Page 27 - ICC Science Dictionary (spreads)
P. 27
Word Definition Topic(s) Word Definition Topic(s)
fermentation Type of anaerobic respiration C3, C7 filtering The process of passing a mixture C3
carried out by yeast. through a device - soluble
fermenter A tank containing nutrients, which B7a, B7b substances pass through the
is used to grow large numbers of filter as a 'filtrate' but insoluble
bacteria or yeast in anaerobic substances or unwanted material
conditions, so that they respire will stay in the filter as a 'residue'.
anaerobically. filtration Method used to separate an C1, C4
fertilisation Joining of a nucleus from a male TB2, TB3, B1a, insoluble solid from a liquid using a
and female sex cell (gamete). B1b, B6 physical barrier such as paper.
fertiliser Nutrients added to the soil to C10, TB5 finite Something that has a limited C7, P1
increase the soil fertility, allowing number of uses before it is depleted.
plants to build more tissues. For example, oil is a finite resource.
fertility The ability to reproduce. B5 finite Resource that can only be used C10
resource once and is in limited supply. For
fetus (foetus) An unborn baby. Usually eight B2 example, oil is a finite resource.
weeks from conception.
fixed resistor Electrical component with a P2
fibres Long, thin strands. C10 resistance that is fixed and cannot
be changed.
field The area where objects TP3,TP5
experience a force. E.g. If an flaccid Lacking turgor. Lacking in stiffness B1a, B1b
object is in a gravitational field it or strength. Soft and floppy.
will experience a pull. flame test A qualitative identification C8
field of view The area seen when looking B1a, B1b, B2 technique where samples are
through a microscope. heated and the metal ions present
are identified by characteristic
filament A thin, high resistance wire that P2 flame colours.
gets hot and glows when a
current flows through it causing it flammable A substance that catches fire TC1, C4, C7
to emit heat and light. Filaments easily.
are used in some types of bulb floods An excess of water that does C9
and electrical heaters. major damage to a region.
flower Contains the plant’s reproductive TB2
organs.