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What do ice cream and Rockets have in common?. 212 °F Water Boils 100 °F Hot Summer Day 32 °F Water Freezes -20 °F Winter Day in Logan -238 °F Cryogenic Range -297 °F Oxygen Liquefies -321 °F Nitrogen Liquefies -423 °F Hydrogen Liquefies

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Presentation Transcript
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What do ice cream and

Rockets have in common?


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212 °F Water Boils

100 °F Hot Summer Day

32 °F Water Freezes

-20 °F Winter Day in Logan

-238 °F Cryogenic Range

-297 °F Oxygen Liquefies

-321 °F Nitrogen Liquefies

-423 °F Hydrogen Liquefies

-453 °F Absolute Zero, Electrons in atoms stop moving


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Cryogenic Treatments

  • Strengthening Metal - More wear resistant

    • Saws

    • Knifes

    • Surgical and dental equipment

    • Golf Clubs

    • Cars – engines and brakes

    • Gun Barrels

  • Musical Insturments – Crisper Sound

    • Trumpets

    • Violin Strings

  • Computer Components


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Demonstrations- notes only

  • Begin freezing the banana, racquet ball, and rose at the beginning of the class.

  • Overhead slides

  • Demonstrate bouncing ball and begin freezing balls to give to the girls

  • Punch a pinhole in a ping-pong ball and fill with N2. Drop on floor and watch it propel itself.

  • Show the Argon balloon

  • Smash racquet ball

  • Smash banana

  • Hammer nail with banana

  • Smash the rose as the finale

  • Make ice cream

  • Hand out frozen balls to the girls in Dixie cups


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Recipe

  • 10 cups for a class of 20 girls

    • 5 c. milk

    • 2 c. cream (heavy or whipping)

    • 1 tsp vanilla

    • 1 c. sugar

    • Syrup for topping


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Rachel Newell

Thermal Gloves (3 pairs min)

Insulated bowls (3 tall, 9 short)

N2 dewars (3)

N2 tank (1, from US Welding)

Spigot for N2 tank

Safety goggles (9 pairs min)

Metal Tongs (3 pairs)

Fill balloons with Argon

Overhead slides

Sarah Hiza

Racquet balls (need 18, already have 3)

Wood board & nails (3 boards)

Ping Pong Balls with pin holes (18)

Balloons (18)

Roses (9)

1 metal mixing bowl

Measuring cup

Dawn McCary

Ice Cream ingredients/toppings

Bananas (9)

1 metal mixing bowl

Measuring cup

Ronda Devereaux

Wood spoons (3)

1 metal mixing bowl

Measuring cup

2 projectors and responsible for coordinating laptops

Bouncing balls (180)

Erin Loschen

Plastic Spoons (200)

Plastic Cups (200)

Napkins/Paper Towels (200)

Dixie Cups (180)

School provide

dust pan, broom, slide screen, tile floor

What to bring


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