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Explain how simple hydraulic systems use fluid principles to enhance simple and compound machines. Identify applications of Archimedes' principle and Pascal's principle in various contexts such as home, community, businesses, and transportation. Design simple practical activities or models to determine how variations in physical properties (shape, mass, volume) affect an object's ability to float in a fluid.
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Describe how landforms and bodies of water affect the living components of the environment; 2. compare different types of rocks collected in terms of color, texture, and grain size; 3. classify common rocks from provided samples using a simple rock classification system; 4. explain how soil is formed by the weathering of rocks and minerals; 5. investigate how fast erosion transports Earth materials in different places;Sc.8.p.8.5 Students will be able to: • Recognize that there are a finite number of elements and that their atoms combine in a multitude of ways to produce compounds that make up all the living and nonliving things that we encounter. • Distinguish among mixtures (including solutions) and pure substances. • Recognize that elements are grouped in the periodic table according to similarities of their properties • Recognize that atoms are the smallest unit of an element and they are composed of sub-atomic particles (electrons surrounding a nucleus containing protons and neutrons) • Explain why theories may be modified but are rarely discarded Advanced Benchmarks: • Write chemical formulas for simple covalent (HCl, SO2, CO2, and CH4) and ionic (Na+ + Cl- + NaCl) and molecular (O2, H2O ) compounds. Predict the formulas of ionic compounds based on the number of valence electrons and the charges on the ions (912.P.8.7) • Use the periodic table and electron configuration to determine an element’s number of valence electrons and its chemical and physical properties. Explain how chemical properties depend almost entirely on the configuration of the outer electron shell (912.P.8.5) • Explain that electrons, protons, and neutrons are parts of the atoms and the nuclei of atoms are composed of protons and neutrons, which experience forces of attraction and repulsion consistent with their charges and masses (912.P.8.4) *BRITISH EDUCATION SCHOOL* *Grade 9 - English Language - Literature* *Chapter 5: The Young Tulip-grower - "The Black Tulip"* * *Section A: Reading Comprehension [12 Marks]* Answer in complete sentences. 2 marks each. 1. Describe Cornelius’s feelings and exact words when he looked at the 3 bulbs. What do they show about his character? 2. Why did Cornelius choose to save the bulbs before reading Craeke’s letter? What does this tell us about his priorities? 3. Explain how Cornelius hid the bulbs from the soldiers. Why was this action risky? 4. Why was Isaac Boxtel watching Cornelius’s house? Was he happy or sad about Cornelius’s arrest? Give evidence. 5. What important information did Isaac learn from Cornelius’s notebook? How did this change his plan? 6. Compare Cornelius and Isaac. Who loves the tulips more? Give one reason for each character. *Section B: Vocabulary in Context [8 Marks]* Choose the best meaning of the underlined word. 1 mark each. 1. Cornelius was *surprised* when Craeke ran in. a) happy b) shocked c) angry d) sleepy 2. He picked up the bulbs *carefully*. a) quickly b) with attention c) loudly d) angrily 3. The judge said Cornelius had papers of a *traitor*. a) hero b) friend c) person who betrays his country d) servant 4. The house was *empty* when Isaac entered. a) full of people b) with no one inside c) very big d) very clean 5. Cornelius thanked God the bulbs were not *damaged*. a) broken b) painted c) lost d) old 6. Isaac looked through his *telescope*. a) book b) tool for seeing far c) gun d) letter 7. Cornelius was not *frightened* of the soldiers. a) afraid b) excited c) hungry d) tired 8. Isaac was *jealous* of Cornelius. a) loved him b) wanted what he had c) helped him d) ignored him *Section C: Grammar - Past Continuous vs Past Simple [6 Marks]* Fill in with correct verb form. 1 mark each. 1. While Cornelius ............at the bulbs, Craeke ran into the room. 2. The servant .........that soldiers were coming to arrest him. 3. Isaac ............Cornelius’s house with his telescope all day. 4. When the judge arrived, Cornelius ....... the bulbs in his pocket. 5. The soldiers .........into the room while Cornelius was talking. 6. Isaac .......... the notebook after he searched all the drawers.[look][say][watch][put][run][find] *D* Who Said, write the speaker 1. "Next year, these bulbs will be black tulips. I am the happiest man!" 2. "Please, read this letter immediately, sir!" 3. "You must give that package to me. It is not yours!" 4. "Good! The soldiers will take Cornelius to The Hague. Then they will kill him." 5. "I cannot wait! He has come from The Hague." 6. "None of these was a black tulip!" *E* write your own answer according to your understanding to the current chapter. 