Part 2: Magnetic Forces of the Unknown

Objectives
Students will:

· Record the magnetic attraction, repulsion or indifference of the object inside the   box
· Draw a scan to show areas of attraction
· Analyze the scan to describe the structure
· Critique the magnet probe and how it is used

 
Materials Needed
(For the teacher)
       · Scoring Guide 2 for yourself
       · Scoring Guide 2 for each student (optional)
       · Scoring Guide 2 for overhead
(One set of materials per group of 2-3 students)
       · Observation box: Small shallow cardboard box (approximately 3×3×2) such as a          jewelry box
       · Random objects that fit into the box that are attracted to or repelled by magnets
       · Student Guide 2 (one for each student)
       · 3 pieces of scan paper or graph paper
       · Ruler
       · Pen
       · 4 Small but strong magnets
       · Scissors
(For the class)
       · Glue Gun
       · Decorating Material - crayons, markers, construction paper, tape, etc. (Optional)
       · Tape


Time:
25 - 45 Minutes

 



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This work was supported by the Center on Polymer Interfaces and Macromolecular Assemblies (CPIMA)
as part of the NSF Materials Science and Engineering Center program under Grant DMR 9808677

Copyright 1996 - 2003, Leland Stanford Junior University. All rights reserved.