Growing Rock Candy

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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form. [Activity is publicly available through a web crawler capture on Archive.org.]

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
1 to 7 days
Estimated Materials Cost:
1 cent - $1 per student
Age Range:
Ages 6 - 18
Resource Types:
Activity, Experiment/Lab Activity
Language:
English

Materials List (per student)

  • glass jar or drinking glass
  • piece of cotton string
  • pencil or stick
  • paper clip
  • 240 ml (1 cup) of water
  • 480 ml (2 cups) of sugar
  • additional sugar

Keywords

Subjects

  • Physical Sciences
    • Chemistry
      • Chemical Bonding
    • States of Matter
    • Structure and Properties of Matter
      • Atomic Structure
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

Informal Categories

  • Food and Cooking

Audience

To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

Rights:

  • All rights reserved, Ontario Science Centre, 2011