This lesson is an introduction to the use of a magnetic compass. At a specific location, learners will locate an object using a compass, identify its bearing, and others will attempt to locate the object by only knowing the bearing reading and the... (View More) corresponding location where the bearing was obtained. Next, learners will develop a method for determining if a magnetic storm is occurring, and they will test this method using online information and a compass. This activity requires compasses and access to the Internet. This is Activity 5 in the Exploring Magnetism on Earth teachers guide. (View Less)

This is an activity about the effect of solar storm events on Earth's magnetic field. Learners will construct a soda bottle magnetometer, take it home, collect data over the course of three days, and analyze the results from several of these data... (View More) collection sessions to detect magnetic storm events. This is the eighth activity in the Exploring the Earth's Magnetic Field: An IMAGE Satellite Guide to the Magnetosphere educators guide. (View Less)