Download Changing State Level Ladder File

SOLIDS, LIQUIDS AND GASES (LL3-EP)
7E
ICE CUBE POSTER
What is your target level? Use the level ladder to help you reach it.
To get
level
You might:
3
 Draw a melting ice cube.
 State or show what solids, liquids and gases are like.
4
 Describe simply what solids, liquids and gases are like.
 Name the changes between each state.
 Use most of the key words correctly.
5
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6
 Draw particle arrangements accurately using diagrams.
 Describe some differences between particle arrangement of each
state.
 Explain why the ice cube melts and evaporates.
 Use most of the key words accurately.
7
 Explain, in detail, why the ice cube melts and evaporates.
 Use a model of energy or forces to explain the differences in
behaviour of the particles in each state.
 Describe, in detail, the particle behaviour in each state: for example,
how fast are the particles moving? How close together are they? Are
they in a fixed position or moving randomly?
 Draw detailed particle diagrams to explain why the ice cube melts
and evaporates.
8
As for Level 7, but also:
 Use a model of energy and forces to explain the differences in
behaviour of the particles in each state.
 Draw particle diagrams with water particles represented as
molecules.
EP
Describe what solids, liquids and gases are like, comparing them.
Name and describe the changes between each state.
Draw some simple particle diagrams.
Use most of the key words correctly.
As for Level 8, but also:
 Using secondary resources, explain why water in its solid state is
unusual compared with most other solids.
Which level have you achieved? Choose one improvement target and try it.
Y7 LEVEL-ASSESSED TASKS: L EVEL LADDER (L3-EP)
 BADGER PUBLISHING LTD
It is important that you can communicate your ideas clearly in science.
Use this checklist to help:
Literacy tips
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Levels 3 and 4
Spell the key words correctly.
Write in sentences, using capital letters and full stops properly.
Use apostrophes to show contraction and possession.
Use scientific language appropriately.
Levels 5 – 7
Spell the key words correctly.
Write in sentences, using capital letters and full stops properly.
Write in paragraphs where appropriate.
Use apostrophes to show contraction and possession.
Use cause and effect connectives such as: as a result, since... then…,
…because… where appropriate.
Use sequencing connectives such as: firstly/secondly, …then…, after this…
where appropriate.
Levels 8 and EP
As levels 5-7, but also,
When discussing opinions or uncertainty, use connectives such as: for
example…, some people think…, in comparison to…
Numeracy tips
Levels 3 and 4
 Use the correct units.
 When stating statistics, always use metric units, such as kilometres not miles,
metres not feet, kilograms not pounds.
Level 5-EP
 Use the correct, metric units (e.g. m, s, kg).