diff --git a/js/common/model/CAVModel.ts b/js/common/model/CAVModel.ts
index 358fbb32..7c9c5244 100644
--- a/js/common/model/CAVModel.ts
+++ b/js/common/model/CAVModel.ts
@@ -43,8 +43,8 @@ export type CAVModelOptions = SelfOptions;
 const TIME_BETWEEN_RAPID_KICKS = 0.5; // in seconds
 
 export default class CAVModel implements TModel {
-  public readonly soccerBallGroup: CAVObject[];
-  public readonly soccerBallGroupCountProperty: NumberProperty;
+  public readonly soccerBalls: CAVObject[];
+  public readonly soccerBallCountProperty: NumberProperty;
 
   public readonly isShowingTopMeanProperty: BooleanProperty;
   public readonly isShowingTopMedianProperty: BooleanProperty;
@@ -92,12 +92,11 @@ export default class CAVModel implements TModel {
 
     const updateDataMeasures = () => this.updateDataMeasures();
 
-    // TODO: Rename to soccerBalls
-    this.soccerBallGroupCountProperty = new NumberProperty( 0, {
+    this.soccerBallCountProperty = new NumberProperty( 0, {
       range: new Range( 0, this.maxNumberOfObjects )
     } );
 
-    this.soccerBallGroup = _.range( 0, this.maxNumberOfObjects ).map( index => {
+    this.soccerBalls = _.range( 0, this.maxNumberOfObjects ).map( index => {
 
       const y0 = CAVObjectType.SOCCER_BALL.radius;
       const position = new Vector2( 0, y0 );
@@ -142,9 +141,9 @@ export default class CAVModel implements TModel {
       return soccerBall;
     } );
 
-    this.soccerBallGroup.forEach( soccerBall => {
+    this.soccerBalls.forEach( soccerBall => {
       soccerBall.isActiveProperty.link( isActive => {
-        this.soccerBallGroupCountProperty.value = this.getActiveSoccerBalls().length;
+        this.soccerBallCountProperty.value = this.getActiveSoccerBalls().length;
       } );
     } );
 
@@ -214,8 +213,8 @@ export default class CAVModel implements TModel {
 
     this.numberOfUnkickedBallsProperty = DerivedProperty.deriveAny( [
       this.numberOfScheduledSoccerBallsToKickProperty,
-      ...this.soccerBallGroup.map( soccerBall => soccerBall.valueProperty ),
-      ...this.soccerBallGroup.map( soccerBall => soccerBall.animationModeProperty ) ], () => {
+      ...this.soccerBalls.map( soccerBall => soccerBall.valueProperty ),
+      ...this.soccerBalls.map( soccerBall => soccerBall.animationModeProperty ) ], () => {
 
       const kickedSoccerBalls = this.getActiveSoccerBalls().filter(
         soccerBall => soccerBall.valueProperty.value !== null ||
@@ -257,7 +256,7 @@ export default class CAVModel implements TModel {
       } );
     } );
 
-    this.soccerBallGroup.forEach( soccerBall => {
+    this.soccerBalls.forEach( soccerBall => {
       soccerBall.valueProperty.link( updateDataMeasures );
       soccerBall.positionProperty.link( updateDataMeasures );
     } );
@@ -272,7 +271,7 @@ export default class CAVModel implements TModel {
     const sortedObjects = this.getSortedLandedObjects();
     const medianObjects = CAVModel.getMedianObjectsFromSortedArray( sortedObjects );
 
-    this.soccerBallGroup.forEach( object => {
+    this.soccerBalls.forEach( object => {
       object.isMedianObjectProperty.value = medianObjects.includes( object );
     } );
 
