Grade 5 · Science

Support an argument that plants get the materials they need for growth chiefly from air and water

Quarter 2 · Week 9 · TEKS + NGSS

Standards Alignment

  • 5-LS1-1 primary
    Support an argument that plants get the materials they need for growth chiefly from air and water.
View 28 supporting standards
  • TEKS.SC.5.01A supporting
    ask questions and define problems based on observations or information from text, phenomena, models, or investigations;
  • TEKS.SC.5.01B supporting
    use scientific practices to plan and conduct descriptive and simple experimental investigations and use engineering practices to design solutions to problems;
  • TEKS.SC.5.01C supporting
    demonstrate safe practices and the use of safety equipment during classroom and field investigations as outlined in Texas Education Agency-approved safety standards;
  • TEKS.SC.5.01D supporting
    use tools, including calculators, microscopes, hand lenses, metric rulers, Celsius thermometers, prisms, concave and convex lenses, laser pointers, mirrors, digital scales, balances, spring scales, graduated cylinders, beakers, hot plates, meter sticks, magnets, collecting nets, notebooks, timing devices, materials for building circuits, materials to support observations of habitats or organisms such as terrariums and aquariums, and materials to support digital data collection such as computers, tablets, and cameras to observe, measure, test, and analyze information;
  • TEKS.SC.5.01E supporting
    collect observations and measurements as evidence;
  • TEKS.SC.5.01F supporting
    construct appropriate graphic organizers used to collect data, including tables, bar graphs, line graphs, tree maps, concept maps, Venn diagrams, flow charts or sequence maps, and input-output tables that show cause and effect; and
  • TEKS.SC.5.01G supporting
    develop and use models to represent phenomena, objects, and processes or design a prototype for a solution to a problem.
  • TEKS.SC.5.02A supporting
    identify advantages and limitations of models such as their size, scale, properties, and materials;
  • TEKS.SC.5.02B supporting
    analyze data by identifying any significant features, patterns, or sources of error;
  • TEKS.SC.5.02C supporting
    use mathematical calculations to compare patterns and relationships; and
  • TEKS.SC.5.02D supporting
    evaluate experimental and engineering designs.
  • TEKS.SC.5.03A supporting
    develop explanations and propose solutions supported by data and models;
  • TEKS.SC.5.03B supporting
    communicate explanations and solutions individually and collaboratively in a variety of settings and formats; and
  • TEKS.SC.5.03C supporting
    listen actively to others' explanations to identify relevant evidence and engage respectfully in scientific discussion.
  • TEKS.SC.5.04A supporting
    explain how scientific discoveries and innovative solutions to problems impact science and society; and
  • TEKS.SC.5.04B supporting
    research and explore resources such as museums, libraries, professional organizations, private companies, online platforms, and mentors employed in a science, technology, engineering, and mathematics (STEM) field to investigate STEM careers.
  • TEKS.SC.5.05A supporting
    identify and use patterns to explain scientific phenomena or to design solutions;
  • TEKS.SC.5.05B supporting
    identify and investigate cause-and-effect relationships to explain scientific phenomena or analyze problems;
  • TEKS.SC.5.05C supporting
    use scale, proportion, and quantity to describe, compare, or model different systems;
  • TEKS.SC.5.05D supporting
    examine and model the parts of a system and their interdependence in the function of the system;
  • TEKS.SC.5.05E supporting
    investigate how energy flows and matter cycles through systems and how matter is conserved;
  • TEKS.SC.5.05F supporting
    explain the relationship between the structure and function of objects, organisms, and systems; and
  • TEKS.SC.5.05G supporting
    explain how factors or conditions impact stability and change in objects, organisms, and systems.
  • TEKS.SC.5.12A supporting
    observe and describe how a variety of organisms survive by interacting with biotic and abiotic factors in a healthy ecosystem;
  • TEKS.SC.5.12B supporting
    predict how changes in the ecosystem affect the cycling of matter and flow of energy in a food web; and
  • TEKS.SC.5.12C supporting
    describe a healthy ecosystem and how human activities can be beneficial or harmful to an ecosystem.
  • TEKS.SC.5.13A supporting
    analyze the structures and functions of different species to identify how organisms survive in the same environment; and
  • TEKS.SC.5.13B supporting
    explain how instinctual behavioral traits such as turtle hatchlings returning to the sea and learned behavioral traits such as orcas hunting in packs increase chances of survival. Source: The provisions of this §112.7 adopted to be effective April 26, 2022, 47 TexReg 2136.

