What in the World Is a pH Scale?

Lesson ID: 12514

If lemon juice is a 3, water is a 7, and broccoli is a 10, what does that mean? Is that flavor on a scale of 1-10? Don't bother tasting them, but do find out how a pH scale is used to measure acidity!

30To1Hour
categories

Chemistry

subject
Science
learning style
Visual
personality style
Beaver
Grade Level
Primary (K-2)
Lesson Type
Quick Query

Lesson Plan - Get It!

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Do you remember that water is considered a neutral substance, meaning it is neither an acid nor a base? Did you know that water is also considered to be a “7” on the litmus scale? What is that all about? Read on to find out!

pH scale

  • Do you know what a pH scale is?

If you take a look at the picture above, you will notice that the pH scale may have something to do with acids and bases, or alkalis.

  • But what EXACTLY is a pH scale, and what can it tell us about acids and bases?

Let’s see if Dr. Z can further our knowledge and help us figure out what a pH scale is!

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Continue on to the Got It? section to travel along the pH scale!

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