Demonstrate the ability of the lodestone to attract. Ask for explanations. Discuss natural and manufactured magnets. Participants predict what will happen with sand. Distribute sand to groups and test.
Groups report results.
Draw inferences through brainstorming. Activity 2 - Attractions Use various magnets and magnetic materials to quantify the attraction force. Distribute the various magnets to the groups, along with a box of steel paper clips and steel washers. Predict how many paper clips a particular magnet will attract. Repeat for other magnets.