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Lesson Overview

This Grade 5 science lesson focuses on helping students understand and support the argument that plants obtain the materials they need for growth mainly from air and water, rather than soil. Students will engage in scientific practices such as asking questions, conducting investigations, collecting data, and developing models to explain how plants use air and water to grow. The lesson integrates NGSS and TEKS standards and emphasizes observation, evidence-based reasoning, and communication skills within the theme of organisms and environments, specifically matter and energy in organisms and ecosystems.

Learning Objectives

  • Explain that plants get most of the materials they need for growth from air and water.
  • Ask scientific questions and plan simple investigations to gather evidence about plant growth.
  • Use tools and models to observe and represent how plants use air and water.
  • Collect and organize data from observations and investigations to support an argument.
  • Develop and communicate explanations based on evidence that plants get materials chiefly from air and water.

Success Criteria

  • Students can describe how plants use air and water to grow.
  • Students ask relevant questions and plan investigations about plant growth.
  • Students use appropriate tools to observe plants and collect data.
  • Students organize data using tables or charts to show evidence.
  • Students explain and support their argument with evidence from observations and models.

Prerequisite Knowledge

Students should understand basic plant parts (roots, stems, leaves) and their functions. They should be familiar with the concept of growth and have experience making observations and asking questions about living things.

Key Vocabulary

  • Photosynthesis
  • Air
  • Water
  • Growth
  • Materials
  • Observation
  • Investigation
  • Evidence
  • Model

Materials and Resources

  • Live plants or seedlings
  • Clear plastic bags
  • Water
  • Soil
  • Magnifying glasses or hand lenses
  • Chart paper or whiteboard
  • Markers
  • Science notebooks
  • Measuring tools (rulers, graduated cylinders)
  • Graphic organizer templates (tables, charts)

Teacher Preparation

  • Prepare live plants or seedlings for observation.
  • Set up materials for simple experiments (e.g., plants with and without water or air).
  • Prepare graphic organizers for data collection.
  • Review safety procedures for handling plants and materials.
  • Prepare guiding questions to prompt student thinking.

Detailed Lesson Notes

Understanding Plant Growth Materials

Plants need materials to grow, including nutrients and substances to build their bodies. While soil provides some nutrients, scientific evidence shows that most of the materials plants use to grow come from air and water. Air contains carbon dioxide, which plants use to make food through photosynthesis. Water is essential for transporting nutrients and supporting chemical reactions inside the plant.

Photosynthesis and Material Sources

Photosynthesis is the process by which plants use sunlight, carbon dioxide from the air, and water to produce food (glucose) and oxygen. This process explains why air and water are the chief sources of materials for plant growth. Soil mainly provides minerals and support but is not the primary source of the plant's mass.

Scientific Practices in Investigating Plant Growth

Students will engage in asking questions about what plants need to grow and plan investigations to test these ideas. They will observe plants under different conditions (e.g., with water but no soil, with soil but no water) and collect data to see which materials are essential. Using tools like magnifying glasses and rulers helps students make detailed observations and measurements.

Using Models to Represent Plant Growth Processes

Developing models such as diagrams or flow charts helps students visualize how air and water move through plants and contribute to growth. Models can show the parts of the plant involved in taking in air and water and how these materials are used to build plant tissues.

Collecting and Analyzing Data to Support Arguments

Students will record observations and measurements in tables or charts to organize evidence. They will analyze patterns, such as plants growing better with water and air than without, to support the argument. Discussions and explanations will be based on this evidence, emphasizing the importance of data in scientific reasoning.

Worked Examples

Worked Example 1

Scenario

A student sets up two plants: Plant A is given water and air but no soil; Plant B is given soil and air but no water. After several days, Plant A grows while Plant B wilts. What does this observation tell us about the materials plants need for growth?

Explanation

Plant A's growth despite the absence of soil shows that soil is not the main source of materials for growth. Plant B's wilting without water indicates water is essential. Since both plants have air, it suggests air is also important. This supports the argument that plants get materials chiefly from air and water.

Answer Guide

The observation shows that plants need water and air to grow, and soil is not the main source of the materials plants use for growth.

Engage

Teacher Activity

Begin by asking students what they think plants need to grow and record their ideas on chart paper. Show a healthy plant and ask students to observe it closely using magnifying glasses.

Student Activity

Students share their ideas about plant needs and observe the plant carefully, noting parts and possible sources of materials for growth.

