Activity sheet for students to prepare natural indicators that exhibit different color change with acids and bases.
Objective
1. prepare natural indicators that exhibit different color change with acids and bases.
2. observe and compare the pH range of prepared natural indicators usin a set of standard
solutions, the pH paper strips, and the digital pH meter.
3. identify some household substances, whether acid or base, using the prepared plant
indicator, pH paper strips, and the digital pH meter.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 7
Learning Area
Science
Content/Topic
Matter
Intended Users
Learners, Students
Competencies
Investigate properties of acidic and basic mixtures using natural indicators
