Spoon Pen

 Purpose

To demonstrate a mineral streak.

Materials

• Porcelain tile (use back of tile)
• metal spoon
• aluminum can

Procedure

1. rub the spoon handle across back of the tile.
2. write your name with the spoon
3. rub the aluminum can on the porcelain tile and compare

Results

• the spoon makes  a dark grey mark.
• the can makes a silvery mark
• the spoon is stainless steel.

What I Learned:
A streak test is used by rubbing a metal on to porcelain.

What else can this be applied to:
There are many other things this can be applied to but here are two: welding and finding out what metal you have.