Explanation

This phase activates prior knowledge and curiosity about plant growth and introduces the question of where plants get their materials.

Examples

  • Students list common plant needs such as soil, water, air, and sunlight.
  • Students notice plant parts like leaves and roots.
  • Students express curiosity about the role of air and water.

Explore

Teacher Activity

Guide students in setting up simple investigations with plants: one with water and air but no soil, one with soil and air but no water, and one with all three. Provide tools for observation and measurement.

Student Activity

Students conduct observations over several days, recording plant growth, changes, and health in science notebooks using tables or charts.

Explanation

Students gather evidence by observing how plants grow under different conditions to understand the importance of air and water.

Examples

  • Plants with water and air but no soil still grow.
  • Plants without water do not grow well or may wilt.
  • Plants need air to survive and grow.

Explain

Teacher Activity

Facilitate a discussion where students share their observations and use evidence to support the argument that plants get materials chiefly from air and water. Introduce the concept of photosynthesis and how air (carbon dioxide) and water contribute to plant growth.

Student Activity

Students explain their findings and support their argument with data and observations. They create simple models or diagrams to represent how plants use air and water.

Explanation

Students connect their investigation results to scientific concepts, explaining why air and water are the main sources of materials for growth.

Examples

  • Students use data to explain plant growth patterns.
  • Students create models showing air and water entering plants.
  • Students articulate the role of photosynthesis.

Elaborate

Teacher Activity

Challenge students to think about what would happen if air or water were limited in an ecosystem. Discuss how this affects plants and other organisms. Encourage students to research or explore additional resources about plant growth and ecosystems.

Student Activity

Students discuss cause-and-effect relationships in ecosystems related to plant growth. They may write opinion pieces or create presentations explaining their understanding.

Explanation

This phase extends learning to real-world contexts, emphasizing the importance of air and water in ecosystems and plant survival.

Examples

  • Students make connections between plant needs and ecosystem health.
  • Students express ideas about environmental impacts on plants.
  • Students communicate explanations clearly.

Evaluate

Teacher Activity

Assess students' understanding through a combination of observations, explanations, and written or oral arguments supporting that plants get materials chiefly from air and water. Use graphic organizers and models created by students as evidence of learning.

Student Activity

Students demonstrate their understanding by explaining and supporting the argument with evidence. They complete exit tickets or short assessments.

Explanation

Evaluation focuses on students' ability to use evidence and scientific reasoning to support the main idea about plant growth materials.

Examples

  • Students provide clear, evidence-based explanations.
  • Students use data and models effectively.
  • Students show understanding of the scientific process.

Classroom Activity

Students conduct observations over several days, recording plant growth, changes, and health in science notebooks using tables or charts.

Guided Practice

Guided Practice 1

Prompt

Name two materials that plants get chiefly from the environment to help them grow.

Teacher Answer Guide

Plants chiefly get air and water from the environment to help them grow.

Guided Practice 2

Prompt

Explain why soil is not the main source of materials for plant growth.

Teacher Answer Guide

Soil provides some nutrients but most of the materials plants use to grow come from air (carbon dioxide) and water, which are used in photosynthesis to make food.

Guided Practice 3

Prompt

If a plant is kept in a sealed container with water but no fresh air, what might happen to the plant? Explain your reasoning.

Teacher Answer Guide

The plant may not grow well or could die because it needs air (carbon dioxide) for photosynthesis, so without fresh air, it cannot make food even if water is present.

Guided Practice 4

Prompt

Compare the growth of two plants: one with water and air but no soil, and one with soil and air but no water. What does this comparison tell you about the role of air, water, and soil in plant growth?

Teacher Answer Guide

The plant with water and air but no soil grows, showing soil is not essential for growth materials. The plant with soil and air but no water does not grow well, showing water is essential. Both need air, so air and water are the chief materials for growth.

Guided Practice 5

Prompt

Design a simple experiment to test the hypothesis that plants get most of their growth materials from air and water, not soil. Describe the setup and what observations would support the hypothesis.

Teacher Answer Guide

Set up three groups of plants: one with water and air but no soil, one with soil and air but no water, and one with all three. Observe growth over time. If plants with water and air but no soil grow well and plants without water do not, it supports the hypothesis that air and water are the main materials for growth.

