Lesson Six – Irreversible Changes

This science teaching pack for Key Stage Two gets the children to identify, describe and test some of the changes that can be made to materials that are irreversible and return to their previous state.
The class can investigate and record what happens when changing the state of bicarbonate of soda and chocolate between solid and liquid states.
Download this teaching pack including a lesson plan, classroom activities and an interactive presentation to identify, describe and test some of the changes that can be made to materials that are irreversible and return to their previous state
Activities in this teaching pack include display posters to identify and describe some of the different ways of changing solid materials and table display cards to test and record results of a test to produce an irreversible change to a material.
The interactive presentation gets the children to explore how to test some of the changes that can be made to materials that are irreversible.
This lesson is part of a science scheme of work to get the children to investigate, test and record how a range of different materials can be changed and altered including the use of dissolving and evaporation. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.
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