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The document discusses setting up circuits for car headlights and determining the safest circuit. It includes activities where students match electrical symbols, draw circuit diagrams, physically build series and parallel circuits, and develop a podcast script explaining why parallel circuits are safer for headlights to promote nighttime road safety.
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This document discusses electric current and its effects. It explains that:
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2) Thomas Edison invented the light bulb, which uses a filament that becomes very hot when electricity passes through it.
3) Conductors allow the flow of electricity, heat, or sound while insulators do not conduct these.
4) Series and parallel circuits differ in whether they provide one or multiple paths for electric current.
5) Static electricity and lightning both involve the buildup and discharge of electric charges, though lightning discharges much faster.
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Ryan Murphy M.Ed
www.sciencepowerpoint@gmail.com
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Easy description of steps involved in carbon cycle with pictures and videos which would only work in PPt. Yeah you can use it but do give me some credit or just remember me in your prayers :)
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All about the carbon cycle- how carbon as an element is transferred from one member of the Cycle to another
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The document discusses the carbon cycle, which involves carbon continually moving through living organisms, oceans, atmosphere, and rocks. There are four main subcycles - the rock subcycle over millions of years, ocean subcycle over hundreds of years, biological subcycle over days to years, and fossil fuel subcycle over millions of years being released in recent decades. Carbon is essential for life and plays a key role in climate as a greenhouse gas.
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Carbon cycle ppt
The document summarizes the carbon cycle, which is the process by which carbon atoms are recycled through biotic and abiotic parts of the environment. It involves photosynthesis by autotrophs like plants, which use carbon dioxide, water and sunlight to produce sugars and oxygen. Heterotrophs like animals then consume the sugars through cellular respiration, releasing carbon dioxide and water. Carbon is also stored both inorganically in the atmosphere, oceans, soil and organically in living things.
the importance of the carbon cycle
The carbon cycle is a complex series of processes through which carbon atoms are recycled and reused. Plants absorb carbon dioxide from the atmosphere through photosynthesis and animals release carbon dioxide through respiration, allowing carbon to be reused. The carbon cycle is essential for producing food and renewable resources through photosynthesis and decomposition, and serves as the earth's waste disposal system through decomposition. It also affects the climate as carbon dioxide in the atmosphere causes warming.
Carbon cycle
The carbon cycle describes the movement of carbon through Earth's atmosphere, oceans, soil, and living things. Carbon is absorbed by plants through photosynthesis and enters the biosphere, and is released back into the atmosphere through respiration and decomposition. Burning fossil fuels has increased the amount of carbon dioxide in the atmosphere, contributing to global climate change. The carbon cycle is essential for life and affects Earth's climate.
The Carbon Cycle by Tangstar Science
1) Carbon cycles through both living and non-living components of the environment through various processes.
2) Photosynthesis removes carbon dioxide from the atmosphere and cellular respiration releases it back.
3) Carbon is also stored long-term in fossil fuels through the fossilization of ancient plants and animals, and released through their combustion.
Carbon cycle
Carbon is an element that is the basic building block of living things like humans, animals and plants. It is also found in rocks, oceans, and greenhouse gases in the atmosphere. The carbon cycle is the movement of carbon between the earth and atmosphere, as carbon is recycled through plants, animals, and the environment over time. Humans impact the carbon cycle through burning fossil fuels, which releases stored carbon and increases carbon dioxide in the atmosphere, contributing to global warming. To reduce this impact, people can burn less fossil fuels and promote plant growth that absorbs carbon dioxide.
Carbon cycle
Carbon is an essential element that cycles between the atmosphere, ocean, organisms, and geologic reservoirs as part of the carbon cycle. Photosynthesis incorporates carbon from the air and water into organic compounds, while respiration and decomposition release it back. Fossil fuels like coal and oil were formed from ancient plant and algae remains over millions of years. Burning fossil fuels returns carbon to the air, and limestone erosion also adds carbon back to the cycle through weathering. The carbon cycle continuously moves carbon between the biosphere and geosphere.
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Carbon cycle slide show to be used to teach the carbon cycle to students. Probably appropriate for 5th or 6th grade students.
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The document discusses electricity and circuits. It will cover circuits, Ohm's law, resistance, electrical energy and power, electromagnetism and electronic components. Key terms include electrons, conductors, insulators, charge, and current. By the end of the unit, students will be able to describe electrical current in terms of the movement of charges, distinguish between conductors and insulators, and perform calculations involving charge, current, and time.
