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Pool Table Physics

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format: Interactive (Online), Printable (PDF)
Grades: 3456
Subjects: elareadingscience
Languages: English, Spanish

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What's included

Reading passage

Reading comprehension

Audio narration

With word word highlighting

Comprehension quiz

Auto-graded

Writing activity

Open-ended response

Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

Bilingual support

About this reader

The Pool Table Physics reading passage is a highly engaging educational resource designed for fourth-grade science students. It aligns with the Next Generation Science Standards (NGSS) Disciplinary Core Concept PS3.B: Conservation of Energy and Energy Transfer. The passage uses the familiar example of a game of pool to illustrate complex scientific principles. Students will learn about how a player's arm transfers kinetic energy to a cue stick, which then transfers it to a cue ball, and finally to the other balls on the table. The text also explains how some of this energy is converted into sound and heat, which is why the balls eventually stop moving. The assessment, with multiple-choice questions at DOK Levels 1, 2, and 3, helps teachers evaluate students' comprehension and application of the concepts. This material is an excellent tool for hands-on and conceptual learning.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

Pool Table Physics

A pool table is a perfect place to see science in action. When someone plays pool (billiards), every shot shows important physics ideas. Pool is more than just a game—it’s a real-life laboratory for learning about how things move and interact!

Force is what happens when you use the cue stick to push the cue ball. The harder you hit, the more force you use. This force makes the cue ball start moving. Once the cue ball is rolling, it has kinetic energy—the energy of motion—and momentum, which is the power that keeps it moving in a straight line.

When the cue ball crashes into a target ball, a collision happens. In this collision, energy and momentum transfer from the cue ball to the target ball. If you hit the target ball straight on, the cue ball often stops, and the target ball speeds away, taking most of the energy. If you hit at an angle, both balls move off in different directions, sharing the energy and momentum.

After being hit, the balls roll along the green felt. The felt creates friction, a force that slowly slows the balls down until they stop. Pool tables are softer than wood floors, so balls roll farther before friction stops them.

Pool players can make advanced shots by hitting the cue ball off-center. This gives the ball spin, called ‘English’. Spin changes the direction the cue ball goes after hitting another ball, making the game more challenging. In bank shots, balls bounce off the cushions just like light reflects off a mirror. The angle the ball hits the cushion is the same as the angle it bounces away—this is called reflection!

Pool is also a great way to see momentum conservation. The total momentum before a collision equals the total after. It’s like watching bumper cars, but with balls and a table!

Interesting Fact: The same physics used in pool helps scientists design car safety features and even send rockets into space!

What does the cue stick do?

Pushes the cue ballStops the ballsMakes frictionChanges table color

What is kinetic energy?

Energy of movingEnergy of stoppingEnergy from lightEnergy of sound

What slows the balls down?

FrictionAnglesMomentumReflection

What happens in a collision?

Balls transfer energyBalls become lighterBalls change colorBalls disappear

If cue ball is hit at an angle, what happens?

Both balls move awayBalls stop instantlyBalls bounce highBalls stick together

How does 'English' affect a shot?