The Lewis and Clark Expedition

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The Lewis and Clark Expedition

• Write On
• Grade 4

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Learner Expectation

• Content Standard 5.0
• History involves people, events, and issues.
  Students will evaluate evidence to develop
  comparative and causal analyses, and to interpret
  primary sources. They will construct sound
  historical arguments and perspectives on which
  informed decisions in contemporary life can be
  based.
• 4.5.spi.9. determine the influence Lewis and
  Clark's expedition had on westward expansion.

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In this activity you will

• Learn about the Lewis and Clark expedition in
  which the region from the Mississippi River to
  the Pacific Coast was mapped by these two
  explorers.
• Create a paragraph describing how the information
  from this expedition affected the expansion of
  the United States.

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The Louisiana Purchase

• With the Louisiana Purchase in 1803, settlers now
  were able to move farther west in the United
  States.

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Meriwether Lewis
President Jefferson asked Meriwether Lewis to
lead an expedition to explore the new land.
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The Lewis and Clark Expedition
Lewis picked his good friend, William Clark, to
help him. These men became pathfinders, finding
a way through a strange region by leading the
expedition.
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Corps of Discovery
The expedition began in May 1804. It started in
St. Louis going up the Missouri River. After
traveling many miles, they reached what today is
called North Dakota. Here they built a winter
camp near a Mandan Indian village.
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Shoshone and Sacagawea
A French fur trader was hired by Lewis and Clark,
to translate some Indian languages for them. He
was married to a Shoshone named Sacagawea who
agreed to translate for them.
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Sacagaweas Influence
In the spring of 1805, the expedition
needed horses to cross the Rocky
Mountains. Sacagaweas brother, a Shoshone
chief, gave them horses.
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Building more boats
After crossing the Rocky Mountains, they built
more boats, going down the Snake River, the
Columbia River, and on to the Pacific Ocean.
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Lewis and Clark
After traveling more than 3,000 miles and a
year, they had reached their destination. They
went back to St. Louis, taking with them plants,
seeds, animals and maps showing mountains and
major rivers. Pioneers were able to use these
maps to find their way to the Pacific coast.
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Writing Activity

• Create a paragraph describing how the information
  from this expedition affected the expansion of
  the United States.