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PPT
Curated OER

Waves: Sound and Light

For Teachers 7th - 12th
A few definitions related to waves open this slide show. Note that the information only covers light waves even though the title mentions sound. Correct the title before using this resource. Another mention is a set of photos of a class...
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PPT
Alvord Unified School District

Taking Good Care of Ourselves: Personal Hygiene

For Students 5th - 8th Standards
Freshen up your classroom (and students) with this personal hygiene presentation. Colorful images and clear language help adolescents learn about the changes their bodies are undergoing and the things they can do to ease the transition...
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PPT
Curated OER

Prior Knowledge Investigation-Food Webs

For Teachers 7th
Students explore food webs. They identify any misconceptions of producers, consumers or decomposers and their relationship within a food web. Students draw an example of a food web for each of the examples that are given. They address...