Crack the code

A B CDE F GHI J K L MNOP QRS T UV WX

Using particle model

LESSON 6&7

LO- Show understanding by explaining a chemical reaction using the particle model. Success criteriaLevel 6 – Identify strengths & weaknesses of other models Level 5 – explain the particle model of a mixture using diagrams and scientific words in paragraphsLevel 4 – to use the particle model to describe a gas using scientific words in sentences

By the end of the lesson I will be able to:

Using particle model

Solid, liquid, gas??

• Can you draw the following states of matter on your mini whiteboard??

States of matter

• Solid

States of matter

• gas

States of matter

• Liquid

Density

Particle model

• Using your bits of magnesium, iron & oxygen - model what the particles would look like out of playdoh

• Hint think about whether they are elements or not & whether they are solid, liquids & gas

Particle model

• Now that you have made your reactants think about how the products would be formed and show this using your Playdoh.

Drawing the model

• Now you have modelled your reactants and products. Draw them in your ex. book.

Writing word equations

• Magnesium + oxygen = _____ _____

• reactant + reactant products

• Iron + oxygen = _____ _____

• Copper + Oxygen = ________ ______

Writing a word equation

• Abbey reacted silver metal with oxygen in the air. Black silver oxide was formed

• Write a word equation showing the reactants and product formed

CSI

Peer assessment LESSON 7&8

MgOCuONaClH2O

Look at these compounds

What elements do they contain?

Mg

O

Cu

O

Na

Cl

H

O

H

Learning objective : To write an explanation that demonstrates scientific understanding of the reaction of iron with sulphur

Success Criteria Level 6 – Explain using a model in logical paragraphs what happens when a metal reacts with an acid using symbol equations where possible Level 5 – Explain using a model what happens when a metal is added to an acid using word equations where possibleLevel 4 – Describe using sentence what happens when a metal is added to an acid Level 3 – Recall what happens when a metal reacts with an acid

Reacting a metal with a non-metal

18/11/11

• Sulphur and iron reaction.

iron + Sulphur Iron Sulphide

+Fe SFe S

What do we need when writing an explanation

L3 L4 L5 L6

I can use simple scientific

words with help

I often use short sentences or one-word

answers

I can add labels to diagrams

I can represent things using simple models

I use more complicated

scientific wordsUses simple

scientific words correctly

I can annotate diagrams &

text

I use paragraphs

I use diagrams to help explain

I use a model to help explain ‘familiar’ events

I use process & concept words

accurately

I use logically constructed paragraphs

I use annotated diagrams in

my explanation

Uses models to help explain new & complex situations

I begin to use simple models to help describe

I use full sentences

Iron and sulphur reaction.

• Write an explanation that demonstrates scientific understanding of the reaction of iron with sulphur using particle diagrams and paragraphs.

• Using your task sheet aim to achieve your target:-

Key words:- element, compound, mixture, metal, non-metal, reaction.

Peer assessment

Using your success ladder can you give a level and use WWW and EBI to mark your partners model