electricity_01.ppt
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Electricity is a form of energy made up of charges that can produce light, heat, or motion. There are two kinds of electricity: static electricity, which is an electric charge that builds up on surfaces, and current electricity, which is the flow of electric charges through a conductor like a wire. Materials are either conductors, which allow charges to flow through them, or insulators, which do not allow free flow of charges. Common examples of each are provided.
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electricity_and_kinds_of_electricity.ppt
Electricity is a form of energy made up of charges that can produce light, heat, or motion. There are two kinds of electricity: static electricity which is an electric charge that builds up on surfaces, and current electricity which is the flow of electric charges through a conductor like a wire. Materials are either conductors that allow charges to flow through them like metals, or insulators that do not allow free flow of charges like wood or glass. Lightning, a form of static electricity discharge, kills over 60 people and injures over 400 people annually in the US.
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This document provides an introduction to basic electrical and electronic concepts. It defines electronic systems as having input, output, and a processing component. It describes conductors and insulators, with conductors allowing electricity to flow easily and insulators not. Semiconductors are introduced as being between conductors and insulators. Key electrical terms defined include voltage, current, resistance, and power. Resistors and their functions are explained, along with measuring resistance using a multimeter and building circuits on a breadboard. Formulas for calculating total resistance in series and parallel circuits are also presented.
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This document provides an introduction to electronics, covering its history, types of electricity, electronic components, circuits, and systems. It discusses how Greeks discovered static electricity by rubbing amber in 600 BC. It defines static and produced electricity, and describes how magnetism, chemicals, light, heat, and pressure can produce electricity. The four basic steps in electronics - basic electricity, electronic components, electronic circuits, and electronic systems - are outlined. Important scientists in the history of electronics are also listed.
Electricity
- Matter is composed of atoms which contain protons, neutrons, and electrons. The attraction between protons and electrons holds the atom together.
- Electricity is the movement of electric charge. Objects become charged through friction, conduction, or induction. Voltage is the difference in electric potential needed to move charges between two points.
- An electric circuit requires a power source, wires to conduct electricity, and a load to use the power. Circuits can be connected in series or parallel. Electricity powers many modern devices through generation, transmission, and use of electric current and fields.
Quantities of a Circuit
The three main quantities in any circuit are voltage, current, and resistance. Voltage is the potential energy that pushes electrons through the circuit and is measured in volts. Current is the flow of electricity through a circuit and is measured in amps. Resistance is a material's ability to resist or allow the flow of electric current and is measured in ohms. A change in one quantity causes changes in the other two based on Ohm's Law.
electricity.pptx
This document defines key concepts related to electricity and circuits. It explains that electricity is a form of energy from the movement of electrons, and is associated with electric charge. It discusses static electricity, conductors and insulators, electric current including alternating and direct current, voltage, electrochemical cells, resistance, and circuit components like switches, batteries, lamps and wires. Circuits can be connected in series or parallel configurations to form closed loops for electric current to flow.
Electrical Energy
The document discusses key concepts about electrical energy including:
- Atoms are made up of a nucleus surrounded by electrons that carry a negative charge. Protons in the nucleus carry a positive charge while neutrons carry no charge.
- Static electricity occurs when surfaces rub against each other, transferring electrons between them and building up positive or negative charges.
- Electric current involves the flow of electrons along a wire or conductor, which can be measured in amps. Voltage measures the energy supplied by these charges and is measured in volts.
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electricity_and_kinds_of_electricity.ppt
Electricity is a form of energy made up of charges that can produce light, heat, or motion. There are two kinds of electricity: static electricity which is an electric charge that builds up on surfaces, and current electricity which is the flow of electric charges through a conductor like a wire. Materials are either conductors that allow charges to flow through them like metals, or insulators that do not allow free flow of charges like wood or glass. Lightning, a form of static electricity discharge, kills over 60 people and injures over 400 people annually in the US.
