Reflection: Developing a Conceptual Understanding Day 1 - Salty Oceans and Fresh Water ... - Section 1: NGSS Connections and Class Preparation

 

Next time I will use fewer items for a couple of reasons.

- I will select items that have a more noticeable quantitative difference between fresh and salt water, such as grapes and soap.

- Select only items that float to a horizontal reference line

- Provide time to run observations for salt and fresh water on day one.

Then on day two students can develop their lab summary of their observations (results), write their conclusion and learn more about density differences between fresh and salt water.

 

  Developing a Conceptual Understanding: Testable Items
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Day 1 - Salty Oceans and Fresh Water ...

Unit 4: Unit 4 - Surface Water and Landform Interactions
Lesson 6 of 18

Objective: SWBAT unpack a science question to develop a hypothesis and specific observation vocabulary, while exploring the differences between fresh and salt water.

Big Idea: Students make observations on how objects float in fresh water. They use these observations in the next lesson to compare fresh and salt water.

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Subject(s):
Science, erosion, landforms, water cycle, water
  100 minutes
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