Task: Select the correct reason why a bird on a power line does not get electrocuted and select pictures of danger of electrocution, justifying choice. Assessment focus: understanding of the route taken by electricity/electrocution.
Students review their knowledge of greenhouse gases and the effects of global warming. They identify areas where they are unsure, as well as things they know.
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.
Students are given some information about what to do when whales are stranded on our beaches. They answer three questions using this information to help them.
Task: Students make predictions about evaporation rates of instances where surface areas are a factor, select which variable is being investigated in both examples and explain their answer. Assessment focus: Using knowledge of surface area to make predictions.
Students answer questions about the size of a balloon as the air temperature changes. The resource assesses students' understanding of the effect of temperature on gases.
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.