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Students are given the definitions for permanent and temporary change. The students then give two examples from the kitchen of each type of change.

Students identify which substances undergo a permanent change when they are mixed together.

For this practical task students complete a table of observations for the following substances: vinegar, baking soda, and vinegar and baking soda mixed together.

Task: Complete two sentences. Assessment focus: definitions of permanent and temporary change.

For this practical task students are assessed on their ability to observe changes that have occurred to 'popping' corn before and after it is heated. Drawings and written observations are required.

A description of two 'reactions' with household chemicals is outlined. For each students identify if the reaction is chemical or physical and provide an explanation for their answer.

For this practical task students record their observations as an egg is poached in water.

Task: Complete a drawing of things found in or near a waterway, and describe relationships between them. Assessment focus: interdependence in a waterways environment.

Task: Students draw a picture of a burning candle to show changes that occur. Assessment focus: representing the way particles behave when material undergoes temporary and permanent changes.