"Springs and Rubber Bands" PPT

Description

Hunan Education Edition Fourth Grade Science Volume 2, Spring and Rubber Band PPT

Part 1: The force of springs and rubber bands

Play with springs and rubber bands and describe their changes.

Reaction force of rubber band to opponent

Like springs and rubber bands, the force generated by trying to return to its original shape after deformation is elastic force.

spring dynamometer

Function: A tool for measuring force.

Principle: Utilizes the elastic force of the spring.

Spring and rubber band PPT, part 2: How to use a spring dynamometer correctly

1. Choose a suitable spring dynamometer. The force measured should not exceed the measuring range of the dynamometer.

2. Lift the spring dynamometer vertically and observe whether the initial position of the pointer points to zero, otherwise adjust it to zero.

3. When measuring, wait until the pointer stops and look straight at the pointer reading to minimize the reading error.

Spring and rubber band PPT, part three: making a simple force gauge

Production Method:

1. Cut the cardboard into a small board 20 cm long and 4 cm wide.

2. Fix one end of the rubber band on the top of the cardboard, and hang a piece of thin wire on the other end of the rubber band (the two ends of the thin wire are made into the pointer and hook of the dynamometer respectively). The length of the thin wire should exceed the cardboard.

3. Take a hook code and hang it on the hook, write down the position pointed by the pointer, and mark the scale.

Keywords: Hunan Education Edition fourth grade science PPT courseware for the second volume free download, spring and rubber band PPT download, .PPT format;

For more information about the "Springs and Rubber Bands" PPT courseware, please click the Spring and Rubber Bands ppt tab.

"Springs and Rubber Bands" PPT download:

Hunan Education Edition Fourth Grade Science Volume 2, Spring and Rubber Band PPT Download, Part One: Guess: Pull or squeeze the spring, rubber band, and plasticine with force. Is there any difference in the result after letting go? Let’s do it next: Think about it: ..

"Springs and Rubber Bands" PPT courseware:

Hunan Education Edition fourth grade science volume 2, springs and rubber bands PPT courseware, the first part of the content: Think about it Think about it, what methods can we use to study springs? When I press the spring, I observe that I feel it. When I pull the spring, I observe that I feel it.

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Update Time: 2024-11-16

This template belongs to science courseware Hunan Education Edition Fourth Grade Science Volume 2 industry PPT template

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