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Middle School Science - Performance Task - The Clearwater River Ecosystem Investigation
Middle School Science - Performance Task - The Clearwater River Ecosystem Investigation
Middle School Science - Performance Task - The Clearwater River Ecosystem Investigation
Middle School Science - Performance Task - The Clearwater River Ecosystem Investigation

6 Questions

NGSS.MS-LS1-7
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS2-5
NGSS.MS-PS1-2
NGSS.MS-ESS3-3
NGSS.MS-ETS1-2
1

Analyze the data table provided.

2

Scientists are concerned that fertilizer runoff from lawns in the new housing development is causing algal blooms.

3

To help salmon migrate past a new road crossing, engineers must install a culvert (a large pipe under the road). They are considering the designs below.

4

The graph below shows the human population growth in the town next to the Clearwater River and the corresponding number of spawning salmon counted each year.

5

A local environmental group wants to propose solutions to help the salmon. Read each proposed idea below.

6

Based on the initial investigation, the environmental group implemented two solutions in 2025 to restore the Clearwater River.

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