Thermite

Materials

Ringstand with Iron Ring to hold the Clay Pots

Large Metal tray filled with sand

2 Clay Pots

Small Piece of Filter Paper (to fit into the bottom of a clay pot)

Propane Torch

Crucible Tongs

Magnesium Ribbon (shaped into a fuse)

Bottle of 35g Ferric Oxide Powder mixed with 12g Aluminum Powder

Fireproof Pad Covering Demonstration Area

Safety Shield (or Demo Cart Fitted with a Shield)

Gloves and Goggles

In a bottle mix the ferric oxide powder with the Al powder.
Get 2 red clay flower pots, one inside the other. Put a piece of filter paper at the bottom of the pot, pour thermite mix into the pot.
Put the pots on a ring stand behind a safety shield. Also have a large sand bath placed below the pots in order to catch the liquid metal when it drops through the pots.
Insert Mg fuse, light fuse with a propane torch, step back and watch the show.
Using the Crucible Tongs pick up the metal to show the class.

Fe₂O₃(s) + 2Al(s) --> Al₂O₃(s) + 2Fe(s)

dH = -849 kJ/mole