Joined On : April 27, 2009

Jeff Klotz

Teacher https://www.teachertube.com/user/channel/Jeffreyklotz
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Hydrate Lab From: Jeffreyklotz
Added: 9 years ago
Views: 1,523
1,523
Hollow Lens Lab From: Jeffreyklotz
Added: 9 years ago
Views: 4,586
4,586
Solid or Liquid? Lab From: Jeffreyklotz
Added: 9 years ago
Views: 5,233
5,233
Lens Maker Lab From: Jeffreyklotz
Added: 9 years ago
Views: 1,132
1,132
Molecular Formula of a Hydrate From: Jeffreyklotz
Added: 9 years ago
Views: 1,131
1,131

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