Observations/explanation work Drawing conclusions and writing detailed explanations

February 23, 2016 | Author: Horace Cameron | Category: N/A
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1 Chemistry Year 7 Curriculum Planner AUTUMN TERM Week HT Introduction and Investigating Particles Solutions and Separat...

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Chemistry Year 7 Curriculum Planner AUTUMN TERM Week 1 2 3 4 Introduction and Investigating

5

6 7 Particles

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SPRING TERM Week 1 2 Chemical Change

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6

7 8 Acids and Alkalis

SUMMER TERM Week 1 2 Acids and Alkalis

3

3

4

4

5 Revision

HT

HT

6 Exams

HT

9 10 11 Solutions and Separation

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9

12

10

11

13

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7 8 9 10 11 12 13 Reactions of acids with metals, carbonates and investigations

Introduction and Investigating The Bunsen burner Heating safely and Risk Assessing in Science Fair testing and variables and investigating

Science Skills Developed Observation in science Safety in science and risk assessment development Understanding variables and fair tests and the planning and undertaking of own investigation

Particles Properties of different states Heating substances and particles Diffusion

Science Skills Developed Observations/explanation work Drawing conclusions and writing detailed explanations

Solutions and Separation Dissolving and investigating dissolving Saturation and solubility curves Filtration, evaporation and rock salt separation Distillation Solubility and chromatography

Science Skills Developed Drawing conclusions and writing detailed explanations using ideas about particle theory and energy Planning and fair testing Table drawing and the recording of data Interpreting graphs and writing scientific explanations

Chemical Change Test and intro to changes Spot the chemical change Change in mass Losing mass Summary of changes in mass Revision of mass changes and graph work

Science Skills Developed Making observations Observation and explanation using ideas about particles to explain mass during chemical reactions Drawing graphs and using them to describe trends

Acids and Alkalis Indicators pH scale and Universal Indicator Neutralisation and making salts

Science Skills Developed Making observations and recording results in tables Interpretation of results and drawing conclusions Using ideas about particles to explain neutralisation and salt formation

Reactions of Acids and Investigating Indigestion investigation Carbonates and acids Metals and acids

Science Skills Developed Planning and conducting a fair test Interpretation of results and drawing conclusions Interpretation of results and patterns and drawing conclusions

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Year 7 – Chemistry Check List. I can…… Introduction and Investigating Identify potential dangers in the laboratory Explain what risk assessment is and can produce one where I have outlined potential dangers and how I can ensure that I work safely Identify and draw a wide range of scientific apparatus Explain how to safely light a Bunsen Burner and can explain where the hottest part of a Bunsen burner flame is Name the different Bunsen burner flames and outline when I should use each one Give the correct position of the air hole for heating liquids and solids Describe what happens when objects are heated on the luminous flame Identify independent, dependent and control variables for a range of investigations Plan and carry out a fair test suggesting what I need to control to make it a fair test, Choose my own question, highlighting the independent, dependent and control variables I can record results and calculate averages of my results Use tables to present my experimental results including correct details such as a title and clear headings Present meaningful graphs to present my experimental results which include a title, sensible scales, correctly labelled axes, smooth line of best fit (if a scatter or line graph) Use my graph to read off a value which is not in my results table interpret results from my own investigations and use scientific knowledge to explain my findings I can evaluate investigations and practical work suggesting where modifications to my plan would improve the results that I could obtain

Particles Draw a diagram to show the arrangement of particles in the different states - solid, liquid and a gas Relate the arrangement of the particles in a particular state to its properties Explain the properties of the different states of matter using ideas about the arrangement of the particles and their energy Explain what is happening when particles gain heat energy and use ideas about particles and energy to explain what happens when objects are heated Explain how gases or liquids can be spread out through diffusion Solutions and Separation Use the terms, solute, solubility, insoluble, soluble, solution correctly Relate the process of dissolving to particles and their energy Explain what affects the process of dissolving as a result of my own investigative work including what happens at saturation Interpret and explain what is shown in a solubility curve Explain with labelled diagrams how the separation techniques filtration, evaporation, chromatography and distillation are used Use ideas about particles and energy to explain separation techniques Explain how to separate soluble substances from insoluble substances using filtration Explain how to get back a solid that has dissolved by evaporation and how best to get large crystals Explain how to separate several different substances, all of which are dissolved (eg inks in coloured pens) using chromatography Explain how to separate two liquids from each other using distillation

Acids and Alkalis Recognise the names and formulae of the main acids and alkalis we have used including Hydrochloric acid- HCl, Sulphuric acid - H2SO4, Nitric acid- HNO3, Sodium hydroxide- NaOH and Ammonium hydroxide, NH4OH Explain what a pH scale is and give the pH value of acids, alkalis and neutral substances State the colour of acids, alkalis and neutral substances in universal indicator and litmus State what happens when an acid is added to an alkali Write an equation or draw a particle diagram to show what is happening when an acid is added to an alkali when neutralisation takes place Explain how a salt is made at neutralisation and can write an equation to show what is taking place Explain how to remove the indicator when you make a salt Plan and undertake an investigation on indigestion remedies Chemical Change Identify chemical and physical changes Explain what observations could be made during a chemical change Explain what observations could be made during a physical change Explain using ideas about particles why some chemical changes increase in mass, decrease in mass or stay the same mass Draw particle diagrams to show a chemical reaction happening Explain what happens to particles of magnesium when they are reacted with oxygen and can use ideas about particles to explain why the mass increases Explain what happens to the particles of copper carbonate when it is heated and can use my practical observations and understanding of particles to explain why the mass decreases Calculate the % mass loss or gain from a chemical change Write a formula equation for simple reactions

Reactions of acids, metals and carbonates Describe chemical reactions and begin to write equations both word and symbol and draw particle diagrams to show what is happening Write a word equation to show the reaction of a metal with oxygen Write a word equation to show a metal carbonate breaking into carbon dioxide and a metal oxide Write a word equation to show an acid and alkali reacting together Identify gases and describe how to test for oxygen, hydrogen and carbon dioxide Useful Key Words Solvent

solute

soluble

Dissolve

diffuse

reactants

Products

mass

distillation

melting

Subliming (solid  gas)

heat energy

Kinetic energy

Indicator boiling

measuring cylinder control variable

Filter paper pH scale

clear

independent variable

cm3 (centimetre cubed NOT millilitres!)

opaque

random flow

residue

H2 O

Chromatogram particle

evaporate

luminous

Liebig condenser

flask

Insoluble

solubility

particle

Condense

Non-luminous

Neutralisation

Translucent

Evaporating basin beaker

funnel

Bunsen burner

volume

decolourising filtrate

meniscus

suspension

vibrate

acid salt

alkali Alcohol/ethanol

balance crystallisation point CO2 separate dissolving

soot

variables

dependent variable neutralisation

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