Storytown Grade 2 Lesson 24

Transcription

Storytown Grade 2 Lesson 24
Contents
Use Graphic Aids
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Learn to use graphic aids to help you understand
what you read.
Vocabulary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Read, write, and learn the meanings of new words.
Watching in the Wild by Charnan Simon
. . . . . . . . . . . . 284
• Learn the features of nonfiction.
• Summarize a selection to understand the main ideas.
Chimp Computer Whiz from Ask . . . . . . . . . . . . . . . . 298
Read about chimpanzees that use a computer.
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
• Compare texts.
• Review phonics skills.
• Reread for fluency.
• Write about an event.
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Non f ic
t ion
M a g a zine A r t icle
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Use Graphic Aids
Nonfiction often uses graphic aids to help explain
information quickly. Some examples of graphic aids are
diagrams, charts, maps, and graphs.
Diagram of a Plant
• A diagram is a drawing with
labels. It shows the parts of
something or how something
works.
• A chart has rows, columns,
and headings.
• A map is a picture that shows
where places are.
flower
stem
leaves
• A graph is a drawing that
gives information about the
amounts of things.
roots
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Read the passage. Look at the diagram. Tell which
information in the passage is made clear in the
diagram.
ear
A chimpanzee spends much
of its time in trees. Its thumbs
and big toes help it grab things.
Its long arms are useful for
swinging through trees. When
a chimpanzee walks, it usually
leans on its knuckles and walks
on all fours.
www.harcourtschool.com/storytown
arm
thumb
leg
knuckles
big toe
foot
Try This
Look back at the diagram. What does it explain?
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Build Robust Vocabulary
Zoe’s Photos
blended
cradled
raggedy
personalities
distance
crumpled
Zoe wanted to take pictures of
deer, but often it was hard to see
them. The deer blended in with
the trees around them. Zoe and
her dad found a good place to
watch for deer.
While they waited for the
deer to appear, Zoe cradled her
camera in her lap. When they
came, she took lots of pictures.
Zoe gave the deer names.
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Zoe named one deer Rags.
He was shedding his thick
fur and looked raggedy . Zoe
named other deer by their
personalities . She named a
curious deer Nosy. One deer
reminded Zoe of her shy
cousin. Zoe named him
Bashful. He always stayed at a distance .
After an hour of watching deer, Zoe
and her dad stood up. Their clothes were
all crumpled . Zoe wondered what the
deer would name her and her dad!
www.harcourtschool.com/storytown
Word Detective
Where else can you find the
Vocabulary Words? Look on
billboards and signs around town.
Listen to announcements and songs. When
you see or hear one of the words, write it in
your vocabulary journal and tell where you
found it.
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Non f ic t ion
Genre Study
Nonfiction gives information
about the world. Look for
• headings that tell what
each section is about.
• graphic aids such as time
lines.
Comprehension
Strategy
Summarize a selection to
understand the main ideas.
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Watching
in the Wild
by
Charnan Simon
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Jane Goodall knows how to watch. For more than
40 years, she has watched a group of chimpanzees in
Gombe National Park in Africa. What she has seen
has changed the way scientists think about animals—
and people.
Travels to Africa
Jane was 26 years old when she first went
to Gombe. It was 1960, and no one had ever
studied chimpanzees in the wild. Jane’s plan was
simple. She would travel to Africa and find some
chimpanzees. Then she would sit quietly and
watch them go about their lives.
Jane Goodall
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Gombe
National
Park
Watching and Learning
When she arrived at Gombe, Jane could
hear chimpanzees calling to each other across
the valleys. She found half-eaten fruits under
trees where they had fed. But she didn’t see
the chimpanzees themselves. They were shy!
Whenever Jane came close, they ran away.
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Chimpanzees
Jane was discouraged. But she didn’t give up.
If the chimpanzees didn’t want her to come close,
she would watch them from a distance. Every day
she woke up before dawn. She put on clothes that
blended in with the jungle and climbed to the top
of a high, rocky ledge. Using binoculars, she sat and
looked at chimpanzees—hour after hour after hour.
Other people might have been bored. Not Jane!
She loved watching the chimpanzees feeding in
fig trees and drinking from streams.
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She saw how they greeted each other with
hugs and kisses. She smiled at the baby chimps
who perched on their mothers’ backs or sat
cradled in their laps.
Jane took notes on everything she saw.
She wrote about how, at night, each chimp
made a cozy nest high in the treetops. Jane
watched the chimps bend branches and
tuck in smaller twigs. She saw mothers
curl up with their babies and then sit back
up to make a pillow from a handful of
leaves. When the chimps left their nests
in the morning, Jane climbed up to
try them out for herself!
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Making New Friends
Slowly, the chimpanzees became
used to Jane. They let her come closer
and closer. Jane began naming the
chimps she recognized. David Greybeard
had a silvery beard and a calm manner.
