Grade 6 · Science

Synthetic materials come from natural resources and impact society

Quarter 1 · Week 4 · NGSS

Standards Alignment

  • MS-PS1-3 primary
    Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.

Lesson Overview

In this Grade 6 science lesson, students will explore how synthetic materials are created from natural resources through chemical processes and how these materials affect society. Grounded in NGSS standard MS-PS1-3, learners will gather and analyze information to understand the transformation from natural resources to synthetic materials and discuss their societal implications. The lesson integrates physical science concepts related to the structure and properties of matter, chemical reactions, and the influence of technology on society.

Learning Objectives

  • Gather information from multiple sources to explain that synthetic materials originate from natural resources.
  • Describe the chemical processes that transform natural resources into synthetic materials.
  • Explain how synthetic materials impact society, including benefits and potential challenges.
  • Use scientific evidence to support explanations about synthetic materials and their societal roles.
  • Develop and communicate models or explanations that connect natural resources, synthetic materials, and societal impact.

Success Criteria

  • Students can identify examples of natural resources used to create synthetic materials.
  • Students can describe the chemical process involved in making synthetic materials from natural resources.
  • Students can explain at least two ways synthetic materials impact society.
  • Students support their explanations with evidence gathered from texts or investigations.
  • Students can create a simple model or diagram showing the relationship between natural resources, synthetic materials, and society.

Prerequisite Knowledge

Students should understand basic concepts of matter, including that substances have characteristic physical and chemical properties, and that chemical reactions involve rearrangement of atoms to form new substances with different properties.

Key Vocabulary

  • Synthetic materials
  • Natural resources
  • Chemical process
  • Chemical reaction
  • Properties
  • Society
  • Technology
  • Impact

Materials and Resources

  • Samples or images of natural resources (e.g., cotton, petroleum, wood)
  • Samples or images of synthetic materials (e.g., nylon fabric, plastic items)
  • Chart paper or whiteboard
  • Markers
  • Access to print or digital informational texts about synthetic materials
  • Modeling materials (e.g., balls and sticks, drawing tools)

Teacher Preparation

  • Gather examples of natural resources and corresponding synthetic materials for demonstration.
  • Prepare informational texts or digital resources describing chemical processes that create synthetic materials.
  • Set up a space for group discussions and model building.
  • Review NGSS standard MS-PS1-3 and related disciplinary core ideas on chemical reactions and properties of matter.

Detailed Lesson Notes

Understanding Natural Resources and Synthetic Materials

Natural resources are materials found in nature that humans use to make products. Examples include cotton from plants, petroleum from underground sources, and wood from trees. Synthetic materials are human-made substances created by chemically transforming natural resources. For instance, nylon is a synthetic fabric made from petroleum through chemical processes. Understanding this transformation helps students see the connection between the natural world and human technology.

Chemical Processes Transforming Natural Resources

A chemical process involves rearranging atoms in natural resources to form new substances with different properties. For example, petroleum undergoes chemical reactions to produce plastics and synthetic fibers. These processes change the original molecules into new molecules, creating materials with properties not found in the natural resource itself. Emphasize that the atoms are conserved but rearranged, resulting in synthetic materials with unique characteristics.

Properties of Synthetic Materials Compared to Natural Resources

Synthetic materials often have different physical and chemical properties than the natural resources they come from. For example, synthetic fibers like nylon can be stronger, more durable, or water-resistant compared to natural fibers like cotton. These changes in properties make synthetic materials useful for specific functions in society, such as clothing, packaging, or construction.

Impact of Synthetic Materials on Society

Synthetic materials have greatly influenced society by providing new products and technologies. They can improve quality of life through durable clothing, medical devices, and alternative fuels. However, synthetic materials can also pose challenges, such as environmental pollution or resource depletion. Discussing these impacts helps students understand the complex relationship between science, technology, and societal needs.

Scientific Practices: Gathering and Making Sense of Information

Students practice gathering information from multiple sources, including texts and observations, to build explanations about synthetic materials. They learn to assess the credibility of sources and use evidence to support their claims. This practice aligns with NGSS emphasis on scientific inquiry and critical thinking, helping students develop skills to analyze how synthetic materials originate and affect society.

Worked Examples

Worked Example 1

Scenario

Given that petroleum is a natural resource, explain how it can be transformed into a synthetic material like nylon and describe one impact of nylon on society.

Explanation

Petroleum undergoes chemical reactions where its molecules are rearranged to form new molecules that make up nylon, a synthetic fiber. This process changes the original natural resource into a material with different properties, such as strength and durability. Nylon impacts society by providing strong, lightweight fabrics used in clothing and industry, improving product performance.

