diff --git a/js/buoyancy/view/BuoyancyLabScreenView.ts b/js/buoyancy/view/BuoyancyLabScreenView.ts
index 118fb5ac..418af661 100644
--- a/js/buoyancy/view/BuoyancyLabScreenView.ts
+++ b/js/buoyancy/view/BuoyancyLabScreenView.ts
@@ -24,7 +24,7 @@ import DensityAccordionBox from './DensityAccordionBox.js';
 import BuoyancyDisplayOptionsNode from '../../common/view/BuoyancyDisplayOptionsNode.js';
 import BlockControlNode from '../../common/view/BlockControlNode.js';
 import MultiSectionPanelsNode from '../../common/view/MultiSectionPanelsNode.js';
-import FluidDisplacedPanel from './FluidDisplacedPanel.js';
+import FluidDisplacedAccordionBox from './FluidDisplacedAccordionBox.js';
 import SubmergedAccordionBox from './SubmergedAccordionBox.js';
 import DensityBuoyancyCommonStrings from '../../DensityBuoyancyCommonStrings.js';
 import ThreeUtils from '../../../../mobius/js/ThreeUtils.js';
@@ -55,7 +55,7 @@ export default class BuoyancyLabScreenView extends DensityBuoyancyScreenView<Buo
     // In liters
     const maxBlockVolume = 10;
 
-    const fluidDisplacedAccordionBox = new FluidDisplacedPanel( this.waterLevelVolumeProperty,
+    const fluidDisplacedAccordionBox = new FluidDisplacedAccordionBox( this.waterLevelVolumeProperty,
       maxBlockVolume,
       model.liquidMaterialProperty,
       model.gravityProperty , {
diff --git a/js/buoyancy/view/FluidDisplacedPanel.ts b/js/buoyancy/view/FluidDisplacedAccordionBox.ts
similarity index 96%
rename from js/buoyancy/view/FluidDisplacedPanel.ts
rename to js/buoyancy/view/FluidDisplacedAccordionBox.ts
index 85bff7a1..2979b971 100644
--- a/js/buoyancy/view/FluidDisplacedPanel.ts
+++ b/js/buoyancy/view/FluidDisplacedAccordionBox.ts
@@ -39,7 +39,7 @@ const CONTENT_WIDTH = 105;
 // Beaker expects a range between 0 (empty) and 1 (full)
 const BEAKER_RANGE = new Range( 0, 1 );
 
-export default class FluidDisplacedPanel extends AccordionBox {
+export default class FluidDisplacedAccordionBox extends AccordionBox {
 
   public constructor( poolVolumeProperty: TReadOnlyProperty<number>,
                       maxBeakerVolume: number,
@@ -87,7 +87,7 @@ export default class FluidDisplacedPanel extends AccordionBox {
 
     const beakerNode = new BeakerNode( beakerVolumeProperty, combineOptions<BeakerNodeOptions>( {
       solutionFill: solutionFillProperty
-    }, FluidDisplacedPanel.getBeakerOptions() ) );
+    }, FluidDisplacedAccordionBox.getBeakerOptions() ) );
 
     displayedDisplacedVolumeProperty.link( displayedLiters => {
       beakerVolumeProperty.value = displayedLiters / maxBeakerVolume;
@@ -192,7 +192,7 @@ export default class FluidDisplacedPanel extends AccordionBox {
       range: BEAKER_RANGE.copy()
     } ), combineOptions<BeakerNodeOptions>( {
       solutionFill: Material.WATER.liquidColor
-    }, FluidDisplacedPanel.getBeakerOptions() ) );
+    }, FluidDisplacedAccordionBox.getBeakerOptions() ) );
 
     scaleIcon.top = beakerNode.bottom - 30;
     scaleIcon.centerX = beakerNode.centerX;
@@ -205,4 +205,4 @@ export default class FluidDisplacedPanel extends AccordionBox {
   }
 }
 
-densityBuoyancyCommon.register( 'FluidDisplacedPanel', FluidDisplacedPanel );
\ No newline at end of file
+densityBuoyancyCommon.register( 'FluidDisplacedAccordionBox', FluidDisplacedAccordionBox );
\ No newline at end of file