1. If you were Cornelius, would you save the bulbs or read the letter first? Give 2 reasons for your choice. [2 marks] 2. Do you think Isaac is a villain or just ambitious? Explain your opinion with evidence from the chapter. [2 marks] *F* Complete the quotes from the chapter. 1. "I must put these bulbs safely in a ........... 2. "The bulbs are not ............I thank God for that." 3. "Last January, Cornelius De Witt left a package of papers in this ............ 4. "Today I have three small tulip from one large bulb. These bulbs will have flowers in the spring ..................Cells of different organisms and even cells within the same organism are very diverse in terms of shape, size, and internal organization. One theme that occurs again and again throughout biology is that form follows function. In other words, a cell’s function influences its physical features. Cell Shape The diversity in cell shapes reflects the different functions of cells. Compare the cell shapes shown in Figure 4-4. The long extensions that reach out in various directions from the nerve cell shown in Figure 4-4a allow the cell to send and receive nerve impulses. The flat, platelike shape of skin cells in Figure 4-4b suits their function of covering and protecting the surface of the body. As shown below, a cell’s shape can be simple or complex depending on the function of the cell. Each cell has a shape that has evolved to allow the cell to perform its function effectively. SECTION 2 OBJECTIVES ● Explain the relationship between cell shape and cell function. ● Identify the factor that limits cell size. ● Describe the three basic parts of a cell. ● Compare prokaryotic cells and eukaryotic cells. ● Analyze the relationship among cells, tissues, organs, organ systems, and organisms. VOCABULARY plasma membrane cytoplasm cytosol nucleus prokaryote eukaryote organelle tissue organ organ system Cells have various shapes. (a) Nerve cells have long extensions. (b) Skin cells are flat and platelike. (c) Egg cells are spherical. (d) Some bacteria are rod shaped. (e) Some plant cells are rectangular. FIGURE 4-4 (a) Nerve cell (b) Skin cells (c) Egg cell (d) Bacterial cells (e) Plant cells Copyright © by Holt, Rinehart and Winston. All rights reserved. 1. All cubes have volume and surface area. The total surface area is equal to the sum of the areas of each of the six sides (area = length X width). 2. If you split the first cube into eight smaller cubes, you get 48 sides. The volume remains constant, but the total surface area doubles. 3. If you split each of the eight cubes into eight smaller cubes, you have 64 cubes that together contain the same volume as the first cube. The total surface area, however, has doubled again. CELL STRUCTURE AND FUNCTION 73 Cell Size Cells differ not only in their shape but also in their size. A few types of cells are large enough to be seen by the unaided human eye. For example, the nerve cells that extend from a giraffe’s spinal cord to its foot can be 2 m (about 6 1/2 ft) long. A human egg cell is about the size of the period at the end of this sentence. Most cells, how- ever, are only 10 to 50 μm in diameter, or about 1/500 the size of the period at the end of this sentence. The size of a cell is limited by the relationship of the cell’s outer surface area to its volume, or its surface area–to-volume ratio. As a cell grows, its volume increases much faster than its surface area does, as shown in Figure 4-5. This trend is important because the materials needed by a cell (such as nutrients and oxygen) and the wastes produced by a cell (such as carbon dioxide) must pass into and out of the cell through its surface. If a cell were to become very large, the volume would increase much more than the surface area. Therefore, the surface area would not allow materials to enter or leave the cell quickly enough to meet the cell’s needs. As a result, most cells are microscopic in size. Comparing Surface Cells Materials microscope, prepared slides of plant (dicot) stem and ani- mal (human) skin, pencil, paper Procedure Examine slides by using medium magnification (100). Observe and draw the sur- face cells of the plant stem and the animal skin. Analysis How do the surface cells of each organism differ from the cells beneath the surface cells? What is the function of the surface cells? Explain how surface cells are suited to their function based on their shape. Quick Lab Small cells can exchange substances more readily than large cells because small objects have a higher surface area–to-volume ratio. FIGURE 4-5 mb06se_csfs02.qxd 5/18/07 10:54 AM Page 73 74 CHAPTER 4 BASIC PARTS OF A CELL Despite the diversity among cells, three basic features are common to all cell types. All cells have an outer boundary, an interior sub- stance, and a control region. Plasma Membrane The cell’s outer boundary, called the plasma membrane (or the cell membrane), covers a cell’s surface and acts as a barrier between the inside and the outside of a cell. All materials enter or exit through the plasma membrane. The surface of a plasma