Page 60 - ICC Science Dictionary (spreads)

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

spongy The plant tissue in a leaf which B2, B4 state symbol A symbol used in chemical C1
mesophyll has loosely packed cells and air equations to show if a substance
spaces between them to allow is a solid, a liquid, a gas, or an
gas exchange. aqueous solution.
spore A unit of asexual reproduction in B6 states of The three forms in which a substance C2
some organisms. matter can exist (solid, liquid, and gas).
spout A tube or lip that allows liquid to P3 static A lack of movement. It means P2
flow or pour from a container. inactivity or stillness.
stable Atoms are stable if their outer shell C9 static Electric charge that accumulates P2
contains its maximum number of electricity on an insulated object, for
electrons. example because of friction.
stacked bar A bar chart in which the bars are B2 stationary Phase in chromatography that C1, C8
chart divided up into catergories. phase does not move, for instance, the
stage A glass slide with a scale etched B1a, B1b paper in chromatography.
micrometer on it. It is used to calibrate statistics Collection and interpretation of B2
the eyepiece graticule of a data.
microscope. stem cell A cell found in foetuses, embryos B1a, B1b

standard A system in which numbers are B1a, B1b and some adult tissues that can give
form written as a number greater than rise to a wide range of other cells.
1 and less than 10 multiplied by a stent A device, consisting of a wire mesh B2
power of 10 which may be positive tube, used to keep a narrowed or
or negative. blocked coronary artery open.
starch A type of carbohydrate. Plants B2, C7 step-down A transformer that decreases the P2
can turn the glucose produced transformer voltage of the ac supply.
in photosynthesis into starch for
storage, and turn it back into step-up A transformer that increases the P2
glucose when it is needed for transformer voltage of the ac supply.
respiration. sterilisation The process of ensuring that a P4
stars Bodies which give out light, and TP5 sample contains no living things.
which may have a solar system of sterilise To kill any living organisms, usually B3, C10
planets. microbes that might cause disease,
state Solid, liquid or gas. Evaporation is a C2, P3 on an object or in a substance.
change of state from liquid to gas.