Reading - Part 1
Exercise 22: Polymers
Read the text. Fill in each gap with ONE word.
(The word must come from somewhere else in the text.)
Polymers
Polymers are an important part of our world. They make up products such as our food, our clothes,
and even our money!
(1)
are large molecules that are long chains of repeating units. Polymers can be synthetic, which means
humans made them. One of the most
(2)
polymers is plastic.
(3)
is so common because it is strong and can be made into all kinds of useful
(4),
from car parts to milk containers.
Polymers are such an important part of the way we make things now and will be in the future. That
means how we design them is also
(5).
As we throw things away, we need to be aware that they might damage the
(6).
Or when they do, they might negatively impact our world. That is why making polymers is so
important.