mem- brane is shown in Figure 4-6a. Cytoplasm The region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus is called the cytoplasm. The part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles is the cytosol. About 20 percent of the cytosol is made up of protein. Control Center Cells carry coded information in the form of DNA for regulating their functions and reproducing themselves. The DNA in some types of cells floats freely inside the cell. Other cells have a mem- brane-bound organelle that contains a cell’s DNA. This membrane- bound structure is called the nucleus. Most of the functions of a eukaryotic cell are controlled by the cell’s nucleus. The nucleus is often the most prominent structure within a eukaryotic cell. It maintains its shape with the help of a protein skeleton called the nuclear matrix. The nucleus of a typical animal cell is shown inCell Size Cells differ not only in their shape but also in their size. A few types of cells are large enough to be seen by the unaided human eye. For example, the nerve cells that extend from a giraffe’s spinal cord to its foot can be 2 m (about 6 1/2 ft) long. A human egg cell is about the size of the period at the end of this sentence. Most cells, how- ever, are only 10 to 50 μm in diameter, or about 1/500 the size of the period at the end of this sentence. The size of a cell is limited by the relationship of the cell’s outer surface area to its volume, or its surface area–to-volume ratio. As a cell grows, its volume increases much faster than its surface area does, as shown in Figure 4-5. This trend is important because the materials needed by a cell (such as nutrients and oxygen) and the wastes produced by a cell (such as carbon dioxide) must pass into and out of the cell through its surface. If a cell were to become very large, the volume would increase much more than the surface area. Therefore, the surface area would not allow materials to enter or leave the cell quickly enough to meet the cell’s needs. As a result, most cells are microscopic in size. Comparing Surface Cells Materials microscope, prepared slides of plant (dicot) stem and ani- mal (human) skin, pencil, paper Procedure Examine slides by using medium magnification (100). Observe and draw the sur- face cells of the plant stem and the animal skin. Analysis How do the surface cells of each organism differ from the cells beneath the surface cells? What is the function of the surface cells? Explain how surface cells are suited to their function based on their shape. Quick Lab Small cells can exchange substances more readily than large cells because small objects have a higher surface area–to-volume ratio. FIGURE 4-5 mb06se_csfs02.qxd 5/18/07 10:54 AM Page 73 74 CHAPTER 4 BASIC PARTS OF A CELL Despite the diversity among cells, three basic features are common to all cell types. All cells have an outer boundary, an interior sub- stance, and a control region. Plasma Membrane The cell’s outer boundary, called the plasma membrane (or the cell membrane), covers a cell’s surface and acts as a barrier between the inside and the outside of a cell. All materials enter or exit through the plasma membrane. The surface of a plasma mem- brane is shown in Figure 4-6a. Cytoplasm The region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus is called the cytoplasm. The part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles is the cytosol. About 20 percent of the cytosol is made up of protein. Control Center Cells carry coded information in the form of DNA for regulating their functions and reproducing themselves. The DNA in some types of cells floats freely inside the cell. Other cells have a mem- brane-bound organelle that contains a cell’s DNA. This membrane- bound structure is called the nucleus. Most of the functions of a eukaryotic cell are controlled by the cell’s nucleus. The nucleus is often the most prominent structure within a eukaryotic cell. It maintains its shape with the help of a protein skeleton called the nuclear matrix. The nucleus of a typical animal cell is shown in Figure 4-6b. Most animal cells have a cell membrane, a nucleus, and a variety of other organelles embedded in a watery substance. The surface of the cell membrane can be seen in (a). The organelles inside the cell are labeled in the diagram (b). FIGURE 4-6 (a) (b) Mitochondrion Microfilaments Lysosome Golgi apparatus Smooth ER Ribosomes Cell membrane Microtubules Rough ER Nuclear pore Nuclear envelope Nucleolus Nucleus Copyright © by Holt, Rinehart and Winston. All rights reserved. Cell wall Ribosome Cell membrane Peptidoglycan Pili Flagellum DNA CELL STRUCTURE AND FUNCTION 75 A prokaryotic cell lacks a membrane- bound nucleus and membrane-bound organelles. Most prokaryotic cells are much smaller than eukaryotic cells are. FIGURE 4-7 A white blood cell (eukaryotic) changes shape as it attacks purple- stained bacterial cells that are much smaller (prokaryotic). FIGURE 4-8 TWO BASIC TYPES OF CELLS Fossil evidence suggests that the earliest cells on Earth were simple cells similar to some present-day bacteria. As