1. 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

2. 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

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

4. 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

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

6. 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……….