Rileys Freaky Fridays

Well:
That bright yellow you got from the Sodium is what you see in streetlamps. (Sodium vapor).
Barium & Strontium are popular for colored fireworks.

If you want to check if your water has a large amount of an element you can burn it I guess.

Strontium and others are used to get the colors i fire works.

If soup is spilled on a gas stove, you see an orange flame- table salt, sodium.

Scientists use a similar method to identify elements in unknown compounds.

Fireplace crystals that are used to clean chimneys contain these salts for color.

You should have used copper chloride also, it gives a pretty blue-green.