Presentations: Here is some of the delight driven presentations we heard about today: rocks, hurricanes, chemical reactions, cotton, and compost. Presentation Reminders: Provide an image or a hands-on example. Highlight key-words, or use bullet points on an index card. Practice presenting before you come Project your voice, so that everyone can hear you. (I usually say to bounce your voice off the back wall.) Science Time: This week we introduced another natural force. Magnetism. We learned that magnetism is an invisible force or field. This week we focused the magnetic field and on magnets. Students learned that a magnet is a special material whose molecules are arranged so that their electrons spin in the same direction. This molecular structure creates a magnetic force that flows from one side (or pole) to the other. In class, we placed magnets under a piece of paper and sprinkled iron filings on top of the paper. This allowed us to see the ma