Explain how to test if a solution is an acid or not, and describe and explain what happens if rusty nails are put in an acid. Assessment focus: acid reactions.
Task: Discuss opinions, presented as a concept cartoon, about why a toy car rolled down a slope eventually stops and develop group explanation. Assessment focus: explanations
Task: Make observations from a photograph, identify potential environmental problems giving reasons, decide which problem is the most important, and give reasons for the choice. Assessment
focus: (1) observation, and (2) identifying and prioritising cause and effect relationships.
This task requires students to describe the three transformations an animal picture has gone through, choosing from reflection, rotation, translation, and enlargement.
Students explain how they can work out how many striped or shaded beads are needed for a number of repeated 'sets', and identify the number of striped and shaded beads for given numbers of sets.