Body Forms - Grade 9 MYP Unit 2
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Questions and Answers

What is emphasized in Criterion A concerning scientific knowledge?

  • Memorizing scientific terms without application
  • Knowing and understanding scientific knowledge (correct)
  • Analyzing experiments without context
  • Describing scientific processes only
  • Which skill is specifically highlighted in the ATL Cluster related to data interpretation?

  • Collaborative problem-solving
  • Communication skills
  • Creative thinking
  • Critical thinking (correct)
  • What is a suggested method for improving proficiency in ATL skills?

  • Ignoring feedback from assessments
  • Focusing solely on theoretical knowledge
  • Reflecting on your learning level and seeking improvement (correct)
  • Avoiding self-assessment tools
  • What does spotting a misleading graph help to develop?

    <p>Critical interpretation of data (A)</p> Signup and view all the answers

    Which term best describes a student who reflects on their ATL skills and assesses themselves as an expert?

    <p>Expert (B)</p> Signup and view all the answers

    What enzyme in saliva initiates the breakdown of carbohydrates?

    <p>Amylase (B)</p> Signup and view all the answers

    Which part of the digestive system acts as a mixing chamber and stores food?

    <p>Stomach (D)</p> Signup and view all the answers

    What is the primary function of bile in the digestive system?

    <p>To emulsify large fat droplets into smaller droplets (C)</p> Signup and view all the answers

    Which part of the small intestine is primarily responsible for absorption?

    <p>Ileum (D)</p> Signup and view all the answers

    Which structure connects the mouth to the stomach?

    <p>Esophagus (B)</p> Signup and view all the answers

    What is the primary function of the small intestine?

    <p>Digestion and nutrient absorption (D)</p> Signup and view all the answers

    Which of the following enzymes is produced by the pancreas to break down lipids?

    <p>Lipases (C)</p> Signup and view all the answers

    At which achievement level does a student not reach any standards described?

    <p>Level 0 (A)</p> Signup and view all the answers

    Which part of the small intestine absorbs vitamin B12?

    <p>Ileum (C)</p> Signup and view all the answers

    What structural feature of the small intestine increases the surface area for absorption?

    <p>Villi (C)</p> Signup and view all the answers

    Which achievement level includes the ability to outline scientific knowledge regarding cells?

    <p>Level 3-4 (D)</p> Signup and view all the answers

    What is produced as a result of aerobic respiration?

    <p>ATP (A)</p> Signup and view all the answers

    What mechanism does the esophagus use to push food into the stomach?

    <p>Peristalsis (C)</p> Signup and view all the answers

    What is the main purpose of cell respiration in living cells?

    <p>To produce ATP as energy (C)</p> Signup and view all the answers

    What is the function of the liver in the digestive system?

    <p>Producing bile (C)</p> Signup and view all the answers

    What skill is encompassed at Achievement Level 5-6 regarding problem-solving?

    <p>Analyzing information (B)</p> Signup and view all the answers

    Which of the following skills is NOT included in the Level 1-2 achievement descriptors?

    <p>Describe scientific knowledge (C)</p> Signup and view all the answers

    What distinguishes the jejunum within the small intestine?

    <p>Main site for nutrient absorption (D)</p> Signup and view all the answers

    Where is the remaining feces stored before it is egested?

    <p>Rectum (C)</p> Signup and view all the answers

    At which achievement level can a student suggest solutions to problems set in unfamiliar situations?

    <p>Level 5-6 (D)</p> Signup and view all the answers

    What type of respiration occurs in the absence of oxygen?

    <p>Anaerobic respiration (D)</p> Signup and view all the answers

    Which descriptor best represents Level 3-4 in applying scientific knowledge?

    <p>Make judgments regarding cells (C)</p> Signup and view all the answers

    Which task-specific rubric descriptor applies to Level 5-6 when interpreting information?

    <p>Analyze information to draw conclusions (C)</p> Signup and view all the answers

    Which of the following is a characteristic of Level 1-2 in scientific problem-solving?

    <p>State known solutions (D)</p> Signup and view all the answers

    What is the primary factor that affects the rate of diffusion in cells?

    <p>Concentration gradient (D)</p> Signup and view all the answers

    How does temperature affect the rate of diffusion?

    <p>Higher temperatures increase kinetic energy and molecular movement (D)</p> Signup and view all the answers

    Which of the following statements about osmosis is true?

    <p>Osmosis occurs through a selectively permeable membrane (D)</p> Signup and view all the answers

    What role does surface area play in the rate of diffusion?

