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In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting. This activity can be conducted as a demonstration and works best as an extension to the activity "Global Climate Change and Sea Level Rise".
- 10 to 30 minutes
- 2 to 4 hours
- $5 - $10 per group of students
- Ages 8 - 14
- Activity, Demonstration, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- one clear food storage box (approximately 6 inch square)
- 4 sticks of classroom modeling clay
- blue food coloring
- ice cube trays
- 4-5 intensely colored ice cubes
- salt
- 1/2 liter of refrigerated water
- Differing Densities Worksheet
Subjects
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Earth and Space Science
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Earth Processes
- Weather and Climate
-
Earth Structure
- Oceans and Water
-
Earth Processes
-
Life Sciences
-
Ecology
- Human Impact
-
Ecology
-
Physical Sciences
-
Heat and Thermodynamics
- Heat and Temperature
-
States of Matter
- Changes of Phase
-
Structure and Properties of Matter
- Mass and Weight
- Volume and Density
-
Heat and Thermodynamics
-
The Nature of Science
-
Science and Society
- Risks and Benefits
- Public Policy
-
The Scientific Process
- Conducting Investigations
- Formulating Explanations
- Communicating Results
-
Science and Society
-
The Nature of Technology
-
Technology and Society
- Technology and the Environment
-
Technology and Society
Informal Categories
- Nature and Environment
Audience
To use this activity, learners need to:
- see
- see color
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Uses STEM to solve real-world problems
- Involves hands-on or lab activities
Other
Components that are part of this resource:
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, California Academy of Sciences, 2008