Piston

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/piston

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the core mechanism?Linear actuator that converts fluid pressure into mechanical force or vice versa
2. What is the modern applications?Automotive engines, industrial machinery, hydraulic systems, pneumatic systems, power generation, pumps, compressors
3. How does a piston help a car move?When a car’s engine burns fuel, the expanding gases push the piston down. That downward push turns a crankshaft, which makes the car’s wheels turn.
4. Why do pistons need rings?Piston rings keep the gas inside the cylinder tight, so the pressure can build up and push the piston instead of leaking out.

Reciprocating Engine: An engine that uses pistons moving back and forth to generate power.
Hydraulic Cylinder: A mechanical actuator that uses pressurized liquid to move a piston.
Pneumatic Cylinder: A mechanical actuator that uses compressed air to move a piston.