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2B40.u3 - Ball in Oil and Water

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​2B40.u3 - Ball in Oil and Water

Preview
SelectSelected
Title2B40.u3 - Ball in Oil and Water
Objective

Demonstrate density of fluids.​

StatusAvailable
Assembly Instructions

 

Instructions:  Fill a beaker of water about 2/3rds full of lightly dyed water.  Fill a small beaker (~250mL) with oil.  Set the beaker of water on a block in front of a blocking plate and position the camera so you can see the entire beaker.​

 

Setup Time7
Operation Time2
Preview Time3
Operation Instructions

Instructions:  Drop the bouncy ball into the beaker of water.  Observe that the ball floats.  Ask the students what will happen when oil is poured over the ball.  Much to their surprise, the oil does not cover the ball, but rather the ball rises up and floats in the oil, above the water. ​

ExportableYes
Demo on DimeNo
PIRA 200No
Export Instructions (if different)
HazardsNone
Analysis/Information
Category2 Fluid Mechanics
Subcategory2B - Statics of Fluids
KeywordsBuoyancy, density, ball in oil, ball, oil, water, ball in water
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
bouncy ball
1
beaker 1000 mL tall glass
1
water - from the tap
oil - vegetable
blocking plate
1
dye - red
camera - b&w
1