Activity 2.3 Class 8 Science Friends and Foe
In this post, you will find NCERT
Science Class 8 Chapter 2 Friends and Foe Activity solutions. Class 8 science chapter 2
consists of NCERT Activity 2.3
Class 8 Science Explanation with a conclusion.
NCERT Activity 2.3 Class 8 Science Explanation with a conclusion
You are suggested to study NCERT activity 2.3 class 8 science explanation
with a conclusion so that you can attempt questions based on activity 2.3
class 8 science.
Activity 2.3
Class 8 Science
· Take ½ kg flour (atta/maida).
· Add some sugar and mix with warm water.
· Add a small amount
of yeast powder and knead to make a soft dough.
· What do you
observe after two hours.
· Did you find the
dough rising?
 |
| Activity 2.3 Class 8 Science Friends and Foe |
Procedure activity 2.3 Class 8 Science
· At first we take
some flour in a pan
· And add some sugar
to it.
· We add some amount
of yeast powder.
· After that we add
some lukewarm water.
· We knead to make the dough and keep it for some time.
Observation activity 2.3 Class 8 Science
After two hours, we see the dough rises up and become
fluffy.
Explanation activity 2.3 Class 8 Science
This happens because yeast reproduces rapidly in the
presence of sugar and produces carbon dioxide gas. This gas gets trapped in the dough
and makes it rise.
Conclusion activity 2.3 Class 8 Science
In this activity, we
can see the action of yeast on flour or Maida. This method is used to make
bread (double roti).
Related Topics
1. Activity 2.2 Class 8 Science
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