·        Specimen located in the nature could be gathered by pupils from discipline excursions and nature hunt
                                            Film strips are sequence of clear continue to pictures with particular person frames on 35mm movie. A tap recorded narration is often synchronized with film strip.
It is just a framed iron sheet carrying porcelain coating in certain darkish colour generally black or green. It can be employed to Exhibit pictures, cutouts and light objects with disc magnets or magnetic holders.
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·        Check with concerns from The scholars to elicit extra specifics of your features of the item or specimen less than observation.
·        Explain and emphasize important structural facts of the item or specimen beneath observation
As the speaker needs to visually reinforce a point with terms or symbols, he eliminates the suitable strip or paper. It generates desire.
·        Designs reveal the complex and intricate operations in a very click here simplified way and thus make comprehension less complicated.
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To indicate the developments and interactions ex: solitary line displays the relation as well as the variation in the amount. Quantitative facts are plotted or when the data is ongoing.
“Flash playing cards can be a set of pictured paper playing cards of varying measurements which are flashed one after the other inside of a rational sequence.â€
1)Â Â Â Â Â Dialogue filmstrip: it's ongoing strip of film consisting of person frames arranged in sequence commonly with explanatory titles.
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The principle included would be the inter1ooking of fibers of two rough or bairy surfaces, so the parts pressed on to some history which can be hard and vertical will keep.