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Grade 08 Science - EC: S8.B.1.1.2

Grade 08 Science - EC: S8.B.1.1.2

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. List 5 of your internal structures.

  2. List 5 of your external structures.

  3. What is a vertebrate?  What is an invertebrate?
  1. How do humans compare to single-celled organisms?  List at least 3 similarities and 3 differences.

  2. How are the internal and external structures of vascular and nonvascular plants similar?  How are they different?
  1. Vascular and nonvascular plants are very different.  Which type of plant do you think have evolved more?  Explain your reasoning.

Answer Key/Rubric

  1. Acceptable responses may include, but are not limited to:
    • Heart
    • Lungs
    • Bones
    • Blood
    • Liver
    • Kidney
    • Small intestine
    • Bladder

  2. Acceptable responses may include, but are not limited to:
    • Arm
    • Leg
    • Nails
    • Skin
    • Hair
    • Feet
    • Fingers
    • Toes
    • Ears

  3. A vertebrate is an animal with a backbone.  An invertebrate is an animal that does not have a backbone.
  1. Acceptable responses may include, but are not limited to:
    • Both have the ability to move. (legs or flagella)
    • Both have an organ or organelle that controls all functions. (brain or nucleus)
    • Both have the ability to reproduce.
    • Humans have many more cells.
    • Humans can communicate with each other.
    • Humans have a greater variety of internal and external structures.

  2. Acceptable responses may include, but are not limited to:
    • Both are plants.
    • Both are multicellular.
    • Both perform photosynthesis.
    • Vascular plants have phloem and xylem.  Nonvascular plants do not.
    • Nonvascular plants are very small.
    • Vascular plants have roots, stems, and leaves. Nonvascular plants do not.
    • Vascular plants have flowers and seed.  Nonvascular plants have spores.
  1. Acceptable responses may include, but are not limited to:
    • Vascular plants have a complicated system to transport food and water throughout the plant.
    • Vascular plants have root systems to gather water from the ground.  Nonvascular plants get water through osmosis.
    • Vascular plants can live in many areas with very different climates.  Nonvascular plants need to be in moist areas.
    • Vascular plants must go through a sexual process to produce seeds for offspring.  Nonvascular plants can produce asexually.
    • More complicated systems generally mean more evolution has occurred.
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