https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y en-us 2021-05-17 15:09:04 UTC 2024-05-31 22:44:15 UTC hello@padlet.com pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531693422 2021-05-17 15:14:03 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531693422 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531696829 2021-05-17 15:14:45 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531696829 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531701978 2021-05-17 15:15:50 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531701978 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531762007 Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests. Layers of dirt and rock covered the plants over millions of years.]]> 2021-05-17 15:28:22 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531762007 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531768517 Crude oil is a nonrenewable resource that builds up in liquid form between the layers of the Earth's crust. It's retrieved by drilling into the ground and ocean floor, and pumping the liquid out.]]> 2021-05-17 15:29:44 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531768517 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531776072 Nuclear energy is a non-renewable energy source that comes from the nucleus of atoms. Nuclear fusion is when the nuclei of atoms are combined or fused together. Nuclear power plants produce electricity by using nuclear fission. Uranium is a naturally-occurring radioactive element found in rocks all over the world.]]> 2021-05-17 15:31:19 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531776072 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531785301 Natural gas is a non-renewable fossil fuel formed from the remains of tiny sea plants and animals that died 300-400 million years ago. Approximately 90% of natural gas is composed of methane, but it also contains other gases such as propane and butane.]]> 2021-05-17 15:33:09 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531785301 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531792473 Wind is a renewable energy source. Overall, using wind to produce energy has fewer effects on the environment than many other energy sources. ... Wind turbines may also reduce the amount of electricity generation from fossil fuels, which results in lower total air pollution and carbon dioxide emissions.]]> 2021-05-17 15:34:30 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531792473 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531802274 Solar energy is used worldwide and is increasingly popular for generating electricity or heating and desalinating water. Solar power is generated in two main ways: Photovoltaics (PV), also called solar cells, are electronic devices that convert sunlight directly into electricity.]]> 2021-05-17 15:36:25 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531802274 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531815536 Geothermal energy is the thermal energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter. The geothermal energy of the Earth's crust originates from the original formation of the planet and from radioactive decay of materials. ]]> 2021-05-17 15:38:55 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531815536 pranjliaggarwal https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531821609 Biomass is an incredibly versatile substance, able to produce energy through being burned directly, converted into liquid biofuels or harvested as a gas from landfills or anaerobic digesters. Its own source of energy comes from the sun, and as plant matter can be regrown relatively quickly, it is classed as renewable.]]> 2021-05-17 15:40:07 UTC https://padlet.com/pranjliaggarwal/j15l4xuw0rj0453y/wish/1531821609