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Grade 08 Science - EC: S8.B.3.3.4

Grade 08 Science - EC: S8.B.3.3.4

Continuum of Activities

Continuum of Activities

The list below represents a continuum of activities: resources categorized by Standard/Eligible Content that teachers may use to move students toward proficiency. Using LEA curriculum and available materials and resources, teachers can customize the activity statements/questions for classroom use.

This continuum of activities offers:

  • Instructional activities designed to be integrated into planned lessons
  • Questions/activities that grow in complexity
  • Opportunities for differentiation for each student’s level of performance

Grade Levels

8th Grade

Course, Subject

Science

Activities

  1. Define herbicides.

  2. Define biogenetics.
  1. Explain biological pest control and its three main types.

  2. What is a benefit of selective herbicides?
  1. Identify one advantage and one disadvantage of pest management.

  2. Promote the use of pest management by explaining long-term effects on the environment.

Answer Key/Rubric

  1. A herbicide is a substance used for destroying or inhibiting plant growth.

  2. Biogenetics involve the creation of living organisms from other living organisms.

  3. Acceptable responses include, but are not limited to:
    Biological pest control involves the use of natural pest-predators, such as diseases and parasites.  The three main types are:
  • Conservation: involves use of the pest’s naturally occurring enemies in their habitat
  • Augmentation: involves the additional release of naturally occurring enemies
  • Importation: involves introducing new predators to an environment
  1. Acceptable responses include, but are not limited to:
    Selective herbicides target the unwanted weeds or pests, which not harming any other organisms in the environment.
  1. Acceptable responses include, but are not limited to:

Advantages:

  • Eliminate/reduce the occurrence of unwanted pests
  • Many treatments do not affect the wanted organisms
  • May conserve crops (if once affected by pests)
  • Reduce disease being spread to people or animals

Disadvantages:

  • May involve harmful chemicals
  • May not always be effective
  • More lawn/garden up keep (if applied in a residential environment)
  • Can be costly
  1. Acceptable responses may include, but are not limited to:
  • Makes a more attractive environment.
  • Health improvement of organisms affected by pests
  • Reduces/eliminates the occurrence of pests
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