Effects of Climate Change on Human Activities

Grade 8 · Social Studies

Semester 1 | Period 2 | Week 11

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Subject: Social Studies

Semester: 1

Period: 2

Week: 11

School Name: ______________________________
Teacher’s Name: ___________________________
Subject: Social Studies
Grade Level: Grade 8
Date: ______________________________
Lesson Duration: 45 minutes
Week & Period: Week 11, Period 2
Topic: Effects of Climate Change on Human Activities
Sub-topic: Weather and Climate Change

Learning Objectives
By the end of the lesson, students should be able to:

  1. State the factors influencing climate in Liberia.
  2. Analyze the effects of weather and climate change on food production, farming, fishing, and health.
  3. Discuss climate change issues affecting Liberia.

Previous Knowledge
Students already know:
• That rainfall and temperature influence farming and daily life.
• Basic weather elements like rainfall, temperature, and wind.

Instructional Materials
• Textbook: Social Studies textbook for Grade 8
• Teaching aids: Charts showing climate change effects, pictures of flooding, drought, crop failure, and health hazards
• Students' notebooks and writing materials

 

Lesson Development – ABC Model

A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Activity: The teacher will ask the class:
• “Have you noticed changes in the weather recently?”
• “How have these changes affected farming, fishing, or health in your community?”
The teacher will record responses on the board.
Teacher’s Role: Guide brainstorming and connect observations to climate change.
Learner’s Role:
• Share experiences of floods, droughts, or other weather changes.
• Respond verbally and participate in discussion.

 

B – Building Knowledge (Main Lesson Body)

Time: 25–30 minutes

Teacher’s Role (Expanded & Detailed)

  1. Introduce Factors Influencing Climate in Liberia
  • Begin with a map of Africa showing Liberia’s location near the equator.
  • Ask learners: “Why do you think Liberia is generally hot and wet?” Guide them to understand climate influencers:
  1. Latitude (Distance from the Equator):
  • Liberia lies close to the equator.
  • This means the sun’s rays hit the country almost directly, creating high temperatures and a tropical climate.
  1. Altitude (Height above Sea Level):
  • The higher the place, the cooler the climate.
  • Example: The Wologizi Mountains in Lofa are cooler than Monrovia (a lowland coastal city).
  1. Distance from the Sea:
  • Liberia’s long coastline makes coastal towns like Monrovia, Buchanan, and Harper hot and humid.
  • Inland areas (e.g., Gbarnga) experience slightly drier conditions because they are farther from the ocean.
  1. Winds:
  • Southwest Monsoon Winds (May–October): bring rainy season rains.
  • Northeast Trade Winds (November–April): bring dry season and harmattan dust.
  1. Human Activities:
  • Deforestation reduces tree cover, leading to hotter conditions.
  • Burning and mining can pollute the air and contribute to local climate changes.
  • Example: Charcoal burning in many communities increases heat and reduces rainfall stability.

 

  1. Effects of Climate and Weather Changes on Human Activities
  2. Farming & Food Production:
  • Heavy rains can flood farms and wash away crops.
  • Irregular rainfall confuses planting seasons for rice, cassava, and vegetables.
  • Drought reduces soil moisture, leading to poor harvests.
  1. Fishing:
  • Flooding can destroy fish habitats in rivers.
  • Drought reduces river and lake water levels, making fishing harder.
  • Strong winds and storms at sea can make fishing dangerous for coastal communities.
  1. Health:
  • Flooding creates stagnant water → breeding ground for mosquitoes → malaria cases rise.
  • Dirty flood water spreads cholera and diarrhea.
  • Heat waves can cause dehydration and heat stroke.

 

  1. Teacher–Led Demonstrations & Class Engagement
  • Simple Diagram Exercise: Draw a mountain (altitude), coastline (sea influence), and equator line (latitude) to show factors clearly.
  • Storytelling Example: Tell a short story of a farmer in Nimba whose crops failed due to irregular rainfall, and another farmer in Monrovia who lost cassava to flooding. Ask: “What do you think caused these problems?”

 

  1. Group Discussions (Interactive)
  • Divide class into three groups. Assign topics:
    • Group 1: Flooding in Liberia – causes and effects.
    • Group 2: Drought in Liberia – causes and effects.
    • Group 3: Crop failure and food shortage – how climate change plays a role.
  • Each group discusses for 5–7 minutes, writes points, and chooses a spokesperson to present.
  • Teacher guides and adds missing points during presentations.

 

Learners’ Activities (Expanded)

  1. Note-taking – Copy notes on climate factors and effects into notebooks.
  2. Observation – Study teacher’s diagrams of latitude, altitude, and sea influence.
  3. Group Work – Discuss climate effects (flooding, drought, crop failure) and give examples from their own communities.
  4. Presentation – Share group findings with the class.
  5. Class Discussion – Debate: “Which is more dangerous to Liberia — flooding or drought?”

 

Assessment Checks (Oral and Written)

  1. Name two factors that influence Liberia’s climate.
  2. How does altitude affect temperature in Liberia?
  3. What is the role of winds in determining rainy and dry seasons?
  4. How does drought affect farming in Liberia?
  5. Give one health hazard caused by flooding.
  6. Suggest one way Liberians can adapt to climate changes.

 

Notes (Expanded & Detailed)

  • Liberia’s climate is tropical, influenced by its equatorial location, altitude, distance from the sea, and seasonal winds.
  • Climate change is causing irregular rainfall, more floods, and sometimes droughts.
  • Farming and fishing are most directly affected: unpredictable rains damage crops and reduce fish catches.
  • Health hazards such as malaria, cholera, and heat-related illnesses increase during climate extremes.
  • Awareness and adaptation strategies (planting trees, proper drainage systems, crop rotation, and using climate forecasts) are essential to reduce negative impacts.

 

 

C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary:
• Teacher will review the main factors influencing climate in Liberia.
• Students will recall the effects of climate change on farming, fishing, food production, and health.

 

Evaluation Method (Expanded):
• Exit slip/quiz: Students will write short answers to:

  1. State two factors that influence climate in Liberia.
  2. Describe one effect of flooding on food production.
  3. Mention one health problem caused by climate change.
    Teacher will collect and quickly review responses.
    • Provide oral feedback before class ends.

 

Assignment (Expanded):
• Students will interview family or community members on observed effects of climate change and write a short report.

Follow-up Activity:
• Students present their findings in the next class and discuss strategies to mitigate climate change effects.

 

Differentiation / Inclusive Strategies
• Struggling Learners: Provide pictures and simple examples of flooding, drought, and crop failure.
• Advanced Learners: Ask them to propose ways communities can adapt to climate change.
• Students with Disabilities: Use visual aids or pair them with peers for group discussion.

 

Teacher’s Reflection (After Class)
• What worked well? ______________________________________________________
• What needs improvement? _________________________________________________
• Students’ engagement level: □ High □ Medium □ Low
• Next steps: Reinforce climate change effects by linking to disaster management and adaptation strategies in the next lesson.