Question

drag over the word that goes best with the image
magnetism
lodestone
navigate

Explanation:

The image shows a horseshoe magnet with magnetic field lines (the wavy lines), so the concept related to magnets and their force is magnetism. Lodestone is a type of magnetized rock, and navigate is about direction - finding, neither matching the magnet - field - related image as well as magnetism.

Answer:

magnetism