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Mixing Substances 2

This worksheet offers the student a variety of scenarios in which substances are mixed together, asking them the effects of such mixing and whether the change is permanent or not.

'Mixing Substances 2' worksheet

Key stage:  KS 2

Curriculum topic:   Properties and Changes of Materials

Curriculum subtopic:   Dissolving and Solutions

Difficulty level:  

Worksheet Overview

 Barney and Tim are finding out what happens when certain substances are mixed together. They are interested in OBSERVING any changes and trying to find out whether the change is permanent ( IRREVERSIBLE) or temporary (REVERSIBLE).

 

 

 

They start by drawing up a chart to write their results in:

 

 

NAME MIXED WITH RESULT CHANGE?
sand water did not dissolve reversible
salt water   reversible
sugar water dissolved - clear  
instant coffee water dissolved - brown irreversible
Andrews salts water fizzed - gas produced irreversible
bicarb of soda water did not dissolve reversible
bicarb of soda vinegar fizzed - gas produced irreversible
boiled sweet water dissolved - pink reversible
dirty 2p coin lemon juice coin clean/juice dirty irreversible

 

 

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