Answer Guide

Petroleum is chemically processed to create nylon by rearranging its molecules. Nylon is stronger and more durable than some natural fibers, which helps make better clothing and industrial products, benefiting society.

Engage

Teacher Activity

Introduce the lesson by showing students samples or images of natural resources and synthetic materials. Ask students to observe and describe differences and similarities.

Student Activity

Students discuss in pairs what they notice about the natural resources and synthetic materials, sharing ideas about how one might come from the other.

Explanation

This activity activates prior knowledge and curiosity about the relationship between natural resources and synthetic materials.

Examples

  • Students identify visible differences in texture, color, or form between natural and synthetic materials.
  • Students suggest that synthetic materials might be made by changing natural resources.
  • Students express curiosity about the uses of synthetic materials.

Explore

Teacher Activity

Provide students with informational texts and resources about how synthetic materials are made from natural resources. Guide them to gather key information about chemical processes and examples of synthetic materials.

Student Activity

Students work in small groups to read, highlight, and note important points about the origin and impact of synthetic materials.

Explanation

This phase allows students to collect evidence and build foundational knowledge to explain the transformation from natural resources to synthetic materials.

Examples

  • Students identify natural resources like petroleum and cotton as starting materials.
  • Students describe chemical processes that rearrange atoms to form new materials.
  • Students list examples of synthetic materials and their societal applications.

Explain

Teacher Activity

Facilitate a class discussion where groups share their findings. Help students develop a model or diagram that shows the process from natural resource to synthetic material and its impact on society.

Student Activity

Students present their information and collaboratively create a visual model illustrating the relationships and processes.

Explanation

This phase consolidates learning by connecting evidence to explanations and models, reinforcing understanding of the standard MS-PS1-3.

Examples

  • Students explain that chemical reactions rearrange atoms to create new materials.
  • Students identify properties like durability or flexibility that synthetic materials have.
  • Students discuss societal impacts such as improved products and environmental concerns.

Elaborate

Teacher Activity

Challenge students to think about how technology and engineering use knowledge of synthetic materials to solve problems. Discuss regional or societal differences in the use of synthetic materials.

Student Activity

Students brainstorm and discuss examples of how synthetic materials are designed for specific functions and how their use varies across communities.

Explanation

This phase extends understanding by linking scientific concepts to real-world applications and societal contexts.

Examples

  • Students recognize that material properties guide design choices.
  • Students note that climate, resources, and economic conditions affect material use.
  • Students appreciate the role of science and technology in society.

Evaluate

Teacher Activity

Assess students' understanding through a written or oral explanation describing how synthetic materials come from natural resources and their impact on society. Provide feedback and opportunities for revision.

Student Activity

Students create a short presentation, model, or written explanation using evidence gathered during the lesson.

Explanation

This phase evaluates whether students can apply their knowledge and communicate scientific ideas effectively, meeting the learning objectives.

Examples

  • Students provide accurate descriptions of chemical transformations.
  • Students discuss both benefits and challenges of synthetic materials.
  • Students cite specific information from their research and investigations.

Classroom Activity

Students work in small groups to read, highlight, and note important points about the origin and impact of synthetic materials.

Guided Practice

Guided Practice 1

Prompt

What is a natural resource? Give one example.

Teacher Answer Guide

A natural resource is a material found in nature that people use. An example is cotton.

Guided Practice 2

Prompt

Describe what happens to a natural resource during a chemical process to become a synthetic material.

Teacher Answer Guide

During a chemical process, the atoms in the natural resource are rearranged to form new molecules, creating a synthetic material with different properties.

Guided Practice 3

Prompt

Explain how synthetic materials can impact society. Provide one positive and one negative impact.

Teacher Answer Guide

Synthetic materials can improve society by providing useful products like strong fabrics (positive impact). They can also cause pollution if not disposed of properly (negative impact).

Guided Practice 4

Prompt

Compare the properties of a natural fiber like cotton and a synthetic fiber like nylon. How do these differences affect their uses?

Teacher Answer Guide

Cotton is natural, breathable, and biodegradable but less durable. Nylon is synthetic, stronger, water-resistant, and lasts longer. These differences make nylon better for durable clothing and outdoor gear, while cotton is preferred for comfort.

Guided Practice 5

Prompt

Using evidence from your research, create a simple model or diagram that shows how a natural resource is transformed into a synthetic material and how this material impacts society.

Teacher Answer Guide

A model would show a natural resource (like petroleum) undergoing a chemical process (arrows indicating rearrangement of atoms) to become a synthetic material (like plastic). Additional arrows show uses in society (packaging, products) and impacts (benefits and environmental concerns).

