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Answer questions about rubbish picked up on a beach, and suggest reasons why plastic is the most common rubbish.

Students complete a table for six common objects by stating the material used to make each object and a useful property of that material.

Task: Create, use and identify ‘rules’ based on observable and/or measurable physical properties of common plastics. Assessment focus: classifying & identifying.

Students are asked to identify a solid, liquid, and a gas. They are also asked to write down two things that are generally true for each of these three states of matter.

Students use a list that has some properties of glass to help them answer four questions about glass use.

Task: Describe and compare some physical properties of plastic objects and identify the properties scientists might use for classifying materials. Assessment focus: classifying using physical properties.

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