3-5 ETS1-2 Create and Compare several different solutions to a problem.

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3-5 ETS1-2 Create and Compare several different solutions to a problem. by Mind Map: 3-5 ETS1-2 Create and Compare several different solutions to a problem.

1. Research the Problem

1.1. How to filter dirty or polluted water?

2. Decide what the various conditions or circumstances the investigation will include.

2.1. Pond water, creek water, salt water, charcoal, cotton, gravel, paper towel

3. Communicate and share ideas to improve the design.

3.1. After testing a few different designs of water filters, discuss the faults and improvements with peers.

4. Test the design under the various conditions or circumstances to find faults or improvements.

4.1. Test the model water filter by pouring dirty or polluted water through the filter.

5. Recreate the design based on solutions to the faults or based on improvements to the design.

5.1. Making decided improvements on the water filter to increase the cleanness of the water. test the improved model of water filter.

6. Test the recreated designs to determine which one best solves the problem.

6.1. Test the improved model of water filter. Is the water clean? Observe the water under a microscope.

7. Design and Construct a model of a solution to the problem.

7.1. Create different models of water filters using an empty two liter soda-pop bottle and other materials.