Describe examples of Worksheet 3.3.9; Quick starter; 3.8.9 Understanding Internal energy exothermic reactions exothermic stored in materials Practical sheet 3.3.9; Interactive activity: Explain the energy reactions Exothermic chemical Technician's notes 3.3.9 Reorder the changes taking place reactions (qualitative) sentences to during an exothermic Comparing the describe what reaction starting with the final happens when conditions of a substances react system and describing increases and decreases in the amounts of energy associated with chemical compositions Describe examples of Worksheet 3.3.10; Quick starter; Begin by 3.3.10 Comparing Exothermic and endothermic reactions endothermic and endothermic Practical sheet 3.3.10; Interactive activity: introducing Compare the energy exothermic chemical reactions Technician's notes Drag the statements exothermic reactions (qualitative) changes during 3.3.10 to the correct group reactions, from exothermic and Comparing the - exothermic or 3.3.9 endothermic reactions starting with the final endothermic change conditions of a system and describing increases and decreases in the amounts of energy associated with chemical compositions
3.8.9 Understanding exothermic reactions Internal energy stored in materials Exothermic chemical reactions (qualitative) Comparing the starting with the final conditions of a system and describing increases and decreases in the amounts of energy associated with chemical compositions Describe examples of exothermic reactions Explain the energy changes taking place during an exothermic reaction Worksheet 3.3.9; Practical sheet 3.3.9; Technician's notes 3.3.9 Quick starter; Interactive activity: Reorder the sentences to describe what happens when substances react 3.3.10 Comparing endothermic and exothermic reactions Exothermic and endothermic chemical reactions (qualitative) Comparing the starting with the final conditions of a system and describing increases and decreases in the amounts of energy associated with chemical compositions Describe examples of endothermic reactions Compare the energy changes during exothermic and endothermic reactions Worksheet 3.3.10; Practical sheet 3.3.10; Technician's notes 3.3.10 Quick starter; Interactive activity: Drag the statements to the correct group - exothermic or endothermic change Begin by introducing exothermic reactions, from 3.3.9