Download 3 - Reading Girls` School

C5
Chemicals of the natural environment
Name ___________________________ Class _________ Date _________
Learning objectives
Topic
Objectives
I have
studied this
C5.1
Revise the structure of the Earth.
I have
revised this
Learn about the four spheres of our environment.
C5.2
Learn about the composition of the air.
Understand the nature of the molecular substances in the
atmosphere.
C5.3
Explain how covalent bonds and molecules are formed.
Understand different ways of representing covalent molecules.
C5.4
Learn about the chemicals which make up the hydrosphere and
how they got there.
Explain the properties of seawater.
C5.5
Explain how and where ionic bonds and giant ionic lattices are
formed.
Understand the properties of ionic compounds.
C5.6
Learn about the main elements which make up the biosphere.
Describe the type of molecules found in all living things.
C5.7
Understand how the elements needed by living things take part in
cycles.
Interpret flow charts showing cycles such as the nitrogen cycle.
C5.8
Learn about the lithosphere and the rocks and minerals that
make it up.
Explain the difference between rocks, minerals and gemstones
and give examples of each.
C5.9
Understand the bonding, structure and importance of silicon
dioxide in minerals.
Explain the properties of silicon dioxide and other elements or
compounds with similar bonding and structure.
C5.10
Learn about ores and what makes a rock suitable for use as an
ore.
Describe and understand how metals can be extracted from their
ores by heating with carbon.
C5.11
Explain how metals can be extracted by electrolysis.
Calculate the mass of metal that can be extracted from an ore,
given its formula.
C5.12
Describe the main properties of metals.
Explain the properties of metals in terms of their bonding and
structure.
© Pearson Education Limited 2007
Longman 21st Century Additional Science OCR Higher Copymaster File
187