Gold Seal Lesson:
Washing Lincoln's Face

Copernicus Education Gateway

 

Subject:

Science

Grade:

 

 

K-4

 

 

ICLE Standards:

 

 

Science as Inquiry - Understanding about science inquiry.

 

 

Performance Task:

 

 

Students will be introduced to common kitchen ingredients and their ability to do work, in this case to clean a penny.

Students will need: vinegar, salt, sugar, a copper penny, three small clear cups, paper towels, recording paper and pencil, and a work station with their name marked on masking tape to avoid confusion during the experiment.

First, students should identify vinegar, salt and sugar by taste and appearance. Then, they should predict which ingredients might clean the penny. Next they plan, sequence, and carry out the experiment; record the effects of each ingredient; and draw a conclusion about which ingredients caused Lincoln's face to get clean.

 

Knowledge / Skills:

 

 

Know and apply the principles of scientific inquiry.  (s114)

Know how to classify matter as a substance or mixture.  (s69)

 

 

Rubric:

 

 

  • Student can identify the ingredients by taste test. 

  • Student can make reasonable predictions as to the ingredients that will give desirable results.

  • Student can plan and sequence an experiment appropriately. 

  • Student can conclude which ingredients caused Lincoln to come clean.

 

 

Keywords:

 

 

CHEMISTRY
CHEMISTRY IN DAILY LIFE                 
EARTH SCIENCE
SCIENTIFIC INQUIRY
PREDICTION

 

 

Grades:

 

 

Kg [x] - 1 [x] - 2 [x] - 3 [x] - 4 [x] - 5 [] - 6 [] - 7 [] - 8 [] - 9 [] - 10 [] - 11 [] - 12 []

 

 

ICLE Application:

 

 

A

 

 

 

 

 

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