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Lab # 21.00   Chapter 21 Demos

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Tire Pressure Guage     PX-2144    
 
 
Tire pressure guage calibrated for accurate readings.  More Info
           
$3.50
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Ball and Ring Apparatus     33-0630    
 
 
This brass ball fits easily through the matching ring when they are both at room temperature. Heat the ball in a flame, and it expands so that it no longer fits through. What would happen if you heated the ring instead?  More Info
           
$9.00
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Portable Micro Burner     C5-1005    
 
 
The Portable Micro Burner works anywhere! Just open the butane valve and push the ignition button for an adjustable, clean-burning flame.  More Info
           
$42.00
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Premium Butane Fuel 10oz.     C5-1009    
 
 
Butane fuel refill for the Micro Burner and Laboratory Hot Plate  More Info
           
$5.95
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Compound Bar     P6-7070    
 
 
Thin strips of two different metals are laminated together in this simple demonstration, also known as a Bimetallic Strip. Heat the bar and see it bend.  More Info
           
$5.95
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Solar Bag     P6-7300    
 
 
You'll get "carried away" by this bag! Use the Solar Bag to demonstrate concepts of energy, thermodynamics, density, and buoyancy!  More Info
           
$19.00
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