ACIDS AND BASES

STUDENTS WILL BE ABLE TO,

A common way to distinguish acids and bases is by using litmus paper.

Litmus paper determines the pH of a substance.

An acid is a solution that has a pH lower than seven.

The word acid comes from the Latin word acidus meaning sour or sharp.

Bases are solutions that have a pH greater than seven.

Another word for base is alkali.

Water is considered "Neutral"

It has a pH of 7

QUESTION OF THE DAY.

• How does one determine if something is an acid or base?

ANSWER OF THE DAY

• By using litmus paper to find the pH of the substance.

http://youtu.be/DupXDD87oHc

QUIZ

• What is considered an acid on the pH scale?
• What is considered a base on the pH scale?
• What pH is pure water?
• What does the Latin word "acidus" mean?
• What kind of paper is used to find the pH of substances?

ANSWERS

• Anything lower than 7 on the pH scale is an acid.
• Anything larger than 7 on the pH scale is a base.
• pH 7
• Sour or sharp
• Litmus paper

Acids and bases are great evidence of a creator. Without a creator, how could everything be so accurate and how could reactions between certain substances take place?