GCSE: P3 Energy Resources Flashcards
What are Biofuels?
Any fuel taken from living or recently living materials, such as animal waste.
What does carbon-neutral mean?
This is biofuels form living organisms that takes in as much carbon dioxide from the atmosphere as is released when the fuel is burned.
What is geothermal energy?
Energy released by radioactive substances deep within the Earth.
What is the National Grid?
A network of cables and transformers used to transfer electricity from power stations to consumers.
What is Nuclear Fuel?
Substances used in nuclear reactions that releases energy due to nuclear fission.
What is the reactor core?
the thick steel vessel used to contain fuel rods, control rods and the moderator in a nuclear fission reactor.
What is renewable energy?
Energy from natural sources that is always being replenished so it never runs out.
How does Hydroelectric Power work?
All streams and rivers flow downhill. Before the water flows down the hill, it has potential energy because of its height. Hydropower systems convert this potential energy into kinetic energy in a turbine, which drives a generator to produce electricity.
How does Tidal Power work?
Tidal energy is created using the movement of our tides and oceans, where the intensity of the water from the rise and fall of tides is a form of kinetic energy. Tidal power surrounds gravitational hydropower, which uses the movement of water to push a turbine to generate electricity.
How does Geothermal energy work?
Small underground pathways, such as fractures, conduct fluids through the hot rocks. In geothermal electricity generation, this fluid can be drawn as energy in the form of heat through wells to the earth’s surface. At the surface, that energy is converted to steam, which drives turbines that produce electricity.
How does solar power work?
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 response to an internal electrical field in the cell, causing electricity to flow.
