Summary Deni Rahmawati (Causal Explanation)

(Group 1) Asvina & Vini

Title : Cause and Effect of Water Pollution

Clean water is essential for life, but water pollution is a serious, growing issue affecting humans and animals. Pollution occurs when chemicals, waste, or particles make water unsafe.

Causes of Water Pollution:  

Natural causes include volcanoes, animal waste, algae, and silt from floods.  

Human causes include sewage, fertilizers and pesticides, factory waste, acid rain, and oil spills.  

Effects of Water Pollution:  

It causes the death of aquatic animals, disrupts food chains, and leads to diseases from drinking polluted water.  

Ways to Control Water Pollution:  

1. Use the correct waste bin.  

2. Save water by closing taps.  

3. Avoid pouring chemicals down the drain.  

4. Limit use of pesticides and fertilizers.  

5. Plant more trees.

(Group 2) Tysa & Anggi

Title: How Do Cigarettes Affect the Body?

Cigarettes are harmful to the body, affecting various organs and functions. Smoking damages teeth, gums, and nerves, leading to decay and loss of smell. It harms the lungs, causing infections and shortness of breath by interfering with oxygen exchange. Nicotine is addictive, quickly reaching the brain and making people crave cigarettes. Smoking also restricts blood flow, increasing the risk of heart attacks and strokes, and can cause DNA mutations, leading to cancer. It also damages eyesight, bones, and can affect fertility and sexual function.

Quitting smoking has many benefits. Within a day, blood pressure and heart rate normalize, and after a month, lung function improves. After a year, heart health improves, and after five years, the risk of lung cancer drops by 50%. Withdrawal symptoms are temporary and can be managed with nicotine replacement therapies, counseling, and support groups.

Language Features:

- Present Tense: Used to describe general facts (e.g., "Cigarettes are harmful").

- Passive Voice: Focuses on the effects rather than actions (e.g., "Oxygen is displaced by carbon monoxide").

- Cause-Effect Conjunctions: Words like "because" and "resulting in" explain how smoking causes harm (e.g., "Nicotine binds to receptors, resulting in addiction").

- Sequential Order: Describes the gradual improvement after quitting (e.g., "After one month," "Five years in").

- Action Verbs: Used to show the effects of smoking (e.g., "harms," "coats," "binds").

(Group 3) Asti & Celia

Title : What Causes a Landslide

General Statement: Landslides happen when gravity overcomes the friction that holds rock layers in place. Weak geological layers can lead to unstable slopes.

Cause and Effect:  

1. Heavy Rain: Adds weight to the soil and acts as a lubricant, making landslides more likely.  

2. Deforestation: Removes tree roots that stabilize soil, increasing the risk of shifting soil.  

3. Earthquakes: Shake the ground, shifting rock layers and triggering landslides.

Language Features:  

- Present Tense: “Landslides occur” describes a general fact.  

- Complex Noun: "Upper layer" combines words to specify a concept.  

- Abstract Noun: "Stability" represents a non-physical concept.  

- Pronoun: "We" stands in for a group of people.  

- Subject: "Landslide" as the main topic of the sentence.  

- Adverb: "Extremely" intensifies the adjective or adverb it modifies.  

- Connective: "And" links sentence elements for a more complex structure.  

- Passive Voice: “The ground we stand on is made up of layers” focuses on the state of the ground.  

- Time Conjunction: "As" connects clauses, indicating timing between events.  

- Technical Term: "Landslide" has a specific meaning in scientific contexts.

(Group 5) Cindy & Fatimah

Here is a summary of the causal analysis of a tsunami:

1. Understanding Cause and Effect: Explanation texts show how one event leads to another. In a tsunami, an earthquake shifts the seabed, displacing water and creating large waves.

2. Structure of Causal Explanation:

   - Identify the Phenomenon: Starts with defining what a tsunami is.

   - Primary Cause: Triggered by events like an underwater earthquake.

   - Sequential Development: The earthquake moves the ocean floor, causing waves.

   - Impact: Waves reach the coast, causing destruction.

3. Language of Cause and Effect: Uses words like because, therefore, and specific terms like seismic activity.

4. Detailed Causal Reasoning:

   - Why Earthquakes Cause Tsunamis: Earthquakes shift the ocean floor, transferring energy to water.

   - Why Waves Grow Near Shores: Waves slow down near shore, increasing in height.

5. Purpose of Explanation: To educate and show the importance of early warnings and safety.

(Summary of the causal analysis from Group 6) Lisa, Isna, & Divana

How Does an Earthquake Happen?

The generic structure of an explanation text in the video includes:

1. Title: Clearly states the topic, such as “earthquake.”

2. General Statement: Introduces the topic with a simple definition of an earthquake.

3. Explanation Sequence: Step-by-step explanation of tectonic plate movement and its effects, like ground shaking.

4. Conclusion: Summarizes key points or reinforces the impact of earthquakes.

Language Features:

1. Present Tense: Makes information feel immediate (e.g., “Earthquakes happen when tectonic plates shift.”).

2. Technical Terms: Specific terms like “seismic waves” and “epicenter” provide scientific accuracy.

3. Cause-and-Effect Language: Shows how actions lead to outcomes (e.g., “When plates collide, energy builds up, causing ground shaking.”).

4. Passive Voice: Focuses on the event rather than the subject (e.g., “The earthquake is caused by tectonic movement.”).

5. Sequential Connectives: Organizes steps in order, like “first,” “next,” and “finally.”

6. Simple Sentences: Provides clarity, especially for complex information (e.g., “The plates move. This causes pressure.”).