What is a reaction? By the end of this lesson, you will be able to…

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Presentation transcript:

What is a reaction? By the end of this lesson, you will be able to… Describe how compounds are formed. Explain what happens when a chemical reaction takes place. Today’s Activities Thinking: Which of these is a chemical reaction? Experimenting: What happens when you mix different chemicals? Relating: Which is a chemical reaction? Notes

By the end of this lesson you will be able to describe what happens when a chemical reaction takes place Firstly, you need to think about what a chemical reaction is

Which is the reaction? or An ice cube being heated by a Bunsen. A piece of copper being heated in a Bunsen. or

Combining Compounds Mix any solid with any liquid in a boiling tube Solids: Iron Filings Calcium Carbonate Mix any solid with any liquid in a boiling tube Liquids: Copper Sulphate Sulphuric Acid Lead Nitrate Potassium Iodide Sodium Hydroxide Copper Chloride Write down any observations you make

Chemical Reactions Reactant 1 Reactant 2 Observations Iron filings (Fe) Copper Sulphate (CuSO4) Peacehaven Community School November 2003

During a chemical reaction, new materials are made During a chemical reaction, new materials are made. Atoms from the reactants combine to form molecules. The experiment showing the chemical reaction is….. An ice cube being heated by a Bunsen. A piece of copper being heated in a Bunsen. or This is because……….