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WS_Science By You Activity_Magnetic Forces&Fields_Build A Compass

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+ ward ' s science Page 1 Investigating Magnetic Forces & Force Fields: Building A Compass Submitted by: Rob S. Recommended Grade Level(s): Appropriate for: Grades 6–8 Time Requirements: Prep Time: 30 minutes Activity Time: 40–60 minutes (depending if data is compiled; analyzed & discussed) Teaching Topics & Concepts: • Students will investigate the strength of magnetic fields created by a temporary magnet as well evaluate which material makes for the best compass directional needle. • Students will also show that objects exert forces on each other without being in contact with each other. National Science Standards Alignment NGSS Standards: MS-PS2-3. Strength of Magnetic & Electric Forces. MS-PS2-5. Force Fields Materials: • Container of water (yogurt cup, recycled food container, Styrofoam cup, paper (waxed) soup bowls, etc.). One per group. • Bar magnets (one per group). • Compass directional needle materials (either choose one or use several to compare which material makes the best directional needle) • One of EACH per group (in order to compare which "needle" works best): • Sewing push pin • Small, thin/ light nail (non-galvanized) • Needle and thread needle • Paper clip- straightened out and cut no longer than a sewing needle • "Needle" flotation device (choose one; one per group, as well): • Cork (IE. wine bottle cork): "slice" into discs approximately 1 cm thick. • Bottled water cap (20 oz. soda pop cap, etc.). • Small, thin, light pieces of wood • Paper towels or rags to dry off materials for each class period. This content is being brought to you by the Ward's World, Science By You program. This program brings lesson and classroom activity ideas directly from science teachers around the nation right to you. From best practices to activities, Science by You offers inspiration for every subject and every grade level. Interested in sharing your own content? Learn how today. PMS200 Black 70% Cool Gray 10 Black Astra Regular get for free from dafont.com

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