Old Flo was ugly, with a big nose and
raggedy ears—but she was a wonderful
mother. Mr. McGregor reminded Jane of
the gardener in The Tale of Peter Rabbit.
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A chimpanzee
and her baby
A chimpanzee
and her baby
At the time, scientists thought that animals
being studied should be given numbers, not
names. But Jane didn’t agree. She saw that the
chimpanzees had real personalities. It made sense
to give them real names. Today, many scientists
name the animals they study in the wild.
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Observing Tool Use
One day Jane saw something really exciting.
David Greybeard was sitting by a red-earth
termite mound. He poked a long grass stem into
a hole in the mound. Then he pulled the stem out
and ate the crunchy termites that clung to it.
Flo fishes for
termites while her
young son watches
and learns.
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Jane was amazed. David Greybeard was
using the grass stem as a tool! Until then, scientists
thought that only people used tools. Jane saw the
chimps using other tools, too. Once, a big brother
chimp grabbed a handful of leaves to wipe his little
brother’s messy nose. Many times, chimps used
crumpled leaves as sponges to soak up water to
drink from hollow logs.
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Jane Goodall’s Time Line
1930
1940
1934
Jane is born.
1950
1960
1942
Jane is given a book
about a doctor who
goes to Africa to
help monkeys.
1960
Jane arrives
in Gombe,
Africa.
1961
Jane first
sees chimps
using tools.
Telling Her Story
Over the next 40 years, Jane wrote
books about her exciting discoveries. She
learned that chimpanzees live in close family
groups and make friendships that last a lifetime.
They hunt, and they teach their children. They
can be happy or sad, angry or afraid.
And it all started with one woman who knew
how to sit quietly —and watch carefully.
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1970
1980
1977
Jane founds the
Jane Goodall
Institute, which
helps protect
chimps and the
forests.
1990
1986
Jane begins
to tell people
around the
world about
the needs of
chimps.
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Think Critically
1 In what year did Jane Goodall discover that
chimpanzees use tools?
GRAPHIC AIDS
2 Why did Jane Goodall not see the chimpanzees
when she first arrived at Gombe?
CAUSE/EFFECT
3 Why was Jane Goodall amazed when she saw
David Greybeard using tools?
IMPORTANT DETAILS
4 Why did the author tell about some of the
chimps’ names and behaviors?
AUTHOR’S PURPOSE
5 WRITE What have other scientists learned
about chimpanzees because of Jane
Goodall? Use details and information from
the selection. EXTENDED RESPONSE
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Meet the Author
Charnan Simon
Charnan Simon loves books. When
she was a young girl, she visited the library
at least once a week.
Charnan Simon has written dozens of
books and articles for children. Her favorite
things to do are reading, writing, and
spending time with her family.
www.harcourtschool.com/storytown
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Science
M a g a zine A r t icle
Chimp
Computer
Whiz
from Ask
Keo never forgets a face.
Keo is a chimpanzee who lives at Lincoln Park Zoo
in Chicago. Five times a week, he sits in front of a special
computer screen. The screen flashes the face of a chimp
he’s never met. When Keo touches the picture of the chimp,
he gets treats. Next, the screen flashes two pictures. One
is of the first chimp, and one is of a new chimp. If Keo
touches the picture of the first chimp, he gets another treat.
Keo plays this game 30 times each day. After months
of practice, he can now run through all 30 new faces in
just a few minutes.
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Two other apes at the zoo, a chimp and a gorilla,
are using computers to learn the numbers 1 to 9.
Working on the computer is voluntary. So far, only three
of the nine apes that have tried it have stayed with it.
Scientists hope that all the apes at the zoo will soon
use computer programs to tell which foods they like best
and which activities they prefer. Watching the apes use
computers should help scientists learn more about how
the animals think.
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Comparing Texts
How are the chimpanzees in “Watching
in the Wild” and “Chimp Computer Whiz”
alike?
What animal would you like to observe?
Tell why.
What other methods can scientists use to
learn about animals?
Phonics
Make a Chart
Write the words hair and care in a
chart. Below each word, write three
more words that have the same
spelling and sound as the underlined
letters. Read your lists to a partner.
hair
care
fair
glare
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Read with a Partner
Read “Watching in the Wild” aloud with a partner. Take
turns reading one page at a time. Work on reading each
sentence at the speed in which you usually speak.
Writing
Write About an Event
Write about important events in
your life. Tell about them in the
order in which they happened.
Use a chart to plan what you will
tell about first, next, and last.
✔
Word Choice
I use a char t to
writing in tim
✔
✔
plan my
e order.
I use words th
at help the
reader picture
what is
happening.
I use words lik
e first, nex t,
and last.
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