Difference between revisions of "AY Honors/Plastics/Answer Key"

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{{honor_header|2|1961|Arts and Crafts|General Conference}}
 
{{honor_header|2|1961|Arts and Crafts|General Conference}}
 
==1. Make a list of the materials and equipment used in making small castings in plastic molds. ==
 
==1. Make a list of the materials and equipment used in making small castings in plastic molds. ==
* Plastic resin
+
* Plastic resin  
* Non-waxed paper cup or other disposable container
+
* Catalyst
 +
* Eye dropper (for adding the catalyst)
 +
* Plastic disposable cup
 
* Craft stick (for stirring)
 
* Craft stick (for stirring)
 
* A plastic mold
 
* A plastic mold
 
* An embeddable object
 
* An embeddable object
 +
* Newspapers
 +
* Goggles, gloves, and a smock (or old clothes)
 
* Mold release (optional)
 
* Mold release (optional)
  

Revision as of 00:51, 10 December 2008

Template:Honor header

1. Make a list of the materials and equipment used in making small castings in plastic molds.

  • Plastic resin
  • Catalyst
  • Eye dropper (for adding the catalyst)
  • Plastic disposable cup
  • Craft stick (for stirring)
  • A plastic mold
  • An embeddable object
  • Newspapers
  • Goggles, gloves, and a smock (or old clothes)
  • Mold release (optional)

2. Know how to clean and properly take care of plastic molds.

3. What safety precautions should be used when working with plastics?

4. Tell how to mix resin for casting and colored layers.

5. Why are the following used?

a. Catalyst

b. Surface hardener

c. Pigments

6. What is meant by polymerization?

7. Prepare and embed two nature items suitable for embedding. Nature items may be embedded in one or more castings.

8. Make three castings with at least one item embedded in each casting.