lesson2-performmensurationandcalculation-210731121526.pdf
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This document provides instruction on electrical measurement and calculation. It discusses measurement systems, converting between English and metric units, and using a multitester to measure voltage, resistance, and current. The key steps for converting units using conversion factors are outlined. Measurement of resistance using a multitester is also explained, including adjusting the meter to zero before measuring and determining resistance value based on the scale reading and range.
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This daily lesson log outlines a science teacher's lesson plans for a 10th grade class on plate tectonics over the course of a week. The objectives are for students to understand the relationship between volcanoes, earthquakes, and mountain ranges, and learn ways to prepare for disasters. Lessons include discussing evidence that supports plate tectonics like the continental drift theory and seafloor spreading. Students participate in hands-on activities and presentations to learn about how plates move and generate landforms. They also develop an information campaign to educate locals about geologic hazards and disaster preparedness.
dll 1ST QUARTER.pdf
This document outlines a science lesson plan for a 10th grade class covering plate tectonics. The objectives are for students to understand the relationship between volcanoes, earthquakes, and mountains, and learn ways to prepare for disasters. The lesson covers evidence that supports plate tectonics theory, including continental drift theory, seafloor spreading, and calculating spreading rates. Students perform hands-on activities and present their work. They also complete a performance task to design an information campaign about earthquake and volcanic eruption risks and preparedness for local communities.
1ST QUARTER.pdf
This document outlines a science lesson plan for a 10th grade class covering plate tectonics. The objectives are for students to understand the relationship between volcanoes, earthquakes, and mountains, and learn ways to prepare for disasters. The lesson covers evidence that supports plate tectonics theory, including continental drift theory, seafloor spreading, and calculating spreading rates. Students perform hands-on activities and present their work. They also complete a performance task to design an information campaign about earthquake and volcanic eruption risks and preparedness for local communities.
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- 1. LESSON 2: Perform Mensuration and Calculation Prepared By: Mr. Benandro A. Palor
- 2. After going through this module, you are expected to: 1. explain the basic concept of a system of measurement; 2. perform measurement and calculation about electrical works; and 3. observe safety precautions in handling electrical measuring tools and instruments.
- 3. SYSTEM OF MEASUREMENT It is defined as a system of related measures that facilitates the quantification of some particular characteristic. It is a set of units that can be used to specify anything that can be measured in the layout and installation of electrical materials. There are several electrical measuring tools and instruments already discussed in the previous lesson. In this lesson, we will focus on the commonly used measurement and calculations in performing layout for electrical installation works. Provided on the next slide is the system of measurement used in measuring distances which focuses on linear measurement which means that the division per scale is of equal distance to each other, non-linear measurement on the other hand pertains to the unequal distance of each division in the scale of a measuring instrument.
- 5. English Units to Metric Units Equivalent • 1 inch = 2.54 cm • 1 yard = 91.44 cm • 1 foot = 30.48 cm
- 6. BASIC UNIT CONVERSIONS The most basic unit conversion from English to Metric and vice versa is by using the Conversion Factor which uses a fraction or factor written so that the denominator and numerator are equivalent values with different units as shown:
- 7. EXAMPLE: Convert 12 inches to centimeter Step 1: Write conversion factors for inches and centimeter OR Step 2: Choose a conversion factor that will allow you to cancel the unit of a given quantity, in the given example, the given quantity is inches. Step 3: Operate to successfully convert units.
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- 10. Resistance Reading To read the resistance, set the selector switch to the appropriate Ohmmeter/resistance range to be used, let the negative and positive probe touch each other and while doing so, adjust the zero-ohm adjustment knob so that the pointer will point to zero-ohm in the scale before doing any resistance measurement. The table below shows the value per scale division depending on the resistance range to be used.
- 11. The Ohmmeter Scale is located at the topmost scale of the multitester, depending on where the pointer is deflected or pointed and the range set on the selector switch, you may now determine the value of the resistance of any material being tested.
- 12. Thank You!