Find a
Resource
Select grade level(s) Select resource type(s) Select collection(s) Select standard(s) Skip navigation Digital Library for Earth System Education
Digital Library for Earth System Education
Search tips
Results 1 - 2 of 2 DLESE Reviewed Collection = DLESE Reviewed Collection
Comment on this resource
This teacher-directed demonstration provides a conceptual understanding of latent heat. Using the example of a chemical hand warmer, students learn about phase changes from liquid to solid and from solid to liquid and observe that one of these phase changes releases heat while the other requires heat to be added. These concepts are then reinforced in a demonstration which involves heating water and ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Lesson plan, Presentation / Demo
Subject: Atmospheric science, Chemistry, Physics
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is referenced by :
 
This resource is included in the following collections:
New York Instructional Collection    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
DLESE Community Collection (DCC)     Browse collection
Digital Water Ed Library (DWEL)     Browse collection
Comment on this resource
In this demonstration, the teacher will use a potato and hydrogen peroxide to generate oxygen in a closed environment. Students can then observe its effects on a burning wooden splint and on burning steel wool. They will understand that a large amount of energy can be released by the process of oxidation. As an extension, the teacher can discuss how the appearance of oxygen (produced by cyanobacteria) ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Presentation / Demo
Subject: Chemistry
 
Choosing & Using this resource...
Educational standards associated with this resource:
Other: Read
Related resources and collections
This resource is included in the following collections:
New York Instructional Collection    Browse collection