Vernier Software & Technology

# Air Ball!

## Introduction

Do you ever wonder how the National Basketball Association (NBA) decides how much air should be in the basketballs used during a game? The NBA measures the pressure inside the ball in units of pounds per square inch, or psi. In this activity, you will experiment with the amount of air in a basketball, but you will use the units scientists use to measure pressure called kilopascals, or kPa. We will vary the amount of pressure in the ball, then use Go!Motion to measure how high the ball bounces.

## Objectives

In this activity, you will

• Record what happens to the bounce height of a basketball as you vary the pressure of the air inside it.
• Draw conclusions based on your data.

## Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

### Option 2

You may also need an interface and software for data collection. What do I need for data collection?

## Elementary Science with Vernier

See other experiments from the lab book.

 1 Learning to Use Go!Temp 2 How Do Mittens Keep You Warm? 3 Baggie Mittens 4 The Sole Purpose 5 Cool Reaction! 6 Cold as Ice 7 Are We Cool or What? 8 Why Do We Need Thermometers? 9 Celsius or Fahrenheit. What's the Difference? 10 Getting it Just Right! 11 The Temperature Probe Spends the Night 12 Hold Everything! Comparing Insulators 13 Keepin' it Cool! Design Your Own Thermos 14 I'm Melting! Water Changes States 15 Solid, Liquid, Gas: Water Can Do it All! 16 Learning to Use the Pressure Sensor 17 Get a Grip! 18 Under Pressure 19 Bubbles in Your Bread 20 Learning to Use Go! Motion 21 e-Motion 22 Batty About Science 23 Spring into Action! 24 Air Ball! 25 Driving with Energy 26 Weigh Station - All Trucks Stop! 27 Learning to Use the Force Sensor 28 Lift the Load 29 What a Drag! 30 Oh! My Aching Back! How Ramps Make Lifting Easier 31 Learning to Use the Light Probe 32 Distance From the Sun 33 Summer and Winter 34 Sunshine on My Shoulders 35 Reflectivity of Light 36 Learning to Use the Magnetic Field Sensor 37 Exploring the Poles 38 Making Magnets 39 Electromagnets 40 Learning to Use the Voltage Probe 41 Are All Batteries the Same? 42 Stacked Batteries 43 All Worn Out! P1 Weather Stations

### Experiment 24 from Elementary Science with Vernier Lab Book

#### Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.