1. ASSESSMENT: C2a Plate tectonics KEY WORDS: Subduction Plate tectonics Lithosphere Draw a labelled diagram of the Earth’s structure What is the lithosphere? Why does the lithosphere float on the mantle? What is the theory of plate tectonics? How fast do plates move? Why do scientists study the structure of the Earth and how do they do it? Why is it difficult to study the Earth? Why do people live near volcanoes? Describe what happens in subduction What evidence did Wegener use to come up with his theory? What new evidence supported it? Which rock is hardest, marble, limestone or granite? Why? How does the type of rock affect how volcanic eruptions?

2. ASSESSMENT: C2b Revision –Building Materials KEY WORDS: Thermal decomposition Reinforced concrete limestone What is used to make Glass Sand Aluminium Give the name of three building materials Describe three drawbacks of a limestone quarry Describe three advantages of a limestone quarry What is thermal decomposition? Write a word equation for thermal decomposition Write a balanced symbol equation for thermal decomposition What is reinforced concrete? Why is reinforced concrete better than ordinary concrete? What is calcium hydroxide used for? concrete calcium oxide CaO calcium hydroxide Ca(OH) 2 calcium carbonate CaCO 3 cement mortar 1 2 Step 1 The name of the process Step 2 What is added? Step 3 What is the limestone heated with? Step 4 what is added? Step 5 What is added? 3 4 5

3. ASSESSMENT: C2c Extracting Copper Label the diagram KEY WORDS: Electrolysis Electrolyte Anode Cathode Explain what each of the words mean Electrolysis Electrolyte Anode Cathode Complete the sentences Copper sulfate solution is an …………………………………. The negatively charged electrode, the ……………………………………… is made from ………………………. copper During electrolysis, it …………………………. mass as copper is deposited. The positively charged electrode, the …………………………………………… is made from …………………………….. copper. During electrolysis, it ……………………….. mass as copper dissolves. Turn the words into equations Copper ions, Cu 2+ gain two electrons to form copper atoms. Copper atoms, Cu, lose two electrons to form copper ions, Cu 2+ Oxidation Is Loss of electrons Reduction Is Gain of electrons Why is the reaction at the cathode reduction?

4. ASSESSMENT: C2c/d Metals and Alloys KEY WORDS: Alloy Shape memory alloy recycling What is an alloy? Fill in the table AlloyMain metalsUsed for Amalgam Brass Solder Why are alloys useful? Give an example of a shape memory alloy Describe how it works Why should we recycle copper? What makes recycling difficult? What are shape memory alloys?

5. ASSESSMENT: C2d Corrosion KEY WORDS: Rusting Corrosion What is needed for rusting? Why is rusting a problem? What are the disadvantages of building cars from aluminium? What are the advantages of building cars from aluminium? How are iron and aluminium similar? How are iron and aluminium different? Why is steel a better material than iron? Write a word equation for rusting Why doesn’t aluminium corrode? What advantages are there to using recycled materials in cars?

6. ASSESSMENT: C2e Making ammonia KEY WORDS: Reversible Yield Compromise optimum Write a word equation for making ammonia Write a symbol equation for writing ammonia What does the ⇌ mean? Give some uses of ammonia Describe and explain the conditions used to make ammonia Explain why the pressure is a compromise What affects the cost of making a new substance? Explain why the temperature of 450 o C is chosen What does ‘yield’ mean? Why is a low yield acceptable in the Haber process?

7. ASSESSMENT: C2f Making salts KEY WORDS: Salt Acid Alkali Neutralisation indicator Acidic solutions all contain… Acidic solutions have a pH of… Acids turn litmus …. And universal indicator…. Alkaline solutions all contain… They have a pH of… They turn litmus… And universal indicator… Write a word equation for the reaction between an acid and a base Write the word equation for the reaction between an acid and a carbonate Write an ionic equation for neutralisation What does an indicator do? Why is universal indicator more useful than litmus? What salts are made from hydrochloric acid? What salts are made from sulfuric acid? What salts are made from nitric acid? What salts are made from phosphoric acid? Copper oxide + sulfuric acid  Potassium hydroxide + nitric acid  Ammonia + hydrochloric acid  Calcium carbonate + sulfuric acid  Sodium hydroxide + phosphoric acid  Sodium carbonate + hydrochloric acid 

8. C2g Fertilisers ASSESSMENT:KEY WORDS: Fertiliser Nitrogen eutrophication Why are fertilisers used? What essential elements are in a fertiliser? Why do fertilisers need to be soluble? Describe how to make a dry sample of ammonium sulfate How many atoms altogether are there in (NH4)3PO4? Complete the flow chart to show the process of eutrophication How many elements are there in the fertiliser (NH2)2CO? How many nitrogen atoms are there in NH4NO3? How do fertilisers work? Fertiliser washes into a river or lake fish and other animals die

9. C2h Chemicals from salt ASSESSMENT:KEY WORDS: Brine Solution mining Electrolysis Bleach subsidence Where is salt found? How do we extract salt? How can mining lead to subsidence? Label the diagram What happens at the cathode? What is chlorine used for? What is hydrogen used for? What is sodium hydroxide used for? What happens at the anode? What is brine? How does sodium hydroxide form? Why are inert electrodes used? How do we test for chlorine?