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Purpose: To identify characteristics related to physical and chemical changes.
Summary: Students will participate in activities that demonstrate the differences between a physical and a chemical change.
Objectives Links:
1. A & B: Physical Properties
1. C: Physical Changes
1. D: Matter Conservation
1. E: Chemical Reactions
1. Local: Mixtures
Process Skills Checklist
Materials:
- one student worksheet
- one student information sheet
- one balloon
- one block of wood
- one clear plastic cup
- one ice cube
- one 12" piece of string
- one straw
- limewater (calcium hydroxide)
- matches
- salt
Safety Concerns:
Calcium hydroxide may cause irritation to the skin. Hazardous if swallowed. Contact a physician immediately.
Revision Date: November 2001
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