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This document provides an introduction to electronics, covering its history, types of electricity, electronic components, circuits, and systems. It discusses how Greeks discovered static electricity in 600 BC by rubbing wool on amber. It describes the two main types of electricity as static and produced, and the different ways electricity can be produced, such as through magnetism, chemicals, light, heat, or pressure. The document outlines the four basic steps to studying electronics: basic electricity, electronic components, electronic circuits, and electronic systems. It provides examples within communications, computers, consumer products, industrial applications, and test and measurement. Finally, it recommends several important scientists and inventors to research further.
Electronics 1 mohamed ibrahim
This document provides an introduction to electronics, covering its history, types of electricity, electronic components, circuits, and systems. It discusses how Greeks discovered static electricity by rubbing amber in 600 BC. It defines static and produced electricity, and describes how magnetism, chemicals, light, heat, and pressure can produce electricity. The four basic steps in electronics - basic electricity, electronic components, electronic circuits, and electronic systems - are outlined. Important scientists in the history of electronics are also listed.
Electricity
- Matter is composed of atoms which contain protons, neutrons, and electrons. The attraction between protons and electrons holds the atom together.
- Electricity is the movement of electric charge. Objects become charged through friction, conduction, or induction. Voltage is the difference in electric potential needed to move charges between two points.
- An electric circuit requires a power source, wires to conduct electricity, and a load to use the power. Circuits can be connected in series or parallel. Electricity powers many modern devices through generation, transmission, and use of electric current and fields.
Quantities of a Circuit
The three main quantities in any circuit are voltage, current, and resistance. Voltage is the potential energy that pushes electrons through the circuit and is measured in volts. Current is the flow of electricity through a circuit and is measured in amps. Resistance is a material's ability to resist or allow the flow of electric current and is measured in ohms. A change in one quantity causes changes in the other two based on Ohm's Law.
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This document defines key concepts related to electricity and circuits. It explains that electricity is a form of energy from the movement of electrons, and is associated with electric charge. It discusses static electricity, conductors and insulators, electric current including alternating and direct current, voltage, electrochemical cells, resistance, and circuit components like switches, batteries, lamps and wires. Circuits can be connected in series or parallel configurations to form closed loops for electric current to flow.
Electrical Energy
The document discusses key concepts about electrical energy including:
- Atoms are made up of a nucleus surrounded by electrons that carry a negative charge. Protons in the nucleus carry a positive charge while neutrons carry no charge.
- Static electricity occurs when surfaces rub against each other, transferring electrons between them and building up positive or negative charges.
- Electric current involves the flow of electrons along a wire or conductor, which can be measured in amps. Voltage measures the energy supplied by these charges and is measured in volts.
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- Conductors allow the free flow of electrons and have no resistance, such as metals like copper and silver. Insulators have very few free electrons and do not conduct electricity easily, such as glass, rubber, and plastics. Semiconductors have properties between conductors and insulators.
- Static electricity is electricity at rest generated through friction, while dynamic or current electricity is electricity in motion transmitted through a conductor by a potential difference.
- Ohm's law defines the relationship between voltage, current, and resistance in an electrical circuit. It states that the current through a conductor between two points is directly proportional to the voltage and inversely proportional to the resistance between them.
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Conductors allow the flow of electrical current and are typically made of metals like copper, silver, and gold. Common conductors also include electrolytes, superconductors, semiconductors, and some non-metals such as graphite and conductive polymers. Insulators do not allow electric charges to flow through easily and have high resistivity. Common insulators include materials like wood, plastic, rubber, wool, paper, wax, and glass.
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Conductors are materials that allow electricity to flow through them easily. Good conductors include metals like copper, silver, gold and aluminum. Copper is commonly used in wires due to its high conductivity and low cost. Conductors have low electrical resistance while insulators have high resistance. Conductors are used in many applications to transfer heat, like copper pipes in refrigerators and aluminum pans. The resistance of a conductor depends on its cross-sectional area, length, and temperature - with resistance decreasing with increased area or decreased length or temperature.
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Conductors allow the flow of electrical current through the movement of electrons or other charged particles. Common conductors include metals like copper, silver, and gold, which are highly conductive. Insulators do not allow electric charges to flow freely through them and have high resistivity, so little current will flow. Common insulators include materials like wood, plastic, rubber, glass, and paper.
