2. energy and the environment

Question 1

fossil fuels

Answer 1

a carbon-based fuel formed over millions of years from the decay of living matter

Question 2

electromagnetic induction

Answer 2

a process used for generating electricity that uses the movement of a metal coil and a magnet

Question 3

generator

Answer 3

a machine that converts mechanical energy into electrical energy

Question 4

turbine

Answer 4

a machine often containing fins that is made to revolve by the use of gas steam or air

Question 5

burner

Answer 5

a receptacle used to hold fuel as it is burned

Question 6

boiler

Answer 6

a vessel used to heat water to convert it into steam

Question 7

bioethanol

Answer 7

creation of ethanol from fermentation

Question 8

biogas

Answer 8

creation of methane from the breakdown of organic materials in an anaerobic digestor

Question 9

fracking

Answer 9

the common term for hydraulic fracking , the process of obtaining oil or gas from shale rock by breaking open rocks using water, sand and chemicals

Question 10

proppant

Answer 10

a material such as sand used to keep cracks in the shale rocks open to allow gas or oil extraction

Question 11

double-hulled

Answer 11

a ship design that uses a second layer allowing the cargo to remain safe if the external layer is damaged