Video Library: Labs and Demos

Year 1 Camps

Introduction

• • Oobleck

  • Materials ID lab

Crystals

• • Sulfur lab

  • Growing single crystals – copper sulfate

  • Sodium acetate (instant crystals & hot packs)

  • Phenyl salicylate

  • Silver nitrate on copper wire

  • Crystal models

  • Chalk demo or ice stick trays demo

  • Crying Tin

  • Iron Wire Demo

Properties

• • Work-hardening copper

  • Heat-treating steel and copper

  • Ball and Ring

  • Bimetallic strip

  • Piston and sleeve

  • Elasticity/plasticity demo (ex. rubber & clay)

  • Toughness demo

Metals

• • Nitinol

  • Cost of a penny

  • Brassing a penny

  • Rolling a penny

  • Drawing wire

  • Binary phase diagrams (Pb/Sn or Bi/Sn)

  • Melt and pour tin into angle aluminum

Extra: Sinker Mold

Sand Casting

Metallic Glass vs. Stainless Steel

Cold Welding

Corrosion

• Copper sheet and torch

• Flameless ration heaters

• #1 – hydrogen peroxide and steel wool

• #2 - activity series

• #3 – fruit juice

• #4 – pop can and solutions (pH)

• #5 – tarnished silver

• #6 – nailed to copper

• Aluminum pop can and acid

Ceramics/Glass

• • Rate of heat transfer (Al vs. Al2O3)

  • Aluminum wire demo

  • Lantern mantle

  • Light bulbs

  • Thermal shock (3 glass rods)

  • Glass the conductor (optional)

  • Space shuttle tile (if available)

  • Fiber optic glass bend

  • Glass bubble

  • Glass bead on a wire (borax)

  • Extra: Tempered Glass Breaking

Polymers

• • Water lock

  • Instant snow

  • HDPE powder

  • Gel crystals/spheres and grow beasts

  • Beaded chain

  • Packaging peanut demo

  • Addition polymerization – hand-holding simulation

  • Aligning chains - garbage bag and newspaper strips

  • Nylon demo – condensation polymerization

  • Happy/sad balls

  • Slime lab and gak

  • Heat gun and HDPE jug

  • Polarizing film and stress

  • Latex ball

  • Expandable polyurethane foam – Rigid

  • Expandable polyurethane foam – Flexible

  • Expanded PS beads – FB molds and PP pill bottles

  • Eurocast clips

  • Shrink to fit plastics (shrinky-dinks)

  • Polydensity tubes

Composites

• • Ice hockey puck lab

  • Cement pucks

  • PS beam and tape

  • Frozen towel

Extra: Hex Cell

Raku

• Painting

• Firing