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1.5

Minor Versionm

by Suhail Ahanger

Introduction

Convert any plastic bottle or transparent cup into a volume measuring device by using a fixed volume device like a syringe or ink filler.

Video Overview

    • Exercise caution when using the scissor.

  1. Cut a strip of paper equal to the height of the bottle and width 3 cm. Using glue, stick the paper strip along the bottle's wall such that you cover the full length of the bottle. Using glue, stick the paper strip along the bottle's wall such that you cover the full length of the bottle.
    • Cut a strip of paper equal to the height of the bottle and width 3 cm.

    • Using glue, stick the paper strip along the bottle's wall such that you cover the full length of the bottle.

  2. Fill syringe with water till 5 ml and pour it into the bottle. Repeat this four times which will give you 20 ml Now that you have the 20 ml level on the bottle, mark the level on the strip and label it as '20 ml' Likewise, repeat the above steps and mark the paper strip at regular intervals (20 ml, 40 ml, 60 ml, and so on).
    • Fill syringe with water till 5 ml and pour it into the bottle. Repeat this four times which will give you 20 ml

    • Now that you have the 20 ml level on the bottle, mark the level on the strip and label it as '20 ml'

    • Likewise, repeat the above steps and mark the paper strip at regular intervals (20 ml, 40 ml, 60 ml, and so on).

  3. Empty the water from the bottle once you have completed the scale Cover the paper with a transparent cellophane tape to have a water proof volume measuring  scale!
    • Empty the water from the bottle once you have completed the scale

    • Cover the paper with a transparent cellophane tape to have a water proof volume measuring scale!

    • Markings and the level of water are not matching. Make sure your eyes are in level with water while marking on the scale. Even 1 ml error in each filling would multiply to 5 ml when the full 20 ml is marked.

    • Also the cylinder is not placed on a flat surface while marking.

  4. Please refer to the attachment at the end of this tactivity for the observation questions.
    • Please refer to the attachment at the end of this tactivity for the observation questions.

  5. In first variation test tube is being used as a measuring cylinder with scale readings at intervals of 1 ml volume. In second variation a bucket is being used as a measuring cylinder with the scale readings at 1 liter intervals apart.
    • In first variation test tube is being used as a measuring cylinder with scale readings at intervals of 1 ml volume.

    • In second variation a bucket is being used as a measuring cylinder with the scale readings at 1 liter intervals apart.

    • To learn and make the variations for DIY Battery, please go to DIY Volume Measuring Cylinder (Variations)

Finish Line

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Kailash NR

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