How Steamboats Changed River Travel
Before engines powered boats, traveling upstream could be exhausting. A river’s current pushed against a boat, and crews sometimes had to pull it from the shore with ropes. Then steamboats offered another way to move against the flow. They used steam power to turn wheels or propellers, carrying people and goods along rivers in both directions.
From heat to motion
A steamboat needed fuel, water, and machinery to move. Workers burned wood or coal in a furnace to heat water inside a large metal container called a boiler. As the water boiled, it turned into steam. The steam built up pressure, which pushed a part called a piston back and forth inside a cylinder.
The piston’s motion turned other machinery connected to a paddle wheel or propeller. A paddle wheel’s broad blades pushed against the water, helping move the boat forward. Some steamboats had a large wheel at the back, while others had a wheel on each side. Unlike a sailboat, a steamboat did not have to wait for a helpful wind.
Rivers become busy highways
- current:
- The steady flow of water in a particular direction.
- pressure:
- A force pushing against something.
- manufactured:
- Made from materials, often using machines.
- cargo:
- Goods carried by a boat or other vehicle.
- hull:
- The main body of a boat.
- maintained:
- Kept in good working condition through care and repairs.
- flammable:
- Able to catch fire easily.
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Preview questions from this passageShowHide
- 1Why was traveling upstream difficult before boats had engines?
- 2How did heat eventually make a steamboat move?
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About this explanatory article passage for Upper Elementary
“How Steamboats Changed River Travel” is a explanatory article reading passage about Steamboat Transportation, written for Upper Elementary. It takes about 4 minutes to read (528 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.