Share ILearn7B (Th.8, less.1&2)
Save to Folder
the use of the sun's energy either directly as thermal energy (heat)
solar power
the process by which the wind is used to generate mechanical power or electricity.
wind power
the use of nuclear reactions to produce electricity
nuclear power
a viscous liquid derived from petroleum
oil
found mainly in underground deposits and widely used as fuel.
coal
a hydrocarbon mixture consisting primarily of saturated light paraffins such as methane and ethane
natural gas
renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.
hydropower
energy derived from natural sources that are replenished at a higher rate than they are consumed
renewable energy
energy comes from sources that will run out or will not be replenished in our lifetimes
non-renewable energy
able or likely to cause harm or injury
dangerous
“not environmentally harmful.”
eco-friendly
a condition or circumstance that puts one in a favorable or superior position.
advantage
an unfavorable circumstance or condition that reduces the chances of success or effectiveness.
disadvantage
costing very little; relatively low in price; inexpensive
cheap
secure from threat of danger, harm, or loss
safe
costing a lot of money
expensive