@@ -302,7 +301,7 @@ export default class CAVModel implements TModel {
    * Returns all other objects at the target position of the provided object.
    */
   public getOtherObjectsAtTarget( cavObject: CAVObject ): CAVObject[] {
-    return this.soccerBallGroup.filter( ( o: CAVObject ) => {
+    return this.soccerBalls.filter( ( o: CAVObject ) => {
       return o.valueProperty.value === cavObject.valueProperty.value && cavObject !== o;
     } );
   }
@@ -335,7 +334,7 @@ export default class CAVModel implements TModel {
     this.timeWhenLastBallWasKickedProperty.reset();
 
     this.soccerPlayers.forEach( soccerPlayer => soccerPlayer.reset() );
-    this.soccerBallGroup.forEach( soccerBall => soccerBall.reset() );
+    this.soccerBalls.forEach( soccerBall => soccerBall.reset() );
     this.getNextBallFromPool();
 
     this.activeKickerIndexProperty.reset();
@@ -405,7 +404,7 @@ export default class CAVModel implements TModel {
         const elapsedTime = this.timeProperty.value - frontPlayer.timestampWhenPoisedBegan!;
         if ( elapsedTime > 0.075 ) {
 
-          const soccerBall = this.soccerBallGroup.find( soccerBall =>
+          const soccerBall = this.soccerBalls.find( soccerBall =>
             soccerBall.valueProperty.value === null &&
             soccerBall.isActiveProperty.value &&
             soccerBall.animationModeProperty.value === AnimationMode.NONE
@@ -464,7 +463,7 @@ export default class CAVModel implements TModel {
   }
 
   public getActiveSoccerBalls(): CAVObject[] {
-    return this.soccerBallGroup.filter( soccerBall => soccerBall.isActiveProperty.value );
+    return this.soccerBalls.filter( soccerBall => soccerBall.isActiveProperty.value );
   }
 
   /**
@@ -556,7 +555,7 @@ export default class CAVModel implements TModel {
   }
 
   private getNextBallFromPool(): CAVObject | null {
-    const nextBallFromPool = this.soccerBallGroup.find( ball => !ball.isActiveProperty.value ) || null;
+    const nextBallFromPool = this.soccerBalls.find( ball => !ball.isActiveProperty.value ) || null;
     if ( nextBallFromPool ) {
       nextBallFromPool.isActiveProperty.value = true;
     }
diff --git a/js/common/view/CAVPlotNode.ts b/js/common/view/CAVPlotNode.ts
index 4afd9639..8d953419 100644
--- a/js/common/view/CAVPlotNode.ts
+++ b/js/common/view/CAVPlotNode.ts
@@ -83,7 +83,7 @@ export default class CAVPlotNode extends Node {
 
     // TODO: This overlaps with draggingEnabled
     const dotPlotObjectNodesDraggableProperty = new BooleanProperty( false );
-    model.soccerBallGroup.forEach( ( soccerBall, index ) => {
+    model.soccerBalls.forEach( ( soccerBall, index ) => {
 
       // TODO: This should be new DataPointNode
       const dotNode = new CAVObjectNode( soccerBall, model.isShowingTopMedianProperty, modelViewTransform, dotPlotObjectNodesDraggableProperty, {
diff --git a/js/common/view/CAVScreenView.ts b/js/common/view/CAVScreenView.ts
index 2f0769ca..6db2f8a4 100644
--- a/js/common/view/CAVScreenView.ts
+++ b/js/common/view/CAVScreenView.ts
@@ -91,10 +91,10 @@ export default class CAVScreenView extends ScreenView {
       tandem: objectNodeGroupTandem.createTandem( 'inputEnabledProperty' )
     } );
 
-    model.soccerBallGroup.map( ( soccerBall, index ) => {
+    model.soccerBalls.map( ( soccerBall, index ) => {
       const soccerBallNode = new CAVObjectNode( soccerBall, model.isShowingPlayAreaMedianProperty, modelViewTransform, objectNodesInputEnabledProperty, {
         fill: null, // Only depict as a soccer ball
-        tandem: options.tandem.createTandem( 'soccerBallGroup' ).createTandem( 'soccerBallNode' + index )
+        tandem: options.tandem.createTandem( 'soccerBalls' ).createTandem( 'soccerBallNode' + index )
       } );
 
       this.backObjectLayer.addChild( soccerBallNode );
@@ -117,9 +117,9 @@ export default class CAVScreenView extends ScreenView {
 
