Friction resources

Students compare cars from different eras. They describe how different features of modern cars make them safer. The task assesses students' understanding of how technology can make cars faster and safer.

Task: students investigate the rolling distance of marbles on different surfaces. Assessment focus: processing information to answer a question.

Task: Select cards to show how to control the variables of an investigation into the rolling distance of marbles on different surfaces. Assessment focus: controlling variables.

Task: select a card to show how to control the variables of an investigation into the rolling distance of marbles on different surfaces. Assessment focus: controlling variables.

Task: Students answer questions about what will make mountain bike riders go faster. Assessment focus: Air resistance.

Task: Complete a graph from data in a table, and answer two questions. Assessment focus: speed and stopping.

Students suggest why two girls of the same weight go down a slide at different speeds, and then identify the forces acting on the girls. The assessment focus is on the forces of gravity and friction.