Students list four properties of copper metal and state if each property is physical or chemical. Students then explain how copper sulfate solution can be separated.
Task: Students fill in a chart to select the best material for making 6 objects, and give reasons for their answers. Assessment focus: properties of materials related to use.
Students are given an outline of an investigation on metal corrosion and a graph of some results. Students' ability to interpret the graph and knowledge of fair testing is assessed via short answer questions.
For this practical task students follow a plan to determine the effects of a weak acid on different building materials. Students need to put their results into a table and write a conclusion.