Energy Resources Flashcards
what is matter?
anything that has mass and takes up space (solid, liquid, gas)
what is energy?
the ability or capacity to do work
what is the first law of thermodynamics?
energy is neither created nor destroyed, but converted from one form to another
what is the second law of thermodynamics? and what is the formula?
in any transformation of energy, some amount of energy will be degraded to a more dispersed, less usable form
- energy = work + heat
what are non-renewable resources?
- fossil fuels
- all fossilized remains of ancient organisms
what are the 3 types of non-renewable resources?
- conventional crude oil/ petroleum
- oil (tar) sands
- Coal
what are the 3 types of drilling used in conventional crude oil/petroleum?
- primary oil recovery: drilling and pumping out oil that flows by gravity in bottom of well
- secondary oil recovery: after removal of flowing oil; water injected to force out thicker oil
- tertiary or enhanced oil recovery: 65% left behind after 1 and 2 recovery; 10% more can be recovered by using steam to soften the heavy oil
what is the oil (tar) sands?
- a type of sandstone that contains bitumen which is a thick, high sulfur, tar like liquid
what are the 2 types to oil (tar) sands mining?
- surface mining: mining when the oil sands deposit is close to the surface
- in situ production- Steam Assisted Gravity Drainage (SAGD): stream injected via pipes underground and water and bitumen is pumped to the surface
what is coal?
-combustible rock formed from vegetation under intense temperature and pressure
what are the 2 main ways to extract coal?
- Surface mining: when coal gets close to the surface its easier to extract, cheaper, and less labour intensive
- Underground mining: when coal is deep in the ground and can potentially be dangerous and harmful to miners health
what are the environmental impacts of fossil fuels?
pollution and habitat fragmentation
what are 3 types of perpetual and renewable resources?
- solar energy
- hydroelectricity
- wind energy
what is solar energy?
sunlight creates electron movement which is converted into electricity
- used in solar panels
what is hydroelectricity?
using kinetic energy of moving water to generate electricity
- using a dam which creates a reservoir, water flows at a controlled rate which turns a turbine that runs a generator and produces electricity