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Design Your Own Experiment: Answering Questions About Oceans or Saltwater

Grade level: K-4
Theme: 21st century technology

Design your own experiment based on the activities conducted for the following outcomes:

1. Explain that evaporation can separate the water from the salt in salt water.
2. Compare the basic properties of fresh and salt water (e.g., density, ability to dissolve salt, freezing point).
3. Describe the connections between the salt water found in the ocean and the fresh water in the water cycle.

Think about the concepts and what else students might want to learn.
 
Student Outcomes 
After completing this activity, students should be able to:

Design a simple experiment to answer a question they have about the ocean or saltwater. (T: K-4)

Key:  C = climate / O = ocean circulation / T = 21st century technology / W = water cycle