How important is electricity? Give examples.
It makes all the things work, for example, cell phone, refrigerators,
What are the different kinds of energy? Say 3.
Chemical, Eletric, Sound, Light, Heat...
Can an energy source be renewable?
Yes, it can.
What is a renewable energy?
Energy that comes from natural sources.
What is the opposite of renewable energy?
Non-renewable
What is clean energy ?
Its an energy that produces 0% of carbon
What is the difference between clean energy and renewable energy?
Clean energy profuces 0% of carbon and renewable energy is everything that comes from nature
What are the sources of energy presented in class? Give me 3 examples.
Biomass, Fossil fuel, Solar, Geothermal, Wind, Hydroeletrical and Ocean.
How the biomass energy works?
Its an energy produced by a combustion that producess a high- pressure steam that makes the turbines rotate making the generator produce energy.
How the fossil fuel energy works?
Fossil fuels are burned to produce energy. In large power stations they are burned in the presence of oxygen. As the fuel burns the heat energy is used to heat
How the solar energy works?
When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in r
how the geothermal energy works?
Geothermal power plants use steam to produce electricity. The steam comes from reservoirs of hot water found a few miles or more below the earth's surface.
What kinds of energy do we use everyday?
light energy, heat energy, mechanical energy, gravitational energy, electrical energy, sound energy, chemical energy, etc.