Independent Practice

  1. Foundational: Name two materials that plants get chiefly from the environment to help them grow.
  2. Developing: Explain why soil is not the main source of materials for plant growth.
  3. Application: If a plant is kept in a sealed container with water but no fresh air, what might happen to the plant? Explain your reasoning.
  4. Analysis: Compare the growth of two plants: one with water and air but no soil, and one with soil and air but no water. What does this comparison tell you about the role of air, water, and soil in plant growth?
  5. Challenge: Design a simple experiment to test the hypothesis that plants get most of their growth materials from air and water, not soil. Describe the setup and what observations would support the hypothesis.

Independent Practice Teacher Answer Key

  1. 1. Plants chiefly get air and water from the environment to help them grow.
  2. 2. Soil provides some nutrients but most of the materials plants use to grow come from air (carbon dioxide) and water, which are used in photosynthesis to make food.
  3. 3. The plant may not grow well or could die because it needs air (carbon dioxide) for photosynthesis, so without fresh air, it cannot make food even if water is present.
  4. 4. The plant with water and air but no soil grows, showing soil is not essential for growth materials. The plant with soil and air but no water does not grow well, showing water is essential. Both need air, so air and water are the chief materials for growth.
  5. 5. Set up three groups of plants: one with water and air but no soil, one with soil and air but no water, and one with all three. Observe growth over time. If plants with water and air but no soil grow well and plants without water do not, it supports the hypothesis that air and water are the main materials for growth.

Guiding Questions

  • What materials do plants need to grow?
  • How can we test what plants need?
  • What does your data tell you about plant growth?
  • How do air and water help plants grow?
  • Why is soil less important for the plant's mass?

Common Misconceptions

  • Plants get most of their mass from soil rather than air and water.
  • Soil alone provides all the materials plants need to grow.
  • Plants do not need air to grow, only water and soil.
  • Photosynthesis is not related to how plants get materials for growth.

Differentiation

Support and Intervention

Provide sentence starters for explanations. Use visual aids and models to support understanding. Allow students to work in pairs for investigations.

English-Language Learner Support

Use pictures and diagrams to explain key concepts. Pre-teach vocabulary such as photosynthesis, air, and water. Use simple language and repeat key ideas.

Advanced and Extension

Challenge students to research how different environments affect plant growth. Encourage students to design more complex experiments. Have students present their findings using scientific vocabulary.

Assessment

  • Observe student participation in discussions and investigations.
  • Review science notebooks for data collection and explanations.
  • Use questioning to check understanding during activities.
  • Explain in your own words why plants need air and water to grow.
  • List two pieces of evidence that support the idea that plants get materials chiefly from air and water.
  • Write an opinion piece supporting the argument that plants get materials chiefly from air and water, using evidence from investigations.
  • Create a model or diagram showing how air and water contribute to plant growth.

Answer Guide

  • Name two materials that plants get chiefly from the environment to help them grow.
    Answer: Plants chiefly get air and water from the environment to help them grow.
  • Explain why soil is not the main source of materials for plant growth.
    Answer: Soil provides some nutrients but most of the materials plants use to grow come from air (carbon dioxide) and water, which are used in photosynthesis to make food.
  • If a plant is kept in a sealed container with water but no fresh air, what might happen to the plant? Explain your reasoning.
    Answer: The plant may not grow well or could die because it needs air (carbon dioxide) for photosynthesis, so without fresh air, it cannot make food even if water is present.
  • Compare the growth of two plants: one with water and air but no soil, and one with soil and air but no water. What does this comparison tell you about the role of air, water, and soil in plant growth?
    Answer: The plant with water and air but no soil grows, showing soil is not essential for growth materials. The plant with soil and air but no water does not grow well, showing water is essential. Both need air, so air and water are the chief materials for growth.
  • Design a simple experiment to test the hypothesis that plants get most of their growth materials from air and water, not soil. Describe the setup and what observations would support the hypothesis.
    Answer: Set up three groups of plants: one with water and air but no soil, one with soil and air but no water, and one with all three. Observe growth over time. If plants with water and air but no soil grow well and plants without water do not, it supports the hypothesis that air and water are the main materials for growth.

Real-Life Application

Encourage students to observe plants at home or in their neighborhood and discuss with family members what materials those plants might be getting from air and water to grow.

Homework or Home Connection

  • Encourage students to observe plants at home or in their neighborhood and discuss with family members what materials those plants might be getting from air and water to grow.

Lesson Summary

Students learned that plants get most of the materials they need for growth from air and water, not soil. Through observations and investigations, they supported this argument with evidence and developed models to explain how air and water contribute to plant growth. They practiced scientific inquiry skills including asking questions, collecting data, and communicating explanations based on evidence.

Teacher Notes

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

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