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2B40.59 - Density Ball

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​2B40.59 - Density Ball

Preview
SelectSelected
Title2B40.59 - Density Ball
Objective

Show how density changes with temperature.​

StatusAvailable
Assembly Instructions

Overview: Use a low flame Bunsen burner to keep a beaker of water hot, use ice in the other beaker of water.

 
Instructions:  The density of water changes with temperature. The density of the density ball is such that it will float in cool (15 °C) water, but will sink in warm (20 °C) water. You may also take cool water and heat it with a Bunsen burner and watch the density ball sink.
​

Setup Time15
Operation Time5
Preview Time5
Operation Instructions

Instructions:  When ready to show the idea, place density ball in cool water and observe it float.  Then place density ball in hot water and observe it sink OR place the cool water beaker on a Bunsen burner and observe as the density ball sinks as the water heats up.​

 

ExportableNo
Demo on DimeNo
PIRA 200No
Export Instructions (if different)
HazardsNone
Analysis/Information
Category2 Fluid Mechanics
Subcategory2B - Statics of Fluids
KeywordsWater, beaker, density changes, temperature, ball
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
water - from the tap
bunsen burner
1
ice
density balls - steel with hook for string
2
beaker 2000 mL glass
2
density balls - copper
2
beaker 1000 mL tall glass
2