ELS

Learning Module Structure

• What I Need to Know: Introduces expected skills or competencies for the module.
• What I Know: Offers a pre-assessment activity to gauge existing knowledge; a perfect score allows skipping the module.
• What’s In: Engages with a brief review linking current lesson to previous topics.
• What’s New: Introduces new content through diverse methods like stories, songs, or activities.
• What is It: Provides an overview of the lesson, focusing on concept discovery and understanding.
• What’s More: Contains independent practice activities, with answers available in the Answer Key.
• What I Have Learned: Encourages reflection through fill-in-the-blank questions related to the lesson.
• What I Can Do: Suggests activities for applying new knowledge in real-life contexts.
• Assessment: Evaluates mastery of the learning competency.

Earth: Characteristics and Habitation

• Earth is the only confirmed planet in the universe to support life.
• The planet has a molten nickel-iron core, creating a magnetic field that protects from solar radiation.
• Approximately 70% of Earth's surface is covered by liquid water, earning it the name "blue planet."
• Essential for life: Earth has the right distance from the sun, a well-insulated atmosphere, and critical chemical components like water and carbon.

Terrestrial Planets

• Earth, Venus, and Mars are classified as terrestrial planets, composed of solid rocks and silicates.
• Similarities among these planets include the presence of atmospheres, comparable rotation times, and shared elements like carbon dioxide and landforms.
• Differences include: Venus lacks water and oxygen, while Earth hosts diverse life forms.

Habitable Planet Factors

• Key factors that make Earth habitable:
  • Presence of liquid water on the surface.
  • A protective atmosphere that filters harmful radiation.
  • Plate tectonics contributing to nutrient circulation.
• Earth is situated at a favorable distance from the sun, contributing to its warmth and climate stability.

Unique Features of Earth

• Earth's atmosphere primarily consists of nitrogen and oxygen, crucial for life sustenance.
• The planet supports not just life but vital ecosystems with a variety of organisms.
• Earth's distinct characteristic is its extensive amount of liquid water, unlike other rocky planets.

Key Questions and Responses

• Earth is classified as terrestrial due to its solid, rocky surface and ability to sustain life.
• Over 70% of Earth is made up of water; critical for supporting life.
• Essential factors for life include temperature regulation, atmosphere, and nutrients.

Activities and Application

• Compare and contrast Earth with Venus and Mars to identify differences and similarities.
• Engage in creating a hypothetical planet with specific climate and life forms to understand planetary characteristics.

Summary of Key Concepts on Earth’s Habitation

• Earth is exceptional due to its combination of liquid water, protective atmosphere, and ability to support complex life, making it uniquely "habitable" in our solar system.

This quiz introduces the Active Learning Module, outlining key competencies and knowledge expected from learners. It features sections designed to assess prior knowledge and prepare learners for new skills. Engage with various activities to enhance your learning experience.