Assessment Criteria - Science (Chemistry) - Year 7

KS3 Level

METALS AND NON METALS

SEPARATING MIXTURES

PARTICLE MODEL

ACIDS AND ALKALI

Projected KS4 Grades

5

Apply your knowledge of displacement to explain what would happen if aluminium was placed into a solution containing an iron compound.

Apply your knowledge and explain in details using scientific vocabulary how unknown mixtures can be separated.

Apply your knowledge of particle arrangement and explain in detail the effect of temperature on an ice cube.

Given the names of an acid and an alkali, work out the name of the salt produced when they react.

 9

4

Explain in detail what the reactivity series shows and how it is organised

Explain in detail how distillation and chromatography work,  correctly using some keywords

Explain how the particle arrangement is linked to the properties

Evaluate the usefulness of different indicators.

8

3

Explain what happens when metals are put into acids i.e. write a word equation and explain what the word equation shows.

Explain in detail how evaporation works correctly using some keywords

Explain how particle movement is different in solid, liquid and gases.

Explain how neutralisation reactions are used in a range of situations.

7

2

Describe what gas is made and how we know a gas is being formed when we react a metal and an acid.

Explain filtration and evaporation using ALL relevant keywords.

Draw a simple particle diagram for each state, showing the particle arrangements.

Explain how to make a neutral solution from an acid and alkali.

6

1

Describe what happens when metals react with oxygen
Identify the product made in these types of reactions.

Describe what distillation and chromatography are

Correctly describe and explain the changes in state during evaporation and condensing.

Describe what an indicator is used for

5

WT+

Describe some of the properties or metals and non-metals.

Describe what evaporation is and describe how it works

Correctly describe the changes in state during melting and freezing.

Describe the layout of the pH scale in relation to colours and pH values.

4

WT

Describe the appearance of metals and non-metals.

Describe what filtration is and describe how it works

Describe the properties of the 3 states of matter.

Describe the properties of acids and alkalis.

3

WT-

Identify what type of material iron and aluminium are

State names of the pieces of equipment

State the 3 states of matter.

Identify the pH ranges for weak and strong acids, neutral, weak and strong alkali.

1/2

Each KS3 level can be subdivided into:-

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