People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
Shanghai Science Edition Ninth Grade Physics
People's Education Edition Physics for Grade 8, Volume 1
Beijing Normal University eighth grade physics volume one
Shanghai Science Edition 8th Grade Physics
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Ke Edition High School Physics Compulsory Course One
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Guangdong and Shanghai version of eighth grade physics volume 2
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Lu Jiao edition eighth grade physics volume 1
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Category | Format | Size |
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People's Education Edition Physics for Grade 8, Volume 1 | pptx | 6 MB |
Description
"Measuring Average Speed" Mechanical Motion PPT Courseware 4
Review and Discussion
1. What is the formula for speed and the meaning of each letter?
2. If you want to measure the average speed of an object, what physical quantities need to be measured? What measuring tools are needed?
3. How to use the scale? How to use stopwatch?
Move your hands: Practice using the stopwatch
The teacher releases a ping pong ball from a height. The students start timing when they hear the sound of the table tennis ball hitting the ground for the first time, stop timing when they hear the sound of the second hitting the ground, and compare the timing results.
Experimental steps: Page 23 of the textbook.
Notice:
1. The movement distance of the car is the distance from the front of the car to the front of the car.
2. The car must be released from rest from the top of the slope.
3. Do not change the slope of the incline during measurement.
(Two students in the same group completed it once each and compared.
Experimental conclusion and analysis:
discuss:
1. Are your data the same as other students? Why?
Are not the same. Because the slope of the slope and the selected distance are different.
2. How to find the average speed of the car in the second half of the entire journey?
3. Do you have any other findings or questions during the experiment?
Scalability experiments
Try the experiment:
1. Measure the speed of the car moving on the slope.
2. Measure changes in the speed of a person's walking.
Little information:
Due to the strong directivity of ultrasonic waves, slow energy consumption, and long propagation distances in the medium, ultrasonic waves are often used for distance measurement, such as distance meters and level measuring instruments, which can be achieved by ultrasonic waves.
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For more information about the "Measurement of Average Speed of Mechanical Motion" PPT courseware, please click the "Measurement of Average Speed of Mechanical Motion ppt ppt" tag.
"Measuring Average Speed" Mechanical Motion PPT Courseware 7:
"Measuring Average Speed" Mechanical Movement PPT Courseware 7 Learning Objectives: Know the average speed measurement method and issues to pay attention to. Understand and appreciate the meaning and formula of average speed. Cultivate students' rigorous, serious and realistic learning and inquiry attitude. Measure the average speed of objects. Car..
"Measuring Average Speed" Mechanical Motion PPT Courseware 6:
"Measuring Average Speed" Mechanical Movement PPT Courseware 6 Learning Demonstration Improvement Plan Experimental equipment: trolley, long wooden board, spacer block, iron clamp, small iron bookend, pencil. ①How to place and adjust the incline (track)? ②How to determine the starting point and end of the movement..
"Measuring Average Speed" Mechanical Motion PPT Courseware 5:
"Measuring Average Speed" Mechanical Movement PPT Courseware 5 Experimental Investigation: Changes in the Speed of the Car Sliding Down the Incline Link 1: Asking Questions When the car slides down the slope, does the speed change? How? Session 2: Conjectures and Hypotheses The speed of the car when sliding down the slope can...
File Info
Update Time: 2024-09-07
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