UNIT XIII: Acids & Bases
Acids, Bases, and Neutralization Reactions
May 5th A-Day ONLY
May 8th Bday 9th A-day
May 10th B-Day and May 11th A-Day
May 12th B-Day and 15th A-Day
May 16th B-Day and 17th A-Day
Tie-Dye Lab Supplies:
On the day of the Tie-Dye Lab
students are assigned to bring:
TURN IN Tie DYE Worksheet
** 3 plastic grocery bags
** 3 pieces of corrugated cardboard*
(About 8" x 10" for spiders & spirals, approximately 30" x 8" for stripes, fans, and bullseyes.)
**A white 100% cotton t-shirt (Yes, it can have a logo screened on it (like a Spirit t-shirt) if you don't want to find a blank shirt.
That's 3 pieces of corrugated cardboard. Cut up a box and bring the pieces-- do NOT bring a box to class!
I already forgot the instructions I got in class. How do I wash my shirt??
- Make sure the washer is empty.
- Cut the bags & ties off-- touch the shirt as little as possible-- the dye is still active!
- Squirt some (1-2 Tbsp) liquid dish soap (the kind you use in the kitchen sink on pots & pans) DIRECTLY into the machine. (NOT into a dispenser!!) Liquid dish soap (for the sink, not the dishwasher) is essential to the washout-process. It contains a chemical that deactivates the dye.
- Run on WARM as a MEDIUM* load. (If you have a top-loader that gives you the option of starting the water and adding the dish soap before you put the shirt in, that is a fabulous idea.)
- Squirt another dose of liquid dish soap. Run again on warm/medium.*
- If you & your mom are nervous, run it one more time as a rinse.
- Dry normally. Wear proudly. Tell people you have mad chemistry skills.