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Sustainability Lesson Clearinghouse

How to Grow Red Seaweed

Lesson Description:
Student will be able to…
  • Identify and describe the basic needs of seaweed
  • Identify and describe the similarities and differences between green plants and algae as relates to their physical structure, growth, change, and movement
  • Collect, organize and record data using a variety of graphic representations
  • Write an expository piece about the seaweed investigation that provides facts and details, and describes, analyzes and draws conclusions

Lesson Type:
  • Project

Sustainability Topic:
  • Gardening

GEF Program Category:
  • Green Thumb Challenge

Time Needed:
45 minutes along with weekly journal entries
Standards Addressed:
Science Standard 5: Understand the structure and function of cells and organisms
  • Benchmark # 2: Know that living organisms have distinct structures and body systems that serve specific functions in growth, survival and reproduction (e.g., seaweeds’ holdfast, stipes)

Science Standard 6: Understand relationships among organisms and their physical environment
  • Benchmark # 3: know that an organism’s patterns of behavior are related to the nature of that organism’s environment (e.g., physical characteristics of the environment)

Science Standard 7: Understands biological evolution and the diversity of life
  • Benchmark # 2: Know the different ways in which living things can be grouped (e.g., plants/animals, live on land/line in the water) and purposes of different groupings

Science Standard 12: Understand the nature of scientific inquiry
  • Benchmark # 3: Plan and conduct simple investigations
  • Benchmark # 4: Use appropriate tools and simple equipment (e.g., thermometers) to gather scientific data and extend the senses

Language Arts Standard 1: Use the general skills and strategies of the writing process
  • Benchmark # 7: Write expository compositions (e.g., develop the topic with simple facts, details, examples, and explanations, use structures such as cause-and-effect, chronology, similarities and differences)

Materials Needed:
  • Aquarium
  • Fresh red seaweed
  • Rock
  • Salt
  • Thermometer
  • Water
  • Liquid fertilizer
  • Notebooks or charts
  • Sample chart provided below
  • Pens or pencils  

School or Group:
Green Education Foundation (GEF)
Contact Email:
Lesson Documents:
application/pdf HowtoGrow_RedSeaweed.pdf
Located in: Language Arts | Science

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