             // add the dragIndicatorArrowNode above the last object when it is added to the play area. if an object was
             // moved before this happens, don't show the dragIndicatorArrowNode
-            if ( model.soccerBallGroupCountProperty.value === this.model.physicalRange.max &&
+            if ( model.soccerBallCountProperty.value === this.model.physicalRange.max &&
                  objectNodesInputEnabledProperty.value &&
-                 _.every( model.soccerBallGroup, cavObject => cavObject.valueProperty.value !== null ) &&
+                 _.every( model.soccerBalls, cavObject => cavObject.valueProperty.value !== null ) &&
                  !objectHasBeenDragged ) {
               dragIndicatorArrowNode.centerX = this.modelViewTransform.modelToViewX( value );
 
@@ -165,7 +165,7 @@ export default class CAVScreenView extends ScreenView {
       if ( visible ) {
 
         // if there is a ball at that location, go above the ball
-        const ballsAtLocation = model.soccerBallGroup.filter( cavObject => cavObject.valueProperty.value === medianValue );
+        const ballsAtLocation = model.soccerBalls.filter( cavObject => cavObject.valueProperty.value === medianValue );
         const modelHeight = ballsAtLocation.length * CAVObjectType.SOCCER_BALL.radius * 2; // assumes no spacing
 
         const viewHeight = this.modelViewTransform.modelToViewDeltaY( modelHeight );
diff --git a/js/mean-and-median/model/MeanAndMedianModel.ts b/js/mean-and-median/model/MeanAndMedianModel.ts
index 5b155e16..b933efc2 100644
--- a/js/mean-and-median/model/MeanAndMedianModel.ts
+++ b/js/mean-and-median/model/MeanAndMedianModel.ts
@@ -63,7 +63,7 @@ export default class MeanAndMedianModel extends CAVModel {
 
   private clearAnimation(): void {
     this.highlightAnimationIndex = null;
-    this.soccerBallGroup.forEach( cavObject => cavObject.isShowingAnimationHighlightProperty.set( false ) );
+    this.soccerBalls.forEach( cavObject => cavObject.isShowingAnimationHighlightProperty.set( false ) );
   }
 
   private updateAnimation(): void {
diff --git a/js/mean-and-median/view/MedianPlotNode.ts b/js/mean-and-median/view/MedianPlotNode.ts
index 7b18d783..435f41fb 100644
--- a/js/mean-and-median/view/MedianPlotNode.ts
+++ b/js/mean-and-median/view/MedianPlotNode.ts
@@ -34,6 +34,7 @@ export default class MedianPlotNode extends CAVPlotNode {
       ...providedOptions
     } );
 
+    // TODO: Dead code
     // const checkboxGroup = new TopRepresentationCheckboxGroup( model, {
     //   medianBarIconOptions: {
     //     notchDirection: 'down',
diff --git a/js/median/model/MedianModel.ts b/js/median/model/MedianModel.ts
index f60503ba..91af23bc 100644
--- a/js/median/model/MedianModel.ts
+++ b/js/median/model/MedianModel.ts
@@ -19,7 +19,7 @@ export default class MedianModel extends CAVModel {
 
   public constructor( options: CAVModelOptions ) {
     super( options );
-    this.cards = this.soccerBallGroup.map( ( soccerBall, index ) => new CardModel( soccerBall, {
+    this.cards = this.soccerBalls.map( ( soccerBall, index ) => new CardModel( soccerBall, {
       tandem: options.tandem.createTandem( 'cards' ).createTandem( 'card' + index )
     } ) );