Portuguese Activity proposes, to 2nd year high school students, the study of subject predicative in the interesting text, which explains how corn turns into popcorn.
You can download this Portuguese language activity in an editable Word template, ready to print in PDF and also the completed activity.
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SCHOOL: DATE:
PROF: CLASS:
NAME:
Read:
by Marina Motomura
Every corn grain has three parts: the embryo, where the genetic material is located, the endocarp and the pericarp, mainly composed of starch and water. The difference with popcorn corn is that it has less water (about 14.5%) than green corn and its pericarp has a husk four times stronger than the corn we use to eat and make hominy.
When placing the popcorn in the pan or in the microwave, the heat causes the water inside the bean to turn into steam, which tries to come out and pushes the pericarp husk. At the same time, the starch, which used to be solid, starts to turn into a kind of gelatin, increasing in size. Together, the pressure of water vapor and starch reaches 10 kg/cm2, five times more than that of a car tire!
The pressure is so great that the shell bursts! Upon contact with air, the gelatinized starch solidifies and turns into the white foam we eat. When the pericarp has cracks or is not very hard, the water vapor escapes, the popcorn does not stick and the piruá appears. Another reason the popcorn doesn't pop is when the grain has too much or too little water in the composition.
Available in: http://mundoestranho.abril.com.br. Accessed on: 07/10/16.
Photo available at: http://www.gerandodemanda.com.br. Accessed on: 07/10/16.
Question 1 - The purpose of the text is:
A:
Question 2 - In the excerpt “[…] the embryo, where the genetic material, the endocarp and the pericarp are located, composed mainly of starch and water.”, the use of language can be seen:
a) regional
b) informal
c) scientific
d) cultured
Question 3 - The use of comparison in:
a) “[…] it has less water (about 14.5%) than green corn […]”
b) “[…] a husk four times more resistant than the corn we use to eat […]”
c) “[…] reach 10 kg/cm2, five times more than a car tire!”
d) “[…] the gelatinized starch solidifies and turns into the white foam we eat.”
Question 4 – Identify the word whose spelling needs to be modified due to the New Spelling. Then correct it and explain that rule:
A:
Question 5 - In "When the pericarp has cracks or is it little hard […]”, the underlined part works in the context of the sentence as:
a) adnominal deputy
b) adverbial adjunct
c) nominal complement
d) predicative of the subject
Question 6 – List:
( ) piruá
( ) Water
( ) genetic
Question 7 – In the excerpt “Every corn grain has three parts: the embryo, where the genetic material is located, the endocarp and the pericarp, composed mainly of starch and water.”, the two points were used to:
a) indicate an enumeration
b) introduce an explanation
c) present an example
d) flag a citation
By Denyse Lage Fonseca – Graduated in Languages and specialist in distance education.
At answers are in the link above the header.
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