What Is an Acid?

PHYSICAL SCIENCES

Curiosity trigger

The students will prepare red cabbage juice and use it to check which substance is an acid and which one is a base. They will experiment with such substances as laundry detergent or vinegar.

Curriculum and Skills

Work and Life Skills:

Critical thinking and drawing conclusion
Teamwork and collaboration skills

In this lesson, you will cover:

NEXT GENERATION SCIENCE STANDARDS:
5-PS1-3. Make observations and measurements to identify materials based on their properties

You will need

red cabbage, vinegar / lemon juice, laundry detergent / shampoo / soap, tea, transparent glasses, resealable bags, test tubes / plastic cups

Click here to see lesson plan

Authors

Author: Andrzej Burakowski
Methodology: Katarzyna Nowicka
Translation: Paweł Fabrowicz
Producer: Marta Przywara

Source

This lesson plan is a modified version of one created by the Children’s University Foundation under the CC-BY-NC-SA 3.0 license.
Photo Red cabbage indicator (2) by brittgow published on flickr under the CC-BY 2.0 license.

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