Tema 3 - Energy Flashcards
Boiler
Calentador
Pellet
Compress wood
Solar panels
Paneles solares
What is a passive house?
An efficient home
What are the form of energy?
1- Light energy
2- Thermal energy
3- Sound energy
4- Chemical energy
5- Electrical energy
6- Mechanical energy
7- Nuclear energy
What are renewable energy?
1- Solar energy
2- Wind energy
3- Hidraulic energy
4- Biomass energy
5- Geothermal energy
What are non-renewable energy?
1- Fossil fuels
2- Uranium
What is light energy?
The energy from the sun
What is the thermal energy?
Energy from the sun
Energy from the gas
Energy from the fossil fuels like petroleum
What is the sound energy?
Energy from the waves it can be heard, sound of music, sound of wind
What is chemical energy?
Chemical reaction
What is the nuclear energy?
Produced by splitting an atom of uranium
What is a mechanical energy?
1- Kinetic energy
2- Potencial energy
What is the measure of energy?
1- Jule
2- kilowatt per hour
What is the solar energy?
Energy from the sun, it can converted in electrical energy or thermal energy
Advantages of solar energy?
1- Not dangerous for health
2- Not pollution
3- Not create dangerous waste products
Disadvantages of solar energy?
1- Solar panels need a lot of space
2- Sunlight is not distribuyed equally everywhere
3- Cloud days
What is the wind energy?
The wind move turbines, turbines genered electricity
Advantages of wind energy?
1- Cheap tu run
2- It is possible install in many place around of the world
Disadvantages of wind energy?
1- Not provide constan energy
2- Cause enviroment impact
3- Kill the birds with de turbines
What is a hydraulic energy?
Energy produce by the water store in a hight altitude, this energy is generate when it falls
Advantages of hydraulic energy?
1- It is very cheap and safe
2- Energy can be generated and used when it is needed
Disadvantages of hydraulic energy?
1- The construction of dams damages habitats and cause biodiversity loss.
2- Seasons and droughts can affect production of energy
What is biomass energy?
Energy produce by burning organic material
Advantages of biomass energy?
It is cheaper than fossil fuels
Disadvantages of biomass energy?
1- Air pollution and global warning
2- It is not very efficient
What is geothermal energy?
Heat from within the earth
Advantages of geothermal energy?
It is a cheap and safe
Disadvantages of geothermal energy?
1- Limited certain geographics areas
2- Environment impact
What forms of fossil fuels?
1- Coat
2- Crude oil
3- Natural gas
What is coal?
Sedimentary rocks that is burnt and produce energy
Advantages of coal?
Cheap and reliable
Disadvantages of coal?
1- air pollution
2- Mining is dangerous
What is crude oil?
It is taken from the bottom of the sea or the land
Advantages of crude oil?
1- Reliable
2- It is used to make different materials such as plastic
Disadvantages of crude oil?
1- Air pollution
2- Sea pollution
3- Expensive
What is natural gas?
It is a methanol is used to cooking
Advantages of natural gas?
1- Reliable
2- Cheaper than oil
Disadvantages of natural gas?
1- Flammable
2- Poisonous
What is uranium?
Uranium is used in nuclear power plants to produce steam, which is used to generate electricity
Advantages of uranium?
1- It is reliable
2- Not produce greenhouse gases
Disadvantages of uranium?
1- Dangerous radioactive
2- Risk of accident
How has energy changed our society?
1- Stone age: discovered fire, food can be cooked, heat and light
2- Ancient History: use water and wind, windmills, watermills
3- 1700, industrial revolution: coal and steam, people move from de rural to the city, became pollution, discovery electricity.
4- 1800, use of petroleum in engine vehicules, travelling faster, more pollution.
5- 1900, nuclear power plant to generate electricity (1950), its reduce use of fossil fuels, 1970, alternative cleaner energy source.