PH Measurements

what is the range of #s on the ph scale

• 2 - 20

• 1 - 14

• 1 - 15

• 1 - 50

an apple has a pH # of 3 is it acidic or basic

• Acidic

• Basic

What range of numbers does a substance have to fall into in order to be a acid

• 1-5

• 1-6

• 1- 16

• 6-14

What range of numbers does a substance have to fall into in order to be a base

• 8 - 14

• 9 -15

• 1 - 14

• 1 - 100

how is acid rain made

• when the pH goes lower than a five on the pH scale.

• When an astroid breaks up into small pieces and falls from the sky

• When the thermal conductivity is messed up

What is the most precise way to measure pH

• Acid - base indicator

• Universal pH strips

• Electronic pH meter

• Your taste

What is another name for Bases?

• Acidic

• Alkaline

• Neutral

• Sour

Juices, like Orange Juice, is an Acid or a Base

• Acid

• Base

What number on the pH scale is neutral?

• O

• 7

• 14

• 1

Acids could be described as the following

• Slippery

• Sour

• Bitter

• Sweet