Certification Examinations for Oklahoma Educators (CEOE) Practice Exam

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In the context of science activities involving magnets, which potential danger should teachers be aware of?

Using a horseshoe magnet to lift items
Using handheld bar magnets for exploration
Using small magnetic beads for creative projects
Using large alphabet-letter magnets for displays

The correct answer is: Using small magnetic beads for creative projects

The use of small magnetic beads for creative projects presents a potential danger that teachers need to be aware of. These beads can easily be swallowed, especially by young children, posing a significant choking hazard. Additionally, if more than one bead is ingested, they can attract to each other across intestinal walls, potentially leading to severe medical complications. This risk necessitates careful monitoring and consideration when incorporating such materials into classroom activities. In contrast, while horseshoe magnets, handheld bar magnets, and large alphabet-letter magnets can also pose some inherent risks if misused, they do not generally present the same level of acute physical danger as small magnetic beads do. Teachers need to use caution with all magnetic items in the classroom, but the small magnetic beads particularly require vigilance due to their size and the potential for accidental ingestion.