Page 56 - ICC Science Dictionary (spreads)

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

repeat unit A part of a polymer that would C7 resistor An electrical component that TP3, P2
make a complete polymer restricts the flow of electrical
molecule if many of them were charge. Fixed-value resistors do
joined end to end. not change their resistance, but
repeatable A measurement is repeatable if Thinking with variable resistors it is possible
the original experimenter repeats scientifically to vary the resistance.
the investigation using same resolution The fineness of detail that can be B1a, B1b
method and equipment and seen in an image - the higher the
obtains the same results. resolution of an image, the more
repel Objects that tend to push apart P2, P4, P5 detail it holds. It is the smallest
because of a force between them distance at which 2 points can be
repel each other. distinguished as separate.
representa- A representative sample is one B2 This is the smallest change in the C3, Thinking
tive sample that accurately represents the quantity being measured (input) of scientifically
whole of the group. a measuring instrument that gives a
perceptible change in the reading.
reproducible A measurement is reproducible Thinking
if the investigation is repeated scientifically resource A supply of something (eg money C3
by another person, or by using or materials) that can be used.
different equipment or techniques, respiration The chemical change that takes TB5, B2, B4,
and the same results are obtained. place inside living cells, releasing B5, B7a, B7b

reproductive The organs and tissues involved in TB3, B2 energy from glucose.
system producing offspring. respiratory A substance broken down by B4

repulsion The force that pushes things away TP4, P2 substrate respiration to release energy.
from each other, e.g. similar poles respiratory Replaces oxygen and removes TB4
of two magnets. system carbon dioxide from blood.

resin Raw plastic, especially when in C10 The organ system where air is B2
semi-liquid form. taken into and out of the body,

resistance The property of a material that TP3, P2 and gas exchange happens.
limits or restricts the flow of respire To engage in respiration, the B2, B7a, B7b
charged particles through it. process that releases energy from
Resistance is measured in ohms. glucose inside living cells.