Page 22 - ICC Science Dictionary (spreads)

Word Definition Topic(s) Word Definition Topic(s)

earthquake When slowly moving tectonic TC5 egg cell The female sex cell. Otherwise TB3, B1a, B1b
plates collide causing this. called the ovum.

Earth's crust The outer shell of the surface of C9, C10 elastic Elastic materials return to their P5
the planet. original shape and size after being

Ebola Often fatal disease caused by a B3 stretched or squashed.
virus which originated in Africa. elastic An energy store which fills TP1

echo Reflection of sound waves from a TP2 energy store when an object is stretched or
surface back to the listener compressed (squashed).
economic Relating to money, wealth and the C3 elastic Energy stored in squashed, P1, P5
economy, and the production, potential stretched or twisted materials.
distribution and consumption of energy
goods and services. electric The movement of electrically P2

ecosystem The living organisms in a particular TB2, B7a, B7b, current charged particles, for example,
area, together with the non-living C10 electrons moving through a wire
components of the environment. or ions moving through a solution.
effector The organ, tissue or cell that B5 electric field Area surrounding an electric P2, P5
produces a response. charge that may influence other
charged particles.
efficacy The ability of a drug to cure a B3
condition or relieve symptoms. electrical A device in an electric circuit, P2
component such as a battery, switch or lamp.
efficiency The fraction of the energy C10, P1
supplied to a device which is electrical A material that allows current to TP3
transferred in a useful form. conductor flow through it easily, and has a
low resistance.
efficient Performing in the best possible P1
manner with little time, money or electrical Energy transferred by electricity. C4
energy wasted. energy
effort Force used to move a load over a P5 electrical A material that does not allow TP3
distance. insulator current to flow easily, and has a
high resistance.
egestion The process of passing out the B2
remains of food that has not electrical Energy transferred by an electric P1
been digested, as faeces, through work current.
the anus. electricity The flow of charge through a C5
conductor.