cells evolved, they differentiated into two major types: prokaryotes and eukaryotes. Prokaryotes Prokaryotes (proh-KAR-ee-OHTS) are organisms that lack a membrane- bound nucleus and membrane-bound organelles. Although prokaryotic cells lack a nucleus, their genetic information—in the form of DNA—is often concentrated in a part of the cell called the nucleoid. Figure 4-7 shows a typical prokaryotic cell. Prokaryotes are divided into two domains: Bacteria and Archaea (ahr-KEE-uh). The domain Bacteria includes organisms that are similar to the first cellular life-forms. The domain Archaea includes organisms that are thought to be more closely related to eukaryotic cells found in all other kingdoms of life. Eukaryotes Organisms made up of one or more cells that have a nucleus and membrane-bound organelles are called eukaryotes (yoo-KAR-ee-OHTS). Eukaryotic cells also have a variety of subcellular structures called organelles, well-defined, intracellular bodies that perform specific functions for the cell. Many organelles are surrounded by a mem- brane. The organelles carry out cellular processes just as a person’s pancreas, heart, and other organs carry out a person’s life processes. Eukaryotic cells are generally much larger than prokary- otic cells, as seen in Figure 4-8, which shows a white blood cell (eukaryote) destroying tiny bacterial cells (prokaryotes).PASSIVE TRANSPORT Cell membranes help organisms maintain homeostasis by controlling what substances may enter or leave cells. Some substances can cross the cell membrane without any input of energy by the cell in a process known as passive transport. DIFFUSION The simplest type of passive transport is diffusion. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. This difference in the concentration of molecules across a distance is called a concentration gradient. Consider what happens when you add a sugar cube to a beaker of water. As shown in Figure 5-1, the sugar cube sinks to the bottom of the beaker. This sinking makes the concentration of sugar mole- cules greater at the bottom of the beaker than at the top. As the cube dissolves, the sugar molecules begin to diffuse slowly through the water, moving towards the lower concentration at the top. Diffusion is driven entirely by the molecules’ kinetic energy. Molecules are in constant motion because they have kinetic energy. Molecules move randomly, traveling in a straight line until they hit an object, such as another molecule. When they hit some- thing, they bounce off and move in a new direction, traveling in another straight line. If no object blocks their movement, they con- tinue on their path. Thus, molecules tend to move from areas where they are more concentrated to areas where they are less concentrated, or “down” their concentration gradient. In the absence of other influences, diffusion will eventually cause the molecules to be in equilibrium—the concentration of molecules will be the same throughout the space the molecules occupy. Returning to the example in Figure 5-1, if the beaker of water is left undisturbed, at some point the concentration of sugar molecules will be the same throughout the beaker. The sugar concentration will then be at equilibrium. SECTION 1 OBJECTIVES ● Explain how an equilibrium is established as a result of diffusion. ● Distinguish between diffusion and osmosis. ● Explain how substances cross the cell membrane through facilitated diffusion. ● Explain how ion channels assist the diffusion of ions across the cell membrane. VOCABULARY passive transport diffusion concentration gradient equilibrium osmosis hypotonic hypertonic isotonic contractile vacuole turgor pressure plasmolysis cytolysis facilitated diffusion carrier protein ion channel Sugar Water 1 2 3 FIGURE 5-1 Sugar molecules, initially in a high concentration at the bottom of a beaker, , will move about randomly through diffusion, , and eventually reach equilibrium, . At equilibrium the sugar concentration will be the same throughout the beaker. Diffusion occurs naturally because of the kinetic energy the molecules possess. 3 2 1 Copyright © by Holt, Rinehart and Winston. All rights reserved. 98 CHAPTER 5 It is important to understand that even at equilibrium the ran- dom movement of molecules continues. But because there is an equal concentration of molecules everywhere, molecules are just as likely to move in one direction as in any other. The random movements of many molecules in many directions balance one another, and equilibrium is maintained. Diffusion Across Membranes Cell membranes allow some molecules to pass through, but not others. If a molecule can pass through a cell membrane, it will diffuse from an area of higher concentration on one side of the membrane to an area of lower concentration on the other side. Diffusion across a membrane is also called simple diffusion, and only allows certain molecules to pass through the membrane. The simple diffusion of a molecule across a cell membrane depends on the size and type of molecule and on the chemical nature of the membrane. A membrane can be made, in