Biogeochemical Cycles

Presentation

•

Biology

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS2-2, HS-ESS3-4, HS-LS2-3

Standards-aligned

HANNAH KATHERINE HOMOELLE

Used 124+ times

FREE Resource

12 Slides • 6 Questions

Biogeochemical Cycles

By Hannah Homoelle

Open Ended

Half of all lakes and rivers in Minnesota are unsafe for swimming according to a 2010 study. What might be polluting these waterways?

Type response here

I can model how nutrient cycles affect ecosystems.

Notes

Nitrogen Cycle Game

Video

Independent Practice

Agenda

Todays Goals

Some text here about the topic of discussion

Multiple Choice

What is the term for when nutrients are turned into forms usable by most plants and animals?

bacteria

biogeochemical cycle

fixation

disruption

Open Ended

Why do farmers use fertilizer?

Type response here

Multiple Select

Select 2 types of organisms that do most nitrogen fixation.

animals

bacteria

bean plants

trees

Open Ended

Why doesn't fertilizer stay on the fields where it is spread?

Type response here

Multiple Choice

How does excess nitrogen and phosphorus affect aquatic ecosystems?

harms them by growing more algae

helps them by growing more algae

helps them by increasing oxygen

harms them by decreasing carbon

Runoff - water moves toward rivers, groundwater and eventually the ocean after it rains

Biogeochemical Cycles

By Hannah Homoelle

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