Watershed LAB Analysis
Presentation
•
Science
•
7th Grade
•
Practice Problem
•
Easy
+8
Standards-aligned
JESSICA LYNN HEDGES
Used 6+ times
FREE Resource
3 Slides • 5 Questions
1
2
What are characteristics and functions of watersheds?
How are watersheds connected to our groundwater?
What positive and negative effects can the watershed have on humans?
What positive and negative effects can humans have on the watershed, including groundwater?
Discussion Questions
3
4
Multiple Choice
A scientist suspects that large amounts of nitrogen from fertilizers in runoff are causing algae to grow in lakes and ponds downstream. To test this hypothesis, the scientist conducts an experiment and records the following data. How does the pattern in the data allow you to decide whether fertilizer caused algal growth?
The pattern in the data shows a clear correlation between the amount of fertilizers and the growth of algae.
5
Multiple Select
Pollutants in Waterways:
After observing your model, what could happen to chemicals or pollutants that enter the waterways? Select TWO
They eventually evaporate
They all end up in the ocean
They end up in our crops
They concentrate in areas where water collects.
They dissolve after being washed away by floods
6
Dropdown
Decide whether each of the following effects is positive or negative.
1. Damming a river may cause other surface water to dry up downstream, damaging an ecosystem.
2. Damming a river also floods the area behind the dam, changing that ecosystem.
3. The water in the reservoir might be used for irrigation.
4. The water in the reservoir might be used to generate electricity.
5. The remaining waterways may change their character, such as becoming shallower or slower moving.
7
Dropdown
- What effects could damming a river have on surface water and groundwater?
Decide whether each of the following effects is positive or negative.
6. The plants and animals that live in the waterways may change.
7. Groundwater could lose its source.
8. The dammed water may empty out into a different area above ground.
8
Drag and Drop
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