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In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.
- Under 5 minutes
- 30 to 45 minutes
- 1 cent - $1 per group of students
- Ages 11 - 18
- Activity, Experiment/Lab Activity, Lesson/Lesson Plan
- English
Quick Guide
Materials List (per group of students)
- Graduated cylinder or beakers
- Clear plastic cups
- Bottle of fresh water
- Bottle of salt water (35 grams of salt in 1 liter) (Both fresh and salt water must be at room temperature and free of bubbles)
- Ice cubes (perfectly cubic ice cubes are greatly preferred)
Subjects
-
Earth and Space Science
-
Earth Processes
- Weather and Climate
-
Earth Structure
- Oceans and Water
-
Earth Processes
-
Physical Sciences
-
Heat and Thermodynamics
- Heat and Temperature
-
States of Matter
- Changes of Phase
-
Structure and Properties of Matter
- Volume and Density
-
Heat and Thermodynamics
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
- Formulating Explanations
- Communicating Results
-
The Scientific Process
Informal Categories
- Nature and Environment
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
Includes assesments for student learning:
This resource is part of:
Access Rights:
- Free access
By:
- COSEE OCEAN; Chen, Bob
Rights:
- All rights reserved, Centers for Ocean Sciences Education Excellence, 2012
Funding Sources:
- National Science Foundation, 0827983
- National Science Foundation, 0828142
- National Science Foundation, 0827953
- NOAA National Sea Grant
- Office of Naval Research
- National Oceanic and Atmospheric Administration