source that does not renew by itself and is limited.




-
Pollution
: Substances released into environment that damage or kill living things.




-
Acid rain
: rain that contains pollutants. It damages plants and buildings, and pollutes surface water like rivers.

Radiation
Conduction
Convection
http://www.centennialbulb.org/cam.htm
http://www.luzete.es/duracion-bombillas
How many calories we need daily?
Political World Map
http://image.guardian.co.uk/sys-files/Guardian/documents/2011/02/10/CarbonWeb.pdf
The world in carbon dioxide emissions
Global Warming
The year 2014 now ranks as the warmest on record since 1880.
We know enough about climate change -
It's time for decisions now!
Have you taken your temperature lately?
The Earth has, and it’s getting hot in here.
Full transcript