5th Grade – Alabama Science Assessment

Content Standard 3: Use everyday indicators to identify common acids and bases.

04/19/23 1

04/19/23 2

04/19/23 3

An everyday indicator such as grape juice turns deep red in the presence of an acid and blue in the presence of a base.

acid

base

acid

acid

04/19/23 4

Common acids: citrus fruits, vinegar, and carbonated cola soft drinks.Common bases: bar of soap, ammonia, baking soda, and antacids.

acid

base

base

base

04/19/23 5

Bases turn green or yellow in the presence of red cabbage juice.

04/19/23 6

Common acids: citrus fruits, vinegar, and carbonated cola soft drinks.Common bases: bar of soap, ammonia, baking soda, and antacids.

04/19/23 7

Common acids: citrus fruits, vinegar, and carbonated cola soft drinks.Common bases: bar of soap, ammonia, baking soda, and antacids.

04/19/23 8

Common acids: citrus fruits, vinegar, and carbonated cola soft drinks.

Common bases: bar of soap, ammonia, baking soda, and antacids.

04/19/23 9

When red (purple) cabbage juice is used as an indicator, acids turn bright pink and bases turn green or yellow.

04/19/23 10