Technology - Westward Expansion
Flashcard
•
Social Studies
•
4th Grade
•
Practice Problem
•
Hard
Wayground Content
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9 questions
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1.
FLASHCARD QUESTION
Front
This is an image of . . .
Back
Hydraulic Mine
2.
FLASHCARD QUESTION
Front
This is an image of . . .
Back
Steam Engine
3.
FLASHCARD QUESTION
Front
This image is an example of . . .
Back
Telegraph
4.
FLASHCARD QUESTION
Front
The telegraph was used for which purpose?
Back
It was used to send messages. It used a code of dots and dashes, called Morse code, for sending messages over wires.
5.
FLASHCARD QUESTION
Front
Hydraulic Mining was used for which purpose?
Back
It used the power of water to blast away tons of rocks and gravel when searching for gold.
6.
FLASHCARD QUESTION
Front
The steam engine was used for which purpose?
Back
It uses steam as energy. Allowed people to travel.
7.
FLASHCARD QUESTION
Front
What was the effect of hydraulic mining?
Back
It left the mountains and hills destroyed.
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