[M1] Origin and Structure of the Earth (The Planet)

• What are the factors that make the planet habitable?

  1. Temperature influences how quickly atoms and molecules move.
• What are the factors that make the planet habitable?

  2. Atmosphere
• What are the factors that make the planet habitable?

  3. Energy
• What are the factors that make the planet habitable?

  4. Nutrients used to build and maintain an organism’s body.
• Reason why Planet Earth is unique:

  1. It has liquid water
• Reason why Planet Earth is unique:

  2. surface or lithosphere which includes the crust and the upper mantle
• Reason why Planet Earth is unique:

  3. It has atmosphere that shelters it from the worst of the sun’s rays.
• About 70% of the surface of the Earth is covered by liquid or frozen water
• Earth is sometimes called “blue planet.”
• Planet Earth is habitable because it has the right distance from the sun.
• E.V.M. similarities:

  1. They all are terrestrial planets, made of solid rocks and silicates;
• E.V.M. similarities:

  2. They all have an atmosphere;
• E.V.M. similarities:

  3. They all almost have the same time