Make Colorful Crystals from Coal
Topics: Fifth Grade, Science
-
an adult helper
-
measuring spoon
-
liquid blue laundry detergent
-
iodized salt (table salt)
-
small bottle of ammonia
-
small jar
-
plastic picnic spoon or old table spoon
-
8 to 10 charcoal briquettes
-
disposable pie tin
-
food coloring – any colors
-
Measure 2 tablespoons each of liquid blueing, laundry detergent, salt, and ammonia into a small jar. Have an adult helper supervise this mixing. Avoid breathing the ammonia fumes as much as possible. Stir with an old tablespoon or plastic picnic spoon.
-
Place 3 or 4 charcoal briquettes on a disposable pie tin. Add a few drops of food coloring on each briquette.
-
Pour some of the detergent, salt, and ammonia solution over the top of the charcoal pieces. While the crystals are forming, replenish your supply of solution.
-
As you enjoy the beautiful colors and shapes that emerge, repeat the process with 3 or 4 more briquettes.
-
1
- 2










Add your own comment
Have a question?
To share your personal experience or ask advice from our community, please start a discussion