part, of a phospho- lipid bilayer, and certain proteins can form pores in the membrane. Molecules that can dissolve in lipids may pass directly through the membrane by diffusion. For example, because of their nonpolar nature, both carbon dioxide and oxygen dissolve in lipids. Molecules that are very small but not soluble in lipids may diffuse across the membrane by moving through the pores in the membrane.ENGLISH GROUP PROJECT: THE GLOBAL VENTURE (Thailand) Comprehensive Presentation Script & Role Outline (5-Person Distribution) 1. Strategic Role & Workload Distribution Matrix Role / Name Core Domain / Responsibility Presentation Delivery Scope Member 1Member 1 Tan Finance & Housing (Rent, cost of living, deposits, urban/rural margins)Finance & Housing (Rent, cost of living, deposits, urban/rural margins) Slide 3: Finance Lead, Slide 8: Data VisualizerSlide 3: Finance Lead, Slide 8: Data Visualizer Member 2Member 2 Huy Work Culture & Professional Etiquette (Hierarchy, industry growth, networking)Work Culture & Professional Etiquette (Hierarchy, industry growth, networking) Slide 3: Culture Lead, Slide 9: Adaptation ExpertSlide 3: Culture Lead, Slide 9: Adaptation Expert Member 3Member 3 Minh Legal, Immigration & Visa Pathways (Non-Immigrant B visas, extensions, 90-day rules)Legal, Immigration & Visa Pathways (Non-Immigrant B visas, extensions, 90-day rules) Slide 3: Legal Anchor, Slide 4: Legal FrameworkSlide 3: Legal Anchor, Slide 4: Legal Framework Member 4Member 4 THanh Healthcare Ecosystem & Public Safety (Insurance, emergency networks, local hazards)Healthcare Ecosystem & Public Safety (Insurance, emergency networks, local hazards) Slide 3: Safety Anchor, Slide 10: Matrix PresenterSlide 3: Safety Anchor, Slide 10: Matrix Presenter Member 5Member 5 Sơn(project manager),Kiên Logistics, Climate & Project Manager (Transit, weather, group synthesis)Logistics, Climate & Project Manager (Transit, weather, group synthesis) Slide 1-2: Opener, Slide 6: Email Lead, Slide 11-12: CloserSlide 1-2: Opener, Slide 6: Email Lead, Slide 11-12: Closer 3. Complete Presentation Script (Slide-by-Slide) Execution Note: During delivery, presenters should display the corresponding slide from the HTML presentation tool. Speak clearly, maintaining eye contact with the grading panel. 12-Slide Presentation Guide: Secondments in Thailand Slide 1: Title Slide Purpose: Introduce the topic clearly. Content guide: Include the presentation title, group members’ names, course/module name, and date. Speaker guide: Briefly say that the presentation explains what employees and companies should consider before sending someone on secondment to Thailand. Slide 2: Agenda / Overview Welcome everyone. Our presentation is about secondments in Thailand. We will cover the main areas that a company and employee should prepare for before relocation. These include finance and housing, work culture, legal and visa requirements, healthcare and safety, and daily logistics such as transport and climate. By the end of the presentation, we hope to show that a successful secondment depends not only on the job itself, but also on good planning before and after arrival in Thailand. Slide 3: What Is a Secondment? A secondment is a temporary work assignment where an employee is transferred to another country, branch, client site, or partner organization while usually remaining connected to the original employer. Secondments require coordination between the employee, home employer, host organization, and local authorities. Slide 4: Finance & Housing — Cost of Living Finance and housing are one of the first things a secondee should plan before moving to Thailand. The cost of living can vary a lot depending on whether the employee is based in Bangkok, another major city, or a regional area. Urban areas usually have higher rent, but they also offer better access to transport, hospitals, offices, and international services. In smaller cities or rural areas, rent may be lower, but transport and convenience can become bigger concerns. So, the key point is that secondees should not only compare prices, but also consider location, commute, and what support the employer provides. Slide 6: Work Culture — Hierarchy & Etiquette Purpose: Help secondees understand workplace expectations. Content guide: Cover respect for seniority, polite communication, indirect feedback, saving face, punctuality, proper greetings, and professional dress. Speaker guide: Explain that foreign employees should avoid being too blunt in meetings and should observe how local colleagues communicate with managers or senior staff. Suggested visual: “Do and Don’t” etiquette list. Slide 7: Work Culture — Industry Growth & Networking Purpose: Connect secondments to career and business opportunities. Content guide: Mention sectors where Thailand often attracts foreign professionals, such as manufacturing, tourism, logistics, finance, technology, and regional business operations. Discuss relationship-building and networking. Speaker guide: Emphasize that trust and long-term relationships are important in Thai