Independent Practice

  1. Foundational: What is a natural resource? Give one example.
  2. Developing: Describe what happens to a natural resource during a chemical process to become a synthetic material.
  3. Application: Explain how synthetic materials can impact society. Provide one positive and one negative impact.
  4. Analysis: Compare the properties of a natural fiber like cotton and a synthetic fiber like nylon. How do these differences affect their uses?
  5. Challenge: Using evidence from your research, create a simple model or diagram that shows how a natural resource is transformed into a synthetic material and how this material impacts society.

Independent Practice Teacher Answer Key

  1. 1. A natural resource is a material found in nature that people use. An example is cotton.
  2. 2. During a chemical process, the atoms in the natural resource are rearranged to form new molecules, creating a synthetic material with different properties.
  3. 3. Synthetic materials can improve society by providing useful products like strong fabrics (positive impact). They can also cause pollution if not disposed of properly (negative impact).
  4. 4. Cotton is natural, breathable, and biodegradable but less durable. Nylon is synthetic, stronger, water-resistant, and lasts longer. These differences make nylon better for durable clothing and outdoor gear, while cotton is preferred for comfort.
  5. 5. A model would show a natural resource (like petroleum) undergoing a chemical process (arrows indicating rearrangement of atoms) to become a synthetic material (like plastic). Additional arrows show uses in society (packaging, products) and impacts (benefits and environmental concerns).

Guiding Questions

  • What are synthetic materials and where do they come from?
  • How do chemical processes change natural resources?
  • What properties do synthetic materials have that make them useful?
  • How do synthetic materials impact society?
  • How can we use evidence to explain scientific ideas?

Common Misconceptions

  • Synthetic materials are found naturally and do not require chemical processes.
  • All synthetic materials are harmful to society.
  • Natural resources and synthetic materials have the same properties.
  • Chemical processes destroy atoms rather than rearranging them.
  • Technology use of synthetic materials is the same everywhere and does not change over time.

Differentiation

Support and Intervention

Provide sentence starters for explanations. Use visuals and models to support understanding. Allow students to work in pairs or small groups for reading tasks.

English-Language Learner Support

Use clear, simple language and define key vocabulary. Provide bilingual resources if available. Use pictures and realia to illustrate concepts.

Advanced and Extension

Challenge students to research specific synthetic materials and their chemical formulas. Encourage students to evaluate societal impacts in different regions. Have students design a synthetic material for a specific function considering properties and societal needs.

Assessment

  • Observe student participation in discussions and group work.
  • Check students' notes and highlighted information from texts.
  • Review models and diagrams created during the explain phase.
  • Write a brief explanation of how synthetic materials come from natural resources.
  • List one benefit and one challenge of synthetic materials for society.
  • Create a detailed report or presentation on a synthetic material, its origin, chemical process, properties, and societal impact.

Answer Guide

  • What is a natural resource? Give one example.
    Answer: A natural resource is a material found in nature that people use. An example is cotton.
  • Describe what happens to a natural resource during a chemical process to become a synthetic material.
    Answer: During a chemical process, the atoms in the natural resource are rearranged to form new molecules, creating a synthetic material with different properties.
  • Explain how synthetic materials can impact society. Provide one positive and one negative impact.
    Answer: Synthetic materials can improve society by providing useful products like strong fabrics (positive impact). They can also cause pollution if not disposed of properly (negative impact).
  • Compare the properties of a natural fiber like cotton and a synthetic fiber like nylon. How do these differences affect their uses?
    Answer: Cotton is natural, breathable, and biodegradable but less durable. Nylon is synthetic, stronger, water-resistant, and lasts longer. These differences make nylon better for durable clothing and outdoor gear, while cotton is preferred for comfort.
  • Using evidence from your research, create a simple model or diagram that shows how a natural resource is transformed into a synthetic material and how this material impacts society.
    Answer: A model would show a natural resource (like petroleum) undergoing a chemical process (arrows indicating rearrangement of atoms) to become a synthetic material (like plastic). Additional arrows show uses in society (packaging, products) and impacts (benefits and environmental concerns).

Real-Life Application

Encourage students to identify synthetic materials used at home and discuss with family members how these materials are made from natural resources and their benefits or challenges in daily life.

Homework or Home Connection

  • Encourage students to identify synthetic materials used at home and discuss with family members how these materials are made from natural resources and their benefits or challenges in daily life.

Lesson Summary

This lesson helped students understand that synthetic materials originate from natural resources through chemical processes that rearrange atoms to form new substances with different properties. Students explored examples of synthetic materials, their properties, and their impacts on society, recognizing both benefits and challenges. Through gathering information, modeling, and discussion, students developed scientific explanations connecting natural resources, synthetic materials, and societal needs, aligned with NGSS standard MS-PS1-3.

Teacher Notes

Use the exact standards alignment and retrieved-source provenance stored with this enrichment.

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