SCIENCE
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37 Terms
ARID
dry and hot (dessert countries)
POLAR
long cold winters + cold short summers (greenland)
TROPICAL
hot, humid with lost of rainfall (caribbean countries)
TEMPERATE
mild summers + cold winters (UK)
MEDITERRANEAN
hot dry summer, cool and wet winter (italy)
CONTINENTAL
short hot summer, long cold winter
WEATHER
A mix of of atmospheric events taking place in a particular place at a particular time.
CLIMATE
long term weather patterns in an area
Ecosystems
environment which supports life made up of abiotic and biotic factors.
Habitat -
where organisms live
Niche -
the role an organism has in the ecosystem.
Population -
organisms of the same species living together
Community -
populations of different organisms living together
ATOMIC MASS/ NUCLEON NUMBER=
protons+neutrons
ALKALI+ACID
neutralization (salt+water)
ACID+METAL
hydrogen+salt
ACID+CARBONATE
salt+water+co2
nitrogen in air
78%
oxygen in air
21%
carbon dioxide in air
0.04%
other gases
1%
Elements
A pure substance made of only one type of atom.
COMPOUND
A pure substance made of two or more different elements chemically joined together.
MIXTURE
Two or more substances mixed together but not chemically joined.
SOLUTION
A mixture formed when a solute dissolves in a solvent.
SOLVENT
The substance that dissolves another substance. Usually present in the larger amount.
SOLUTE
The substance that is dissolved in a solvent.
SOLUBLE
Able to dissolve in a solvent.
INSOLUBLE
Able to dissolve in a solvent.
SATURATED
A solution that has dissolved as much solute as possible at that temperature.
RESIDUE
The solid left behind on the filter paper during filtration.
FILTRATE
The liquid that passes through the filter paper during filtration.
CURRENT
amount of charge flowing through a circuit (amperes/I)
VOLTS
the driving force which pushes the current around the circuit provided by a cell/battery. (Volts/V-potential difference)
RESISTANCE
the difficulty for the current to flow around a circuit (ohms/R)
series circuits
a circuit with components joined one after another in a single loop
parallel circuits
a circuit with more than one loop