Chapter 2 Student Presentations

Presenations start on Monday December 12th-13th

Topics

2.1 Water Cycle (p.34-40)

1. Samar and Yasmine

Include the following topics in your presentation:

• include some interesting water facts
• explain chemical structure of water (polar molecule, hydrogen bonds) and purpose of structure
• explain purpose of hydrogen bonds (boiling point, melting point, density of water, heat capacity)
• explain difference between cohesion and adhesion of water molecules
• explain hydrologic cycle (condensation, evaporation, transpiration, surface runoff, fresh water storage, precipitation, evapotranspiration and infiltration)
• you might want to do a quick water experiment
• How can we protect clean water supply?

​Videos:

1. water
2. song

2.2 Carbon and Oxygen Cycle (p.43-46)

1. ​Leena
2. Raffy

Include the following topics in your presentation:

• explain the difference between the slow  and the rapid cycling of  carbon
• explain the carbon and oxygen cycle (see p. 43)
• explain what stores carbon and what releases carbon
• How are plants and animals involved in the cycling of carbon?
• What are the major carbon sinks on the Earth?
• Explain how each of the following human activities can affect the carbon cycling: deforastation, buring of fossil fuels and agriculture​

2.2 Sulfur Cycle (p.46-48)

1. ​Salman and Abdulahi

Include the following topics in your presentation:

• describe sulfur (What is it? Where is it found? What is the purpose of it? How does it look like?)
• explain the entire sulfur cycle (p. 47)
• explain the purpsose of sulfur for organsims 
• explain where sulfurus smell comes from
• explain role of bacteria in sulfur cycle
• explain cause of acid rain
• How do human activities release sulfur into the atmosphere and how can it be reduced?

2.2 Nitrogen Cycle (p.48-49)

1. ​Omar
2. ​Sumaya

​Include the following topics in your presentation:

• describe nitrogen (What is it? Where is it found? What is the purpose of it? How does it look like?)
• explain entire nitrogen cycle (include role of bacteria)
• explain nitrogen fixation, ammonification and denitrification 
• explain what menas crop rotation and purpose of it

2.2 Phosphorus Cycle (p.49-50)

1. ​Muqaiba
2. Rubina

​​Include the following topics in your presentation:

• describe phosphorus (What is it? Where is it found? What is the purpose of it? How does it look like?)
• explain how is phosphorus transported through the biosphere
  
• explain phosphorus cycle
  
• explain what is algal bloom
  
• explain eutrophication
  
• How do humans increase build up of phosphous into ecosystems? Is it a good thing or not? Explain.
  

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Criteria

On your own or with a partner, you will be responsible to teach an assigned topic from chapter two to the entire class. 

1. Create a PPT, Google slide or Prezi (max. 10 minutes)

• teach, not read the topic to the class 
• content needs to be accurate and understandable
• presentation has large font (size 20), only bulletin points, no long sentences
• presentation has pictures, short video (no longer than 4 minutes)
• incorporate in your presentation three slides with questions to check students understanding. Create either a multiple choice, true and false or short asnwer quesions. 

2. Create a Handout

• summarize content in one-two pages
• include picture of cycle
• don't copy information from text book, paraphrase and have bulletin points
• send finsihed handout to teacher on Sunday December 11th

3. Create an Activity (max. 5 minutes)

• After presenting your topic, you will do an activity with the class. 
• Activity can be a quick game, matching cards, online game etc. 
• see your teacher for more help and ideas