    <p>More surface area allows for faster diffusion rates (A)</p> Signup and view all the answers

    Which factor would decrease the rate of diffusion?

    <p>Thicker cell membranes (A)</p> Signup and view all the answers

    In the context of osmosis, what does equilibrium refer to?

    <p>Equal concentration of solute on both sides of the membrane (D)</p> Signup and view all the answers

    What is a common example of osmosis in action?

    <p>Water uptake by plant roots from the soil (D)</p> Signup and view all the answers

    Which particle characteristic affects the speed of diffusion the most?

    <p>Size of the particles (B)</p> Signup and view all the answers

    What is the primary focus of the inquiry questions related to the unit 'Body Forms'?

    <p>The differences between animal and plant cells (A)</p> Signup and view all the answers

    How does the concept of 'System' relate to the unit's statement of inquiry?

    <p>The form of a system directly influences its function. (C)</p> Signup and view all the answers

    Which of the following is an example of global citizenship as defined in the unit?

    <p>Engaging in international curriculum and diverse experiences. (D)</p> Signup and view all the answers

    What role does digital citizenship play in the curriculum at Amman Academy?

    <p>It helps instill a sense of responsibility and ethics in a digital context. (D)</p> Signup and view all the answers

    Which of the following is NOT a factual inquiry question related to the unit?

    <p>What is the purpose of studying cell theory? (A)</p> Signup and view all the answers

    In the context of the unit, what is the significance of understanding osmosis?

    <p>It illustrates how substances move across membranes. (B)</p> Signup and view all the answers

    What is one of the key concepts explored within the unit 'Body Forms'?

    <p>Function and form of biological systems (A)</p> Signup and view all the answers

    Which of the following best describes the term 'identities and relationships' as used in this context?

    <p>The connections and interactions among different organisms (B)</p> Signup and view all the answers

    Flashcards

    System

    A group of interconnected parts working together to perform a specific function.

    Cell

    The basic unit of life, performing various functions.

    Animal cell function

    Specific actions carried out by parts of an animal cell to keep the whole organism alive.

    Plant cell function

    Specific actions carried out by parts of a plant cell to keep the whole organism alive.

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    Cell membrane

    The outer covering of a cell, controlling what enters and leaves.

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    Osmosis

    The movement of water across a cell membrane (from high to low water concentration).

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    Cell Function

    The specific tasks performed by a cell’s parts to maintain and sustain life.

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    Form and function

    The shape (form) of a system directly impacts how it works (function).

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    Level 0 Achievement

    Student does not meet any of the described standards.

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    Level 1-2 Achievement

    Student correctly states science knowledge about cells, applies knowledge to suggest solutions in familiar situations, and interprets information to make judgments related to cells.

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    Level 3-4 Achievement

    Student outlines scientific knowledge about cells, applies knowledge to solve problems in familiar situations, and interprets information to make scientifically supported judgments related to cells.

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    Level 5-6 Achievement

    Student describes scientific knowledge about cells, applies knowledge to solve problems in familiar situations and suggests solutions to problems in unfamiliar situations, analyze information to make scientifically supported judgments.

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    Criterion A

    Describes the knowledge and understanding criteria for evaluating student achievement.

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    Level Descriptors

    Different descriptions of the quality of student achievement based on a scale.

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    Task-Specific Rubric/Clarifications

    Specific guidelines to help in assessing a student’s understanding linked to a task or question.

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    Scientific Knowledge about Cells

    Information and facts about the fundamental structure and function of cells.

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    Digestive system

    A group of organs that work together to break down food into smaller molecules that the body can absorb and use for energy and growth.

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    Mouth

    The first part of the digestive system where food enters. Mechanical breakdown (chewing) and chemical digestion (saliva) begin here.

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    Esophagus

    A muscular tube that connects the mouth to the stomach. It uses wave-like muscle contractions (peristalsis) to move food down.

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    Stomach

    A muscular bag that churns food and mixes it with gastric juices, including hydrochloric acid (HCl) and pepsin, to break down proteins.

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    Small intestine

    The primary site for digestion and nutrient absorption. It has three parts - duodenum, jejunum, and ileum.

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    Pancreas

    Produces digestive enzymes (amylase, lipase, and proteases) that are released into the small intestine to help break down food.

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    Liver

    A vital organ for metabolism. It produces bile (stored in the gallbladder), which helps digest fats in the small intestine.

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    Gallbladder

    Stores bile produced by the liver and releases it into the small intestine when needed.

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    Diffusion

    The movement of molecules from an area of high concentration to an area of low concentration.

