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WorksheetsGlossary Unit 3
Total questions: 22
Worksheet time: 15mins
a metal container in which liquids are kept under pressure and forced out in a spray
Atmosphere
Aerosol
Atmospheric
Anthropogenic
Plants are the main source of (a) oxygen.
A drug used to calm people who are very unhappy or worrie
Compositon
Bromine
Bromide
Chlorofluorocarbon
Salt is a ..... of sodium and chlorine.
compound
compositon
altitude
combine
The chapter on plant responses to herbicides reminds the reader that stresses can be......
atom
atmosphere
altitude
anthropogenic
a chemical element that is a greenish-yellow gas with a strong smell, added to water in order to kill organisms that might cause infection
Chlorofluorocarbon
Compositon
Chlorine
Compound
A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen (a)
(a) cause damage to the ozone layer.
We are currently flying at an (a) of 15,000 metres.
Steam is water in its .... form.
air
gaseous
liquid
solid
an atom or small group of atoms that has an electrical charge because it has added or lost one or more electrons
Coolant
Oxygen
layer
Ion
a specially prepared liquid that is used to stop a machine from getting too hot while it is operating
Coolant
Depletion
Global warming
Layer
The heat gradually (a) into the atmosphere.
Data indicates that (a) are present at Venus and Mars.
the simplest unit of a chemical substance, usually a group of two or more atoms
Depletion
Oxygen
Molecule
Ozone
Toxic waste is an example of a ....
dump
bush
dust
pollutant
a form of energy that comes from a nuclear reaction and that can be very dangerous to health
Radiation
photosynthesis
Pesticide
smog
Ozone is the earth's primary filter for (a) radiation.
Above the (a) is the stratosphere which is much more stably stratified.
Most other planets in our solar system have (a)
the layer of a planet's atmosphere above the mesosphere and below the exosphere
Stratosphere
Thermossphere
Troposphere
Ultraviolet
gas or extremely small drops of liquid that result from the heating of a liquid or solid
photosynthesis
Solvent
Vapour
Process