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2. EMF Formula: EMF (ε) = Work done (W) / Charge moved (Q)
3. The SI unit of EMF is Volt (V).
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Electricity is a form of energy that flows through conductors due to an applied voltage or electric potential difference. There are three main characteristics of electricity - current, voltage, and resistance. Current is the flow of electrons, voltage provides the force to push electrons through a circuit, and resistance opposes the flow of electrons. Electricity can flow as direct current (DC), where the flow is constant in one direction, or alternating current (AC) where the flow rapidly alternates direction. Ohm's law defines the relationship between current, voltage, and resistance in a circuit. Electric circuits use components like wires, batteries, light bulbs and switches connected in series or parallel configurations. Proper protection devices like fuses and circuit
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Electricity affects our lives in many ways. It is a form of energy resulting from the movement of electric charges like electrons. Electricity flows through conductors like metals in a closed circuit that includes a power source, wires, and a load. Common examples of circuits include those powering lights and appliances. Electricity is controlled through the use of switches, which open or close circuits to turn power flow on and off. Insulators like plastic are used to safely handle wires carrying electric current. Electromagnets demonstrate how electric currents can generate magnetic fields.
Electricity
Electricity is the flow of electrons between atoms. Objects become charged when they gain or lose electrons - gaining electrons makes them negatively charged, while losing electrons makes them positively charged. There are two main types of electricity: static electricity occurs when electrons build up on an object, while current electricity refers to the continuous flow of electrons from one place to another. Materials that conduct electricity well are called conductors, while insulators do not conduct electricity easily. Static electricity can be generated through friction or contact between objects and causes electrons to transfer.
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Electricity is the flow of electrons. Static electricity occurs when there is a buildup of electrons on an object without a discharge path, such as through friction. Current electricity requires a closed circuit or conductive path for electrons to flow from a power source through a load. Circuits can be in series, with one conductive path, or parallel with multiple paths. Conductors allow electron flow while insulators do not. Switches open or close circuits to control electron flow.
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- Conductors allow the free flow of electrons and have no resistance, such as metals like copper and silver. Insulators have very few free electrons and do not conduct electricity easily, such as glass, rubber, and plastics. Semiconductors have properties between conductors and insulators.
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Conductors allow the flow of electrical current and are typically made of metals like copper, silver, and gold. Common conductors also include electrolytes, superconductors, semiconductors, and some non-metals such as graphite and conductive polymers. Insulators do not allow electric charges to flow through easily and have high resistivity. Common insulators include materials like wood, plastic, rubber, wool, paper, wax, and glass.
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The document discusses conductors and insulators in electrical circuits. It states that materials fall into three categories: insulators, which do not allow electric current to pass through; conductors, which do allow current to pass through, such as metals like copper and aluminum; and circuits, which provide an unbroken path for electric current to flow through conductive materials. Insulators are used to cover electric wires to protect from electric shock. Switches are used to open and close circuits to control current flow.
How does electricity affect our life1
Electricity affects our lives in many ways. It is the flow of electric charges through a circuit. A circuit must be closed and contain a power source, such as a battery, connected to a load like a light bulb through a conducting material path. Circuits can be opened using a switch or by breaking the conducting path. Materials are classified as conductors, which allow electric current to flow, or insulators, which do not. Common conductors are metals, while plastics and rubber serve as insulators.
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Electricity is associated with stationary or moving electric charges borne by elementary particles like electrons. Various manifestations of electricity result from the accumulation or motion of electrons. Key historical figures involved in the study and advancement of electricity include Thales, William Gilbert, Thomas Browne, Benjamin Franklin, Alessandro Volta, Michael Faraday, and Thomas Edison. Volta invented the first electric battery that produced a steady electric current. Faraday created the first electric generator, solving the problem of generating electric current in an ongoing, practical way.
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This document provides an introduction to electric charges and current. It discusses the basics of electric charges including types of charges, electric fields, and static electricity. It also covers voltage, current, resistance, and Ohm's law. Additionally, it explains series and parallel circuits and provides examples. The document concludes with discussions of electrical safety topics like grounding, fuses, circuit breakers, and electric shocks.
