5 From mountain to sea 1 Keywords: Earth systemserosionweathering Students are asked to explain how a stone from the top of a mountain could become sand on a beach. Students then identify the most likely way stones 'move' from the tops of mountains to the coast. Preview
5 Rock columns 0 Keywords: Earth systemserosionweathering For this task students are asked to explain the cause of weathering of rocks and to identify the hardest and the softest rock in a column of rock. Preview
12 River in flood 5 Keywords: floodingobservationriverssystems thinkingwater cycleweathering In this task students compare two photographs of a river with normal flow and a river in flood. They make inferences based on their observations. Preview