Building Ramps: Provide students with various materials like cardboard, wooden planks, and books. Challenge them to build their inclined planes at different angles. Ask them to predict and test which angle allows objects to slide down most easily and why.
Measuring Angles: Teach students how to measure angles using protractors. Have them measure the angles of various inclined surfaces around the classroom or playground. Discuss how steepness is related to the angle of the incline.
Incline Investigation: Provide students with a variety of objects like balls, toy cars, and books. Ask them to predict and test which objects can roll down an inclined plane (ramp) and which ones cannot. This activity will help them understand how inclined planes reduce the force required to move objects uphill.