Conductors
Conductors are materials that allow electricity to flow through them easily. Good conductors include metals like copper, silver, gold and aluminum. Copper is commonly used in wires due to its high conductivity and low cost. Conductors have low electrical resistance while insulators have high resistance. Conductors are used in many applications to transfer heat, like copper pipes in refrigerators and aluminum pans. The resistance of a conductor depends on its cross-sectional area, length, and temperature - with resistance decreasing with increased area or decreased length or temperature.
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This document provides an overview of electronic devices and circuits. It discusses two forms of electronic signals - analog and digital. Analog signals are continuous representations of physical measurements, while digital signals use binary numbers. The document then lists some common applications of electronics like digital electronics, power, medical devices, automotive, industrial, and communications. It classifies electronic components as either passive or active, with passive components not amplifying or converting signals, and active components able to amplify or transform energy. Vacuum tubes are then described in more detail, including the thermionic emission process, heater types, and common tube types like diodes, triodes, tetrodes, and pentodes.
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Conductors allow the flow of electrical current through the movement of electrons or other charged particles. Common conductors include metals like copper, silver, and gold, which are highly conductive. Insulators do not allow electric charges to flow freely through them and have high resistivity, so little current will flow. Common insulators include materials like wood, plastic, rubber, glass, and paper.
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Electricity is a form of energy that allows electrons to flow through conductors, producing static electricity from charge accumulation or electric current. Materials that conduct electricity well include copper and aluminum, while insulators like plastic and rubber do not allow electron flow. Most electricity is generated through electromagnetic induction using coils around magnets. Energy sources can be renewable like solar, wind, and hydroelectric or nonrenewable like fossil fuels and nuclear. Conserving energy reduces consumption across residential, commercial, industrial and transportation sectors through practices like turning off lights when not in use, unplugging appliances, using public transit, recycling, and biking or walking short distances.
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Here are the answers to the questions on Electromotive Force:
1. Electromotive Force (EMF) is the driving force that causes electric current to flow in a circuit. It is the voltage generated by the source like a battery or generator.
2. EMF Formula: EMF (ε) = Work done (W) / Charge moved (Q)
3. The SI unit of EMF is Volt (V).
4. Potential Difference is the difference in electric potential between two points in a circuit. EMF is the maximum potential difference that can be developed by the source in an ideal condition with zero resistance in the circuit.
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Material science and engineering involves investigating the relationship between a material's processing, structure, properties, and performance. Historically, materials have progressed from stone to bronze to iron to advanced materials like semiconductors and biomaterials. A material's structure determines its properties, like mechanical, electrical, thermal, and optical behaviors. Materials are classified as metals, ceramics, polymers, composites, or advanced materials used in high-tech applications. Advanced materials include semiconductors, which revolutionized electronics, and biomaterials compatible with the human body.
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Here are the key points about how electricity flows through a house:
- Electricity flows through wires. Copper wire is commonly used to carry electricity throughout a home as it is a good conductor.
- The electricity enters the house through the main electrical service panel or breaker box. This is where the electricity from the power lines outside connects to the home's internal wiring system.
- From the main panel, copper wiring runs through walls and ceilings to distribute electricity to various outlets and switches throughout the different rooms.
- Electricity flows in a closed loop called a circuit. It travels from the power source (main panel), through the wires, to devices like lights and appliances, and back to the main panel to
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Electricity is produced when electrons move between atoms. It is everywhere in electrical outlets, batteries, and static electricity from rubbing your feet on carpet. An electric circuit allows electrons to flow continuously from a power source like a battery through a conductor like a wire back to the source. Conductors freely allow electron movement while insulators do not, preventing shocks. Electricity can be static and stay in one place or use current to flow through closed circuits in appliances, creating alternating currents.
