Happy 123 rd Birthday Yosemite!. Key Ideas Purpose of nitrogen and phosphorus Why extra nitrogen and phosphorus is added to soil Different types.

Happy 123rd BirthdayYosemite!

Key Ideas

• Purpose of nitrogen and phosphorus • Why extra nitrogen and phosphorus is added

to soil• Different types of plants need different

amounts of nitrogen and phosphorus • How nitrogen and phosphorus get into water

systems• Eutrophication, hypoxia and dead zones

Create a hypothesis.Which soil do you predict will have

more nitrogen and/or phosphorus and why?

Enriching our Seas to Death

• Readers – share out on what your article was about• Audience – take notes. Key points to know:1. What is eutrophication?2. How is it caused?3. Which nutrient cycles were impacted?4. What are dead zones5. What are the actions of humans that have caused

this?6. What are solutions

Exit Card

1. What is eutrophication and what does it cause?

2. Name two problems caused by algae growth (algae is a producer…. That is a good thing, right?)

3. Does nitrogen & phosphorus ( and not carbon or sulfur) cause hypoxia?

Key Ideas

• Purpose of nitrogen and phosphorus • Why extra nitrogen and phosphorus is added

to soil• Different types of plants need different

amounts of nitrogen and phosphorus • How nitrogen and phosphorus get into water

systems• Eutrophication, hypoxia and dead zones