Trinity Academy
Science Mastery Curiculum
Elementary 1
Atoms, elements, compounds, mixtures and simple separation techniques
Overview – Chemistry E2
Lesson
Objective
1. Differences
between atoms,
elements, mixtures
and compounds
Be able to classify atoms,
elements, compounds and
mixtures using particle diagrams
and formulae
2. Correctly
identify atoms,
elements,
compounds
and mixtures
shown in
particle
diagrams
Correctly
identify
atoms,
elements,
compounds
from
formulae
3.Chemical
symbols and
formulae for
compounds
Be able to identify
elements using symbols
from the periodic table
Be able to describe the different
properties of elements
4.The concept of a
pure substance.
Mixtures made by
dissolving and
separation by
evaporation
5.Simple
techniques for
separating
mixtures filtration
6. Simple
techniques for
Outcomes/skills
•
Correctly identify atoms, elements,
compounds and mixtures shown in particle diagrams
•
Correctly identify atoms, elements,
compounds from formulae

identify elements using symbols from
the periodic table

match different properties to different
elements
Be able to recognise compound
formulae and observe the
differences in properties of a
compound and its constituent
elements whilst making a
compound
Be able to recognise the
differences between water and a
solution. Be able to use
evaporation to prove that
dissolving is a mixture and not a
chemical reaction


Identify compounds from their formulae
Deduce the number of elements from a
given compound
Describe the differences in properties
between a compound and its
constituent elements
Describe the differences between water
and a solution
Describe the results of evaporation in
terms of pure, mixture and particles.
Be able to recognise
differences in solubility
Be able to use filtration to
separate an insoluble solid from a
mixture
Be able to recognise
differences in melting
points and boiling points







Describe the differences between the
solubility of several different solids
Label a filtration apparatus diagram
Explain how a filter paper works.
A labelled diagram of distillation
apparatus
A description of how distillation works
Trinity Academy
Science Mastery Curiculum
Elementary 1
separating
mixtures
distillation
7. Simple
techniques for
separating
mixtures
chromatography
8. Simple
techniques for
separating
mixtures filtration,
evaporation,
distillation and
chromatography
and how this is used in
distillation.
Be able to describe how
distillation works and give
examples of its uses.
Be able to describe ink as a
mixture of coloured soluble
dyes
Be able to use
chromatography to
separate mixtures of dyes.
Be able to choose the best
separation method for a
range of mixtures.
Be able to describe why the
method works for each
mixture.

A simple explanation of why salt is left
as the residue and why distilled water is
pure.( more able).


A labelled diagram of a chromatogram
Written interpretation of chromatogram
results
( some write an explanation of why dyes
separate)


A successfully completed worksheet or
report outlining the methods chosen ,
the explanation of why these methods
were chosen for the separation of a salt
and sand mixture.
Samples of the separated pure
substances.