1. Interactions of Earth’s Sphere

2. interactions

3. Key vocabulary
Ecosystems - community of plants and animals that interact with one another and with their physical environment (land, climate, soil, water and nutrients)
Interactions
Feedback – influence each other – unpredictable or irreversible
Climate
Influences:
Ocean currents
Precipitation
Human activity
Volcanic events
Solar events
Tectonic events

4. Can you think of some examples of interactions between two or more spheres?
Atmosphere
Geosphere
Hydrosphere
Biosphere

5. Can you think of some examples of interactions between two or more spheres?
Atmosphere
Geosphere
Hydrosphere
Biosphere
Ozone change
Ozone change El Nino
Ozone change; photosynthesis
Hurricanes; tsunamis; volcanoes; wave action
Volcanic eruptions
Hurricanes; tsunamis; tectonics; erosion; volcanoes Earthquakes; wave action
Hurricanes; tsunami; coal, nutrient cycles; volcanoes
El Nino
Waves
Wave action
photosynthesis
Photosynthesis

6. In order to maintain and improve their existence, humans interact with and influence Earth systems.
Some examples:
Hydrosphere – water pollution
Biosphere – over-fishing, agriculture, forestry, algae in lakes
Geosphere – mining
Atmosphere – air pollution
Interactions – climate change

7. Human systems
Created by humans for individual and collective wants and needs
System that are created by humans include:
Human settlements
Transportation routes
Communication systems
Economics
Infrastructure
Energy

8. Collage Assignment
For this activity, you can choose a specific interaction between humans and the natural environment.
Showcase your ideas using words, quotes, and pictures you find in magazines.
You will then write a 6-8 sentence paragraph
describing your collage,
explaining the interactions in your collage, and
why you chose specific words/pictures.
Self-assessment and peer-assessment

9. Criteria
Level 1
Level 2
Level 3
Level 4
Knowledge- the collage represents a clear environmental theme and critical thinking around the issue is clear in their collage creation; the paragraph is clear, well-written, and describes the pictures/word choices in the collage.
- critical thinking has been made with minimal accuracy and effectiveness with the word choices and use of visuals.
- critical thinking has been made with some accuracy and effectiveness with the word choices and use of visuals.
- critical thinking, for the most part, has been made with accuracy and effectiveness with the word choices and use of visuals.
- critical thinking has been made with a high degree of accuracy and effectiveness with the word choices and use of visuals.
Presentation/Creativity- the layout and overall project reveal a great deal of creativity, organization, and thought; ideas are represented in a unique and eye-catching manner. Does the project look thrown together or well-thought out?
- the theme and visuals used show limited creativity and effectiveness.
- the theme and visuals used show some creativity and effectiveness.
- the theme and visuals used show considerable creativity and effectiveness.
- the theme and visuals used show a great degree of creativity and effectiveness.