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Solutions, Erosion and The Water Cycle Experiment: Why is the Ocean Salty?

Grade Levels
4th - 5th, Homeschool
Formats Included
  • PDF
Pages
6 pages
$2.80
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$3.50
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$2.80
List Price:
$3.50
You Save:
$0.70
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Description

Objective: The purpose of this lab investigation is to guide students through several concepts that account for the salt found in oceans. First, students must understand that salt dissolves into water to make a solution. They must also understand the erosive nature of water, and its ability to weather and move things to other places. Last, they must know the fundamentals of the water cycle. Perfect for small groups and science stations!

So…why IS the ocean salty? Over time, water and rain wear down rocks on land and in bodies of water. These rocks contain minerals, like salt, that are washed into moving bodies of water like streams and rivers. The salt is eventually dumped into the ocean. Water evaporates from the ocean, and the salt is left behind. Since the water in the ocean doesn’t flow back IN to fresh water sources, the salt stays there.

Grade Level: 3rd-6th | Duration: 45-60 minutes

Concepts: Physical Science- Mixtures & Solutions, Earth Science- Weathering & Erosion, The Water Cycle

What's Included in this Lab Activity:

Why is the Ocean Salty? - Prediction Worksheet

Why is the Ocean Salty Investigation? - Guided Lab Procedures Worksheets (2)

Student Reflection Worksheet

Teacher Instructions WITH Lab Setup Photographs

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COPYRIGHT INFORMATION

Copyright © Sockmonkey Science. All rights reserved by author. This product is to be used by the original purchaser only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed outside the school setting. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart, content and design elements found in this PDF cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY. You can find more information in the TOU file located with the product download.

Clipart used in this product was provided by Chirp Graphics and The Painted Crow.

Total Pages
6 pages
Answer Key
Does not apply
Teaching Duration
45 minutes
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