Science Worksheet · Grades 6–9
The pH Scale Worksheet
A printable science worksheet for grades 6-9 on the pH scale. Students learn how the 0-14 scale classifies liquids as acids, bases, or neutral and how indicators like litmus paper work, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.
Subject
Science
Grades
Grades 6–9
Skill Focus
The pH Scale, physical science
Lesson Length
30 minutes
Lesson Overview
About this worksheet
The pH scale runs from 0 to 14 and tells how acidic or basic a liquid is: below 7 is an acid, above 7 is a base, and 7 is neutral. This worksheet teaches the scale and how indicators reveal a liquid’s pH, with a diagram.
The reference box and Section A are on page 1. The reference box defines eight terms and shows the pH scale with examples. Section A has eight clue-matching items. Section B on page 2 has four short-response questions.
Page 3 is a complete answer key. The worksheet pairs well with the Acids and Bases and Mixtures and Solutions worksheets.
How to Use This Lesson
Read the reference box and study the pH scale.
Match each clue to a term in Section A on page 1.
Answer the four short-response questions in Section B on page 2.
Use the answer key on page 3 for self-check.
Pair with the Acids and Bases Worksheet for more practice.
Printable Resource
A classroom-ready PDF with everything in one printable resource.
Full Member Resource · Printable PDF · 3 pages · Answer Key
The pH Scale Worksheet
A printable science worksheet for grades 6-9 on the pH scale. Students learn how the 0-14 scale classifies liquids as acids, bases, or neutral and how indicators like litmus paper work, match eight terms to clues, and answer four short-response questions. A diagram and complete answer key are included.
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