Simple circuit with activity
Here are the steps to find the relationship between voltage, resistance, and current in a circuit:
1. Construct a simple circuit using the materials provided with one dry cell, one resistor, and connecting wires. Use alligator clips to securely connect the components.
2. Use a multimeter to measure the voltage of the dry cell. Record this value.
3. Measure the resistance of the resistor. Record this value.
4. Connect the multimeter in series with the resistor to measure the current. Record this value.
5. Use Ohm's Law formula (V=IR) to calculate the current using the measured voltage and resistance. Compare this calculated current value to the measured one.
Circuits1
Electricity flows through circuits in a complete path called a closed circuit. Flashlights use batteries to power a light bulb through a closed circuit that is opened and closed by a switch. Circuits require a power source, conductor, and load, with electricity only flowing when the path is complete. Common conductors include metals, while insulators prevent electricity from flowing through materials like plastic or rubber. Circuits can be connected in series with one switch controlling all components, or parallel with individual switches for each component. Standard symbols are used to diagram electrical circuits.
electricity.ppt
This document provides an overview of electricity and circuits that will be covered in unit 2. It includes definitions of key concepts like potential difference, voltage, and circuits. Students will learn about series and parallel circuits, and how to measure current and voltage. They will learn circuit symbols and how to draw circuit diagrams. The goal is for students to understand electricity, circuits, and be able to apply concepts like Ohm's Law by the end of the unit.
electricity.ppt
The document provides an overview of the topics that will be covered in unit 2, which includes the physics of electricity and electronics. Some key areas that will be learned about are circuits, Ohm's law, resistance, electrical energy and power, electromagnetism, and electronic components. The unit will explore these fundamental concepts of electricity and how circuits work.
electricity (1).ppt
This document provides an overview of the content that will be covered in unit 2, which includes the physics of electricity and electronics. Some key topics that will be covered are circuits, Ohm's law, resistance, electrical energy and power, electromagnetism, and electronic components. The goal is for students to understand concepts like circuits, current, resistance, and their relationships as defined by Ohm's law by the end of the unit.
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This document provides an overview of standard grade electrical safety in the home. It discusses the basics of electricity, how plugs and wiring work, electrical safety devices like fuses and switches, potential electrical faults, and how the earth wire acts as a safety mechanism. Key topics covered include how electricity flows along wires, plug wiring and colors, the purpose of fuses and switches, dangers of loose live wires, and prevention of electric shock through proper earthing.
SCHL1-with-answersV2WEB.pdf
This document provides instructions and troubleshooting information for Snap Circuits. It includes:
1. A parts list that identifies each circuit component and its symbol.
2. Instructions for how to build circuits using the snap components and troubleshoot issues.
3. Guidelines for building circuits safely and avoiding short circuits.
4. A table of contents that lists 30 activity circuits along with their page numbers.
5. Symbols and diagrams that represent the different electrical components used in the circuits.
6. An advanced troubleshooting guide to help determine which specific components may need replacing.
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- 1. Headlights On Dark Roads Lesson Objective To workout the best circuit for car headlights. Starter: Match the electrical symbols.
- 2. Know how the use of pacemakers and defibrillators can help patients Explain what a large current can do to our bodies Know how voltage of cells and batteries affects energy transfer in circuits Use a flow model to explain the difference between electric current and energy transfer Know how switches can control parallel circuits Identify the 2 factors of a wire that will alter its resistance Level 6/7 Know how messages are carried through the nerves in our bodies Know what fuses are and why they are used Know what happens to wires when electricity flows through them Use a flow model to tell the difference between electric current and energy transfer in a circuit Use a flow model to describe resistance Know what resistance means Know what happens to the current in a parallel circuit Level 5 Explain what happens to the current when a switch is in the ‘on’ and ‘off’ position Know what happens to the current in a series circuit when more bulbs are added to the circuit Know the difference between a series and parallel circuit Know the unit of measurement for current Know how to measure current Level 4 Know the difference between a conductor and an insulator and give examples Draw a simple circuit and know the symbol for a bulb, buzzer, motor and switch Make a simple circuit that includes a bulb, buzzer, motor or switch Know what electricity is Know why it is dangerous to touch electrical equipment with wet hands Level 3
- 6. A Series circuit A battery of cells, a switch and two bulbs in series
- 7. A Parallel circuit A battery of cells and two bulbs in parallel.
Editor's Notes
- TEACHER’S NOTES First ask the class which electrical symbols match each word, then click on the words to reveal the answers.