1. You will Need:
1. Pencil; Colored Pencils (Red,
Green, Blue – to share)
2. Alien Juice Bar– Bookshelf- 2
pages 3 sides – Please STAPLE
3. Balancing Equations #2– Due
NOW

2. pH = potential Hydron IONS (H+)
1. This scale runs from 0-14
2. Measures the amount of H+ particles
3. Natural Indicators – Things in nature that
change color in the presence of an acid or
base
• In other words, they are sensitive to H+
and OH- particles.
Purple cabbage, apple skin, plums, beets, poppies, cornflowers, and
purple grapes.

3. Hot Pink Purple GREEN
Acid Neutral Base

4. 1. Determine which substances are acids
and which are bases.
2. Employ yourself as a bar tender for
aliens.
3. Serve them the correct drinks.
4. Try not to kill too many aliens…..
http://sv.berkeley.edu/showcase/flash/juicebar.html

5. 1. Alien Juice Bar – Computer Lab 301
Conclusion Questions:
1)What are 2 things you observed about
acids & pH scale?
2)What are 2 things you observed about
bases & pH scale?
3)How can you tell a substance is neutral
using cabbage juice?
4)Why is understanding how to neutralize
substances beneficial in the world?

6. 1.Complete Alien Juice Bar
– Due Tomorrow
2. STAR Cards #30-61 – Due
Monday…..-Quiz still on
Friday!

7. 1.Complete Alien Juice Bar
– Due Tomorrow
2. STAR Cards #30-61 – Due
Monday…..-Quiz still on
Friday!