professional settings. Networking can happen through industry events, chambers of commerce, company introductions, and informal business meals. Suggested visual: Thailand industry opportunity map or sector icons. Slide 8: Legal & Immigration — Visa Pathways Purpose: Explain the main legal entry pathway for work-related secondments. Content guide: Introduce the Non-Immigrant B visa as a common work/business visa category. Mention that supporting documents may include passport, application forms, employment or company letters, and other evidence requested by Thai authorities. Speaker guide: Make clear that a visa alone may not be enough to legally work; seconded employees normally need the correct visa and work authorization. The exact process depends on the employer, role, nationality, and assignment structure. Suggested visual: Simple flowchart: Home employer → Host company → Visa application → Arrival → Work permit/compliance. Slide 9: Legal & Immigration — Compliance Rules Purpose: Explain ongoing responsibilities after arrival. Content guide: Cover visa extensions, work permit validity, re-entry permits, address reporting, and 90-day reporting for eligible long-stay foreigners. Speaker guide: Stress that compliance is not a one-time task. Employees and HR teams should track deadlines carefully because missing reporting or renewal dates can cause fines, delays, or legal issues. Suggested visual: Compliance checklist or timeline. Slide 10: Healthcare & Public Safety Purpose: Explain how secondees should prepare for health and safety risks. Content guide: Cover international health insurance, access to private hospitals, emergency numbers, vaccinations or health checks if required, and common local hazards such as road safety, flooding, heat, food hygiene, and mosquito-borne illnesses. Speaker guide: Explain that Thailand has strong healthcare options in major cities, but employees should confirm insurance coverage before arrival. They should also know what to do in an emergency and save important contact numbers. Suggested visual: Emergency preparation checklist. Slide 11: Logistics & Climate Purpose: Explain practical relocation and daily-life planning. Content guide: Cover public transit, taxis, ride-hailing, domestic travel, airport access, SIM cards, banking, weather, rainy season, heat, and packing needs. Speaker guide: Mention that weather affects commuting, clothing, housing choice, and travel planning. Employees should plan around heat, rain, and possible flooding, especially during the rainy season. Suggested visual: Seasonal calendar showing hot, rainy, and cool periods. Slide 12: Project Manager / Group Synthesis Purpose: Bring the presentation together and end with key recommendations. Content guide: Summarize the main risks and preparation steps: budget early, secure compliant visa/work permit arrangements, understand workplace culture, arrange insurance, and prepare for climate/logistics. Speaker guide: Conclude by saying that a successful secondment in Thailand depends on both professional readiness and personal relocation planning. End with 3–5 recommendations for companies and employees. Suggested visual: Final checklist: “Before departure,” “Upon arrival,” and “During secondment.” A simple way to divide the work is: Member 1: Slides 1–3 introduction. Member 2: Slides 4–5 finance and housing. Member 3: Slides 6–7 work culture. Member 4: Slides 8–9 legal and immigration. Member 5: Slides 10–12 healthcare, logistics, and conclusion. Grade -3 Subject Mathematics Concept: Patterns Chapter/ Topic: Patterns Sub Topic: Identifies simple symmetrical shapes and patterns Objective: Students will be able to identify simple symmetrical shapes and patterns using the universal design of learning, CPA approach, and engaging activities. Materials: Whiteboard and markers Symmetrical shapes and patterns flashcards Pattern blocks Construction paper Scissors Glue Procedure Introduction (5Minutes) Introduce the concept of simple symmetrical shapes and patterns to the students. Explain the concept of symmetry and how it can be found in various shapes and patterns. Show examples of symmetrical shapes and patterns using flashcards and discuss with the students. Activity-1 (10 minutes) Hand out pattern blocks to each student. Instruct students to create symmetrical shapes using the pattern blocks. Once they have created their shapes, have them identify the line of symmetry in each shape. Discuss as a class which shapes are symmetrical and why Activity-2 (10 minutes) Provide students with construction paper, scissors, and glue. Instruct students to create a symmetrical pattern art piece by cutting out shapes and arranging them in a symmetrical pattern. Encourage students to be creative with their designs. Have students share their symmetrical pattern art with the class. Assessment (5 minutes): To assess student understanding, ask students to identify the line of symmetry in various shapes and patterns shown on the whiteboard. Provide feedback to students on their responses to ensure they understand the concept of symmetry.