Submitted by:Rebecca Boak, Raymond Gabaldon, Los Lunas, NM
Endorsed by: These lesson plans are the result of the work of the teachers who have attended the Columbia Education Center's Summer Workshop. CEC is a consortium of teacher from 14 western states dedicated to improving the quality of education in the rural, western, United States, and particularly the quality of math and science Education. CEC uses Big Sky Telegraph as the hub of their telecommunications network that allows the participating teachers to stay in contact with their trainers and peers that they have met at the Workshops.
Date: May 1994
Grade Level: (2-3) Science
OVERVIEW: - Magnets are pieces of metal that have the power to attract other pieces of metal - Magnets attract objects made of iron or steel - Magnets have a 'N' and 'S' pole - Like poles push away or repel - Different poles pull together or attract OBJECTIVE(s): Classify objects attracted and not attracted by magnets. Analyze materials of objects used Predict the poser of a unit magnet Make a nail magnet RESOURCES/MATERIALS: Large nail, Bar magnet, Small tacks, metal paper clips. ACTIVITIES AND PROCEDURES: 1. Experiment with magnets and various objects. Classify 'Do's' and 'Don'ts'. 2. Analyze the material each object is made of. 3. Predict and then test the power of a unit magnet. Predict and then test the power of two unit magnets. Predict and then test the power of three unit magnets. 4. Complete a worksheet on each of the above activities. 5. Make your own nail magnet. WORKSHEET # 1 Name of Object Material of Object Attracted to Magnet Yes No ________________ _____________________ ____ ____ ________________ _____________________ ____ ____ ________________ _____________________ ____ ____ ________________ _____________________ ____ ____ ________________ _____________________ ____ ____ Use as many objects as you can find. Write two sentences telling what you found out about magnets. WORKSHEET #2 Number of Paper Clips Prediction Test Results 1 Unit Magnet ______________________ ____________ 2 Unit Magnet ______________________ ____________ 3 Unit Magnet ______________________ ____________ Were you surprised by the results? Write two sentences telling what you found out. WORKSHEET #3 Make your own magnet. MATERIALS: Large nail, bar magnet, small tacks. ACTIVITIES AND PROCEDURES: 1. Test your nail by touching it to the tacks. It should not pick them up. 2. Next hold the bar magnet in one hand and stroke the nail across it. Be sure you stroke it in one direction only. Stroke it around 50 times. 3. Test your nail by touching it to the tacks. Presto, you have a magnet!
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