Kemtec Science: Human Activity and Environment

• Target Grades: 5-8
• Number of Students: 24 students working in six groups of four

Students study food web relationships and how natural and human induced changes in the environment such as severe storms, drought, floods, housing developments, road salt, fertilizer runoff, and fire upset the balance of ecosystems. Nature ability to restore balance between the number of different types of organisms, such as predators and prey, in natural habits of the community are demonstrated. Activities include, The Salted Roads, The Runoff, Flooded Farms, and The Forest Community. Conservation is discussed in terms of using natural resources wisely to help keep the natural balance.

Kit Contains:

• Instructor Manual
  
• MSDS
  
• Bean Seeds
  
• Plastic Cups
  
• Miracle Gro
  
• Vinegar
  
• Methylene Blue Stain
  
• Sand
  
• Transparency- How the world works
  
• Fact Sheet
  
• Xerox Sheets: Crossword, The Forest Community, The Runoff, Flooded Farms, Builder A&B, True/False Questions, and The Salted Roads

Required, But Not Included:

• Fresh Celery
  
• Dominoes
  
• Recycled Milk Jugs or Flower Pots
  
• Beakers or Jars
  
• Yeast
  
• Salt
  
• Sugar