Good Science Victorian Curriculum Year 7
Digital sample of Matilda's newest publication, Good Science Victorian Curriculum Year, authored by Emma Craven and Aaron Elias. For more information visit www.matildaeducation.com.au or email Katrina Tucker, katrinatucker@matildaed.com.au
Digital sample of Matilda's newest publication, Good Science Victorian Curriculum Year, authored by Emma Craven and Aaron Elias. For more information visit www.matildaeducation.com.au or email Katrina Tucker, katrinatucker@matildaed.com.au
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GLOSSARY<br />
acceleration any change in the<br />
speed or direction of an object<br />
agriculture the science or practice<br />
of farming<br />
algae organisms living in water that<br />
make food by photosynthesis<br />
angiosperm a plant that produces<br />
seeds in fruit or flowers<br />
annular ring-shaped<br />
antibiotic a substance that kills or<br />
slows the growth of bacteria<br />
aqueous containing water<br />
astronomer a scientist who studies<br />
space and the objects within it<br />
axis a real or imaginary line through<br />
the centre of an object<br />
bacteria microscopic, unicellular<br />
organisms that can live in a range<br />
of environments<br />
biodiversity the variety of<br />
organisms in an ecosystem<br />
biofuel a substance produced from<br />
living things that can be burnt to<br />
create energy<br />
boiling point the temperature at<br />
which something changes from a<br />
liquid to a gas<br />
boom a floating barrier used to<br />
temporarily contain an oil spill<br />
bryophyte a plant that doesn’t<br />
contain vascular tissue<br />
Bunsen burner a piece of<br />
equipment used in science that<br />
produces a single open gas flame<br />
carnivore an organism that eats<br />
only animals<br />
classification the process of sorting<br />
things into groups or classes<br />
coefficient of friction a value that<br />
indicates how easily an object<br />
moves when interacting with<br />
another material<br />
compress to squash into a smaller<br />
space<br />
condensation changing from a gas<br />
to a liquid<br />
condenser a glass tube cooled by<br />
water that cools a gas to become<br />
a liquid<br />
consumer an organism that<br />
gains energy by consuming other<br />
organisms<br />
contract to get smaller; shrink<br />
controlled variables all the things<br />
that need to stay the same during<br />
an investigation<br />
crude oil oil that has not yet been<br />
separated into useable petroleum<br />
products<br />
crystallisation separation of a<br />
solution by evaporating the solvent,<br />
leaving behind solute crystals<br />
cultivation preparing and using<br />
land for crops or gardening<br />
decanting carefully pouring the<br />
liquid from a mixture, leaving the<br />
sediment behind<br />
decomposer an organism that<br />
breaks down and recycles decaying<br />
matter<br />
decomposition the process of<br />
rotting and decay<br />
deforestation the removal of trees<br />
to make land suitable for other uses<br />
deform to change shape<br />
density how heavy something is for<br />
its size; mass divided by volume<br />
dependent variable the thing that<br />
will be measured and is altered by<br />
the independent variable<br />
dichotomous divided into two parts<br />
disinfection destroying bacteria,<br />
often using special light or chlorine<br />
dissolve to mix a solid into a liquid<br />
to form a mixture called a solution<br />
distillation using heating to<br />
separate liquids with different<br />
boiling points<br />
eclipse the blocking of the Sun’s<br />
light from Earth<br />
ecosystem a community of living<br />
and non-living things<br />
energy the ability to do physical<br />
things such as move or change<br />
equinox the two times each year<br />
when night and day are about the<br />
same length<br />
ethics beliefs about what is right<br />
and wrong<br />
eukaryote an organism with a<br />
nucleus and structures inside its<br />
cell(s)<br />
euryhaline the ability to survive<br />
in water with various salinity levels,<br />
from fresh to very salty<br />
evaporation changing from a liquid<br />
to a gas<br />
evidence facts and observations<br />
that can be used to support or<br />
oppose a theory<br />
evolve change over many<br />
generations to adapt to<br />
the environment<br />
expand to get bigger; increase<br />
in size<br />
experiment an investigation carried<br />
out under controlled conditions, to<br />
test a hypothesis<br />
exploration processes undertaken<br />
to find rocks that contain minerals<br />
fair test an investigation in which<br />
only one factor is changed and all<br />
other variables are kept the same<br />
fieldwork an investigation<br />
conducted in the natural<br />
environment, not a laboratory<br />
filtrate the liquid that passes<br />
through a filter<br />
finite limited in size or amount<br />
food chain a path of energy<br />
through an ecosystem<br />
food web a system of interlocking<br />
food chains<br />
force a push, pull or twist on an<br />
object when it interacts with another<br />
object<br />
fossil fuel a natural fuel formed<br />
over millions of years from the<br />
remains of living things<br />
184 GOOD SCIENCE VICTORIAN CURRICULUM 7
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