Indicator Paper

Submitted by smileadmin on Tue, 02/16/2010 - 15:31

Source Institution

  • Science Museum of Minnesota

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Description

Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper. Once made, you can see the indicator paper change color by painting with acids or bases.

Quick Guide

  • Preparation Time: Under 5 minutes
  • Learning Time: 10 to 30 minutes
  • Estimated materials cost: 1 cent - $1 per student
  • Age Range: Ages 4 - 11
  • Resource Types:
  • Language: English

Materials List (per student)

  • 237 mL (1 cup) grape juice
  • 118 mL (1/2 cup) vinegar
  • 237 mL (1 cup) of water
  • 30 mL (2 tbl) baking soda
  • paintbrush
  • 3 plastic cups
  • white construction paper
Subjects

Informal Category

  • Arts and Crafts

Subjects

  • Physical Sciences
    • Chemistry
      • Chemical Reactions
      • Acids and Bases
      • Solutions
Audience

To use this activity learners need to

  • see
  • see color
  • read
  • touch

Learning styles supported

  • Involves hands-on or lab activities
Other

This resource is part of

By

Learning Technologies Center, Science Museum of Minnesota

Rights

All Rights Reserved, Science Museum of Minnesota, ©1995

Funding sources

  • Unisys
  • Science Learning Network
  • National Science Foundation

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