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Electricity is a form of energy that flows through conductors due to an applied voltage or electric potential difference. There are three main characteristics of electricity - current, voltage, and resistance. Current is the flow of electrons, voltage provides the force to push electrons through a circuit, and resistance opposes the flow of electrons. Electricity can flow as direct current (DC), where the flow is constant in one direction, or alternating current (AC) where the flow rapidly alternates direction. Ohm's law defines the relationship between current, voltage, and resistance in a circuit. Electric circuits use components like wires, batteries, light bulbs and switches connected in series or parallel configurations. Proper protection devices like fuses and circuit
How does electricity affect our life
Electricity affects our lives in many ways. It is a form of energy resulting from the movement of electric charges like electrons. Electricity flows through conductors like metals in a closed circuit that includes a power source, wires, and a load. Common examples of circuits include those powering lights and appliances. Electricity is controlled through the use of switches, which open or close circuits to turn power flow on and off. Insulators like plastic are used to safely handle wires carrying electric current. Electromagnets demonstrate how electric currents can generate magnetic fields.
Electricity
Electricity is the flow of electrons between atoms. Objects become charged when they gain or lose electrons - gaining electrons makes them negatively charged, while losing electrons makes them positively charged. There are two main types of electricity: static electricity occurs when electrons build up on an object, while current electricity refers to the continuous flow of electrons from one place to another. Materials that conduct electricity well are called conductors, while insulators do not conduct electricity easily. Static electricity can be generated through friction or contact between objects and causes electrons to transfer.
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Volcanic eruptions occur when hot molten rock (magma) rises from below the Earth's surface and reaches the vent of a volcano. The type of eruption depends on the viscosity and gas content of the magma. Explosive eruptions are driven by gas and throw ash and rock into the air, generating pyroclastic flows that can travel long distances and devastate areas. Effusive eruptions gently flow lava. Volcanoes are monitored for seismic activity, deformation, and gas emissions to provide warning of impending eruptions and help mitigate hazards like ash falls, pyroclastic flows, lava flows, and noxious gas releases.
NLC-Action-Plan-1.pptx
The document provides information and guidelines for conducting a National Learning Camp (NLC). It outlines 10 questions addressing learner placement, camp objectives, and duration. It also includes a sample action plan for implementing the NLC with key tasks, timelines, activities, resources, and expected outputs. The plan covers preparatory work, learner assessment and placement, curriculum planning, resource preparation, implementation and monitoring, stakeholder engagement, teacher training, evaluation and reflection, and other enrichment activities. The overall goal is to provide additional support to learners and improve learning outcomes through a balanced camp experience according to the guidelines.
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This document provides 9 practice problems involving Punnett squares. Each problem describes a genetic cross between organisms and asks the reader to: 1) state the genotypes of the parents involved in the cross, 2) draw and complete a Punnett square showing the possible genotypes of the offspring, and 3) state the phenotypic ratios expected among the offspring. The problems cover genetic crosses involving traits such as whisker length in seals, horn presence in mythical creatures, flower color and seed coat traits in peas, eye color in humans, ear shape in dogs, and toe curling in humans.
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The document outlines the endocrine system and the hormones produced by the hypothalamus and pituitary gland, as well as hormones from other sources. The hypothalamus regulates the pituitary gland to secrete hormones that control other endocrine glands. These include hormones that regulate prolactin, gonadotropins, thyroid stimulating hormone, adrenocorticotropic hormone, and growth hormone. The pituitary gland also directly secretes hormones that influence milk production, reproduction, thyroid function, growth, and adrenal cortex function. Additional hormones from other sources influence various metabolic processes, digestion, nutrient absorption, mood, bone and mineral regulation, reproduction, and more.
DAYGON WINNERS.pptx
The Department of Education in Region X of the Northern Mindanao region of the Philippines is holding a 2021 Regional Virtual Christmas "DAYGON" Competition that is open to students from the Divisions of Misamis Oriental, Iligan City, and Lanao del Norte. The competition celebrates the Christmas season of joy, gift-giving, and family unity.
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This document provides a community profile for 2019 that includes information on the physical and geographic characteristics, educational attainment, enrollment in ALS programs, and livelihood projects in several barangays in Kolambugan District, Lanao del Norte, Philippines. It finds that most residents have attained a high school level of education. It also provides details on the number of learners enrolled in various ALS programs like Basic Literacy, Elementary, Secondary, and Informal Education, as well as livelihood training in seaweed production. Photos document learners and teachers participating in community activities like a drug awareness event and the opening of a livelihood program.
KOLAMBUGAN NO. OF SLM PRODUCED.pptx
The document provides data on the number of students enrolled in schools in the District of Kolambugan, Region X, Philippines, the number of learning modules printed and distributed for different subjects and grade levels, and an overall completion rate of over 97% across all schools. It also notes some of the challenges faced in printing and distributing the modules, such as limited printing resources, technical issues, and ensuring physical distancing during module pickup.
Bokosigma.pptx
There were two major revolutions in scientific thought over the past 500 years according to the document. The first was the Scientific Revolution in the 17th-18th centuries which established experimentation and mathematical modeling as the basis for scientific knowledge. This led scientists to believe they could understand everything about the natural world. However, the 20th century saw four conceptual challenges emerge that demonstrated fundamental limits on what scientists can know. These included limits established by Lorenz, Cook and Turing, Godel, and Einstein and Heisenberg. Taken together, these ideas profoundly affected many disciplines by establishing limits on human knowledge.
177-Anatomy-Endocrine-System.ppt
The endocrine system is comprised of glands that secrete hormones directly into the bloodstream to regulate various bodily functions. Key glands include the pituitary, thyroid, parathyroid, adrenals, pancreas, ovaries/testes, and pineal gland. Hormones act as chemical messengers to control important processes such as growth, metabolism, mood, reproduction, and homeostasis. Imbalances in hormone levels can cause disorders throughout the body.
Quick-Facts.pptx
The document discusses the Technology and Livelihood Education (TLE) curriculum for grades 7-8 in the Philippines. It provides details on the goals and structure of the TLE program, which aims to develop students' technological proficiency and workplace skills. The TLE curriculum incorporates exploratory courses in agriculture, industrial arts, home economics, ICT, and other fields. It is designed to satisfy the four curriculum exits and align with TESDA training regulations to make students work-ready. Charts in the document outline the various specializations available to students at different grade levels.
PRESENTATION ON ASSESSMENT OF PERFORMANCE-BASED TASKS.pptx
This document discusses performance-based assessment and its benefits and drawbacks. Performance-based assessment measures students' ability to apply skills and knowledge through complex, authentic tasks that are process-oriented and open-ended. It tracks student work and progress to help them self-monitor and improve. Benefits include being more authentic than standardized tests and measuring higher-order thinking skills and multiple objectives. Drawbacks include needing more careful monitoring for standardization and requiring more response time. Tables show data on performance-based assessment implementation across grade levels and schools.
SMEA 1ST QTR 2020-2021.pptx
This document provides a summary of Manga Integrated School's 1st quarter monitoring, evaluation, and adjustment presentation for School Year 2020-2021. It includes information on student access such as enrollment rates by grade level, modality, and gender. It also summarizes learner performance indicators like submission of outputs, satisfaction survey results, and quarterly test results by learning area and grade level. Charts and graphs are used to visually depict the data collected on these metrics.
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electricity_01.ppt
- 1. Electricity
- 2. What Is Electricity? • A form of energy made up of charges that can produce light, heat, or motion
- 3. Kinds of Electricity Static • An electric charge that collects or builds up on the surface of an object • Examples – Shocking – Lightening Current • The flow of electric charges carried through a material such as wire or other conductors • Examples – Power lines – Computers – Appliances
- 4. Conductors and Insulators Conductors • Any material that allows electric charges to move through it • Examples: – Metals (esp. copper) – Your body – Electric wires Insulators • Materials that do not allow electric charges to flow freely through them • Examples: – Wood – Glass – Rubber
- 26. Lightning • kills more than 60 people • injures more than 400 people a year in the US • one mile every five seconds • about 50,000 F
- 27. Limit Exposure
- 28. Do Now Write a paragraph about the cartoon. Tell what he is trying to do. Will it work and why? What do you think will happen? Use the following words, static electricity, lightning, electrons, positive and negative charges.
- 31. Electricity Know what it is Know the different kinds Know about the different kinds of circuits Know about conductors and insulators
- 32. The End