Transcript A Natural Force - Open Court Resources.com

A Natural Force
by Laurence Pringle
Level 6, Unit 5, Lesson 4
Powerpoint by C. Harms, jsd 171, Orofino, ID
Until recently, most people thought
that fire destroyed forests and
wildlife that lived in them.
Now, scientists are discovering that
certain types of fires are
beneficial to the forest ecosystem.
Genre: Expository Text:written to
give the reader information
crown
the highest part of anything
Flames leap up the the crowns of trees.
A hat is worn on the highest
part, or the crown, of your
head.
inevitable
cannot be avoided; for certain
You grow older every day.
It is inevitable.
The sun rises every day. It cannot
be avoided. It is inevitable.
adapted
changed to fit new conditions or
surroundings.
Since fires have been a part of forest environments for many thousands
of years, many plants have adapted to survive them.
These chameleons
have adapted to their
surroundings by changing
color to match.
predatory
living by preying on other animals
The wolf and the bobcat are predatory. The live by hunting
other animals to eat.
deciduous
a tree that sheds its
leaves each year
This maple tree is
deciduous. It sheds
its leaves each fall
until spring.
Maple tree in summer
Maple tree in winter
Comprehension Strategies:
Summarizing
To summarize is to locate and
recall important ideas that have
been read. Only the important
ideas (main points) are stated.
Author’s purpose
(Why the Author writes something)
The author’s purpose in a nonfiction
work is usually to inform.
However, an author may have more
than one purpose in writing.
Those purposes are apparent in
different parts of a written work.