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Properties of Clay (lesson plan)

Abstract

Students will examine the physical properties of soil by studying works of art, testing local samples, and using soil to create their own works of art.

Grade Levels
6th Grade
NC Standards Correlations
Science
6.E.2.3
Social Studies
6.G.1.4
Visual Arts
6.V.1.1, 6.V.3.3, 6.CX.1.1, 6.CX.2.2

Artwork Related to this Lesson

  • Peccary Effigy Jar

    Peccary Effigy Jar, by Unknown Costa Rican Artist

    Pre-Columbian Costa Rican and Nicaraguan ceramic artists excelled in combining

    learn more

Student Learning Objectives

  1. Students will compare and contrast different soil textures.
  2. Students will examine the physical properties of clay and determine its suitability as an art material.
  3. Students will use knowledge of Costa Rican geography to determine the availability of clay as a natural resource and art material.
  4. Students will compare and contrast the composition and characteristics of clay found in the soil with those of manufactured clay.
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Activities

Day 1

1. Break the class into small discussion groups. Assign each group an image of one of the three ceramic works of art. Ask the students to discuss the work as a group and make a list of the physical characteristics of the work of art (or what they see).

2. After students have a list of observable characteristics, ask the students to work as a group to write a paragraph or create a graphic organizer that describes the physical properties of clay based on their ceramic object and list of observations.

3. Have the groups present their analysis to the class.

4. During the presentations, create a class chart that lists clay’s physical properties, noting areas of variability such as color and texture.

5. Lead a discussion about natural resources. Ask students to make predictions about what natural resources were available during this time in Costa Rica and how they could be used. Questions include: What natural resources do you think were available to people living in Costa Rica at this time? (gold, clay, wood) How can artists use these materials to create works of art? Where would artists have gotten these materials during this time in Costa Rica?

6. For homework: Have students research natural resources in Costa Rica to confirm their predictions. Ask students use the Costa Rica Natural Resources Research Handout to guide their research. Students should also bring in a small (quart-size bag) sample of soil from around their home.

Day 2

7. Discuss the research students completed about Costa Rica’s resources. Share the background information about each piece of ceramic art. Discuss natural resources and how they are used for art materials. Questions include: What natural resources were available to people living in Costa Rica at this time? (gold, clay, wood) How can artists use these materials to create works of art? Where would artists have gotten these materials during this time? Why would these materials be good mediums to use to create art? What drawbacks might these materials have?

8. Discuss soil texture with the class by showing the Soil PowerPoint.

9. Have students complete the “What’s Your Soil Texture?” lab using soil samples that the students supply from around their homes. Review soil texture by doing a Texture-by-Feel analysis and by using the Soil Triangle. To use the Soil Triangle, students will create a “soil shake.” Allow these to settle overnight.

Day 3

10. Compare the results of the soil texture lab. Students will measure each layer of their “soil shake” and create a ratio of each layer of the soil’s texture compared to the entire sample. Students will then convert these into percentages and use the Soil Triangle to determine their soil’s texture. Students will complete the “What’s Your Soil Texture?” analysis and conclusion questions.

11. After students have determined the texture of each sample, label and group the local soil samples as clay, sand, and silt. Allow students to make observations of each group (sand, silt, clay) and compare and contrast the soil samples by using the Soil Texture Graphic Organizer. Students should observe physical characteristics, texture, color, and consistency. Students should use the sense of touch to observe as well as observe the soil using a hand lens.

12. As a class, discuss the properties of materials that may be appealing to an artist (malleability, color, availability). Ask students to use their comparisons of the sand, silt, and clay to evaluate each type of soil to be used for art making. Have students write a short paragraph describing which soil texture they believe would be the best to use for creating ceramic art. Students should use their analysis of the soil (from their graphic organizer) to defend their reasoning.

13. Have students compare the physical characteristics of the local samples of soil with clay purchased from an art-supply store. As a class, discuss the reasons the store-bought clay has been manufactured to accentuate particular physical properties.

Day 4

14. Project and discuss Spring on the Missouri by Thomas Hart Benton. Questions may include: What do you see in this picture? What do you think is going on? What do you see that makes you say that? What natural force is shown in this picture? How do natural forces affect the environment, humans, and other creatures? How are the people reacting to this natural phenomenon? How does the artist use texture in this painting?

15. Discuss background, middle ground, and foreground of paintings. Have students pick out the background, middle ground, and foreground on Spring on the Missouri. Ask students: How does the artist distinguish between each one? What effect does this have on the painting?

16. Using a large (11×14) piece of poster board, have students sketch a dramatic nature scene. Tell students to be sure that their drawing shows the difference between the background, middle ground, and foreground.

17. Tell students that they are going to be using materials from the earth to create a painting. Students should use the local soil samples to create a paint by mixing the soil with glue and water. (Students can create the consistency they want by using more or less water/glue mixture).

18. Students should use the paint to paint their dramatic nature scenes, taking careful consideration into painting the background, middle ground, and foreground.

19. Once students’ paintings are dry, ask students to complete the reflection handout and share reflections with the class.

Written by Jennifer Rogers, Science Teacher

Assessments

  • Group list, paragraph/graphic organizer, and class discussion may be used to assess students’ understanding of clay’s physical properties.
  • Students’ homework assignment and discussion about Costa Rica’s natural resources demonstrate the students’ understanding of the relationship between art materials and natural resources.
  • “What’s Your Soil Texture?” lab is used to assess students’ knowledge of soil textures. (Soil Texture Rubric)
  • The Soil Graphic Organizer assesses students on comparing and contrasting the texture of soil. (Soil Texture Rubric)
  • The analysis of soil composition and manufactured clay may be used to assess whether students are able to apply knowledge of clay’s properties. (Soil Texture Rubric)
  • Students’ painting and reflection will show use of background, middle ground, and foreground and the process of creating the painting. Students’ understanding of texture in art and soil will also be assessed through the reflection. (Soil Texture Rubric)

Lesson Resources

Vocabulary

natural resource

effigy

peccary

shaman

sincense

texture

malleability

sand, silt, clay

soil

triangle

texture-by-feel analysis

background

middle ground

foreground

Materials

  • Soil from students’ homes or various locations around town
  • Clear bottles with lids (water bottles, small soda bottles, etc.)
  • Rulers
  • Calculators
  • Copies of Texture-by-Feel Guide (attached to lab)
  • Copies of Soil Triangle (attached to lab—if laminated, they can be reused with a Vis-a-Vis marker)
  • Hand lens
  • Samples of manufactured clay
  • Large pieces of poster board
  • Paint brushes
  • Glue
  • Water
  • Containers to mix paint (muffin tins, butter containers, etc.)

Links

Images of Costa Rica 

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