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by Procheta Mallik

Introduction

Make a paper mache model of the brain by sticking coloured papers, depicting the different segments of the brain, on an inflated balloon

Video Overview

    • Use the scissors with caution.

    • Do not ingest the fevicol.

  1. Inflate the balloon from this end until big enough to make a bowl shape that sits on your head. Tie a knot using cotton thread so that the balloon remains inflated. Place the balloon on a stand similar to the one in the picture (tape roll).
    • Inflate the balloon from this end until big enough to make a bowl shape that sits on your head.

    • Tie a knot using cotton thread so that the balloon remains inflated.

    • Place the balloon on a stand similar to the one in the picture (tape roll).

    • If a stand is not accessible, then you can stick the balloon to the edge of a table with the help of tape.

  2. In a new cup, fill water until the mentioned mark. Then add glue to the water as shown in the picture. The glue and water should be in a 1:1 proportion. Mix the glue and water together using an ice cream stick, and getting rid of lumps.
    • In a new cup, fill water until the mentioned mark.

    • Then add glue to the water as shown in the picture. The glue and water should be in a 1:1 proportion.

    • Mix the glue and water together using an ice cream stick, and getting rid of lumps.

    • Instead of mixing water and glue, you can also mix flour and glue for a thicker consistency.

  3. Tear the newspaper into pieces roughly the size of the blue rectangle. Apply the glue mixture using an ice cream stick on to the pieces of newspaper. You can also use your fingers to apply the glue, or any other tool like a spoon.
    • Tear the newspaper into pieces roughly the size of the blue rectangle.

    • Apply the glue mixture using an ice cream stick on to the pieces of newspaper.

    • You can also use your fingers to apply the glue, or any other tool like a spoon.

  4. After applying the glue mixture, stick the newspaper on to the balloon. Continue doing this until you fill the top of the balloon with these newspaper pieces. If the newspaper does not stick properly on to the balloon, just apply more of the mixture once you place it on the balloon and even the paper out.
    • After applying the glue mixture, stick the newspaper on to the balloon.

    • Continue doing this until you fill the top of the balloon with these newspaper pieces.

    • If the newspaper does not stick properly on to the balloon, just apply more of the mixture once you place it on the balloon and even the paper out.

  5. Keep sticking the newspaper pieces until you just pass the point where the balloon starts curving inwards. Look at the red arrows for an example. Now take the white A4 sheets, and tear it into pieces just like the newspaper and make a final white layer on top of the newspaper. It is okay if you do not use white paper in the end and leave it with thick enough newspaper layers. White paper gives a finer finish.
    • Keep sticking the newspaper pieces until you just pass the point where the balloon starts curving inwards. Look at the red arrows for an example.

    • Now take the white A4 sheets, and tear it into pieces just like the newspaper and make a final white layer on top of the newspaper.

    • It is okay if you do not use white paper in the end and leave it with thick enough newspaper layers. White paper gives a finer finish.

    • Leave the balloon undisturbed now for 2-3 hours in the sun until completely dry, or overnight.

  6. Lift the balloon up from the stand and turn it around. Unwind the thread keeping it inflated, but pinch the balloon as shown so as to not let it deflate immediately. Pinch the balloon before you remove the thread so that you don't deflate it by mistake.
    • Lift the balloon up from the stand and turn it around.

    • Unwind the thread keeping it inflated, but pinch the balloon as shown so as to not let it deflate immediately.

    • Pinch the balloon before you remove the thread so that you don't deflate it by mistake.

    • You can also use a very thin pin to poke the balloon - this way it will deflate slowly on its own.

  7. Let the air out of the balloon slowly, so that the shape of the bowl remains intact. Do not worry if some of the newspaper pieces on the inside start to come out a little bit when they separate from the balloon. You can stick them back with a little glue. Do not worry if some of the newspaper pieces on the inside start to come out a little bit when they separate from the balloon. You can stick them back with a little glue.
    • Let the air out of the balloon slowly, so that the shape of the bowl remains intact.

    • Do not worry if some of the newspaper pieces on the inside start to come out a little bit when they separate from the balloon. You can stick them back with a little glue.

  8. Once the balloon completely deflates, remove it from the bowl. Trim the edges using a scissors to have a neat finish. Trim the edges using a scissors to have a neat finish.
    • Once the balloon completely deflates, remove it from the bowl.

    • Trim the edges using a scissors to have a neat finish.

  9. Draw marks on the cap as shown in the pictures - this is to divide the lobes. Draw marks on the cap as shown in the pictures - this is to divide the lobes. Draw marks on the cap as shown in the pictures - this is to divide the lobes.
    • Draw marks on the cap as shown in the pictures - this is to divide the lobes.

  10. Take any four colour sheets, and cut them into tiny pieces and start applying glue. Take any four colour sheets, and cut them into tiny pieces and start applying glue. Take any four colour sheets, and cut them into tiny pieces and start applying glue.
    • Take any four colour sheets, and cut them into tiny pieces and start applying glue.

  11. Each division will be associated with one colour to represent that lobe. Cut the pieces in a way to fit the lobe best. Cut the pieces in a way to fit the lobe best.
    • Each division will be associated with one colour to represent that lobe.

    • Cut the pieces in a way to fit the lobe best.

  12. Once you stick the colour sheets as shown in the pictures - Label them too! Frontal Lobe - Problem Solving, Thinking, Memory, Behaviour, Movement Temporal Lobe - Hearing, Feelings, Learning
    • Once you stick the colour sheets as shown in the pictures - Label them too!

    • Frontal Lobe - Problem Solving, Thinking, Memory, Behaviour, Movement

    • Temporal Lobe - Hearing, Feelings, Learning

    • Parietal Lobe - Sense of Language, Perception

    • Occipital Lobe - Vision

    • Where do the lobes fall when you place the cap on your head?

    • Can you research further about how each lobe is divided into parts. Example: Parietal lobe is responsible for sense of language and perception - which part falls where?

    • Can you identify important parts of the brain such as 1) Brocas area 2) Sensory strip 3)Wernicke area

    • What forms the cerebrum and the cerebellum?

    • What would you do to show the right hemisphere and the left hemisphere?

    • If the pieces of paper are not sticking, you can try adding more glue to your mixture to help the adhesiveness.

    • If the pieces of paper are not aligning with the division lines of the lobes - just cut the extra part with a scissors.

    • If the bowl is not solid enough after drying - just ass two or three more layers of newspaper and leave it to dry for some more time.

Finish Line

Suchitha Vishwa

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