Innovating Science® Acids, Bases, and the pH Scale

Learn about the differences between acids and bases and the pH scale.

Students will examine the effects of acids and bases on several chemical pH indicators, determine the pH of several common household materials, and use the knowledge gained to determine the composition of 4 unknown clear solutions.
Aligned to NGSS Practices
Performance expectations: HS-PS1-3
Disciplinary core ideas: PS1.B
Cross cutting concepts include Patterns
Engineering practices include planning and carrying out investigations

In this lab, you will gain an understanding of the basic differences between the properties of acids and bases, learn the role of hydrogen and hydroxide ions in acids and bases, and comprehend the nature of the pH scale with regards to acid and base strength.

Students will examine the effects of acids and bases on several chemical pH indicators, determine the pH of several common household materials, and use the knowledge gained to determine the composition of four unknown clear solutions. Kit contains enough materials for 15 groups. Teacher's Manual and Student Study Guide copymasters are included.

: Instructor's Manual and SDS included.

: This product can expose you to chemicals including Phenolphthalein, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.

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