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    Concentration Gradient

    The difference in concentration between two areas.

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    Facilitated Diffusion

    Movement of molecules across a membrane with the help of a protein.

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    Factors Affecting Diffusion Rate

    Several factors impact how fast diffusion occurs, including concentration gradient, temperature, surface area, distance, and particle size.

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    How Temperature Affects Diffusion

    Higher temperatures make molecules move faster, leading to faster diffusion.

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    How Surface Area Affects Diffusion

    A larger surface area allows molecules to move faster because there are more places for them to cross.

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    How Distance Affects Diffusion

    The shorter the distance molecules have to travel, the faster they diffuse.

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    How Particle Size Affects Diffusion

    Smaller particles diffuse faster than bigger ones.

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    Misleading Graph

    A graph that appears truthful but uses visual techniques to distort the data, making a claim seem more significant than it is.

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    Spotting a Misleading Graph

    The ability to identify graphs that use visual techniques to misrepresent data and draw incorrect conclusions.

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    Interpreting Data

    Understanding the meaning of data presented in a graph or table, drawing conclusions and making informed decisions.

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    Conceptual Understanding

    Grasping the fundamental ideas and principles of a topic, connecting them to related concepts and building a deeper understanding.

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    Contextual Understanding

    Applying knowledge and understanding of a topic to real-world situations and different contexts, considering the larger picture and global impact.

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    Lipases

    Enzymes produced by the pancreas that break down lipids (fats) into fatty acids and glycerol.

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    Proteases

    Enzymes produced by the pancreas that break down proteins into amino acids.

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    Carbohydrase

    Enzymes produced by the pancreas that break down carbohydrates into glucose.

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    Absorption

    The process by which nutrients from digested food are taken into cells and the bloodstream.

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    Large Intestine (Colon)

    Section of the digestive system where water is absorbed from undigested food, forming feces.

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    Cell Respiration

    The process by which cells break down organic compounds like glucose to release energy, producing ATP.

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    Study Notes

    Unit 2: Body Forms - Grade 9 MYP

    • Key Concept: System
    • Related Concept: Function, Form
    • Global Context: Identities and relationships
    • Statement of Inquiry: The form of a system affects its function.
    • ATL Skills: Critical thinking, interpreting data (Ai, Aii, Aiii)

    Global Citizenship

    • Defined as students' engaged participation in an international curriculum and diverse experiences.
    • Allows students to cross national, cultural, socioeconomic, racial, religious, and political boundaries.
    • Aims to acknowledge similarities and understand differences.
    • Promotes a sense of responsibility towards local and global communities.
    • Contributes towards the betterment of the human experience

    Digital Citizenship

    • A framework for students to understand digital ethics, digital literacy, online safety, and digital health and well-being.
    • Helps students become digitally responsible, tolerant, and inclusive individuals.

    Inquiry Questions

    • Factual:
      • What does the concept "System" mean?
      • What is a cell?
      • What are the functions of animal and plant cell parts?
      • What is the difference and similarities between plant and animal cells?
      • What is the cell membrane made up of?
      • What is the function of the cell membrane?
      • How do substances move across membranes?
      • What is osmosis?
    • Conceptual:
      • Why do both animal and plant cells need a nucleus?
    • Debatable:
      • Is the identity of a cell affected by its structure and function?

    Skills Needed for Exams and Worksheets

    • Critical Thinking: Interpret data (Ai, Aii, Aiii)
    • Creative Thinking: Generate testable hypotheses (Bi, Bii, Biii, Biv)
    • Information Literacy: Collect, record, and verify data (Ci, Cii, Ciii, Civ, Cv)

    Summative Assessment Criteria

    • Knowing and Understanding: Describe scientific knowledge, apply knowledge to solve problems, and analyze information for scientifically supported judgments.
    • Inquiring and Designing: Outline problem/research questions, predict outcomes, design investigations, and outline data collection.
    • Processing and Evaluating: Present data, interpret data using scientific reasoning, discuss the validity of predictions and methods, and describe improvements.

    Unit Timetable

    • Weeks 1-5 cover Cell Theory, Animal/Plant cell structure, Cell Membrane and Movement across membranes

    • Weeks 6-9 cover Digestive, Circulatory, and Excretion systems.

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    Description

    Explore the intricate relationship between the form and function of systems in this Grade 9 MYP Unit 2 quiz. Delve into concepts of global and digital citizenship while enhancing critical thinking and data interpretation skills. Engage with inquiry questions that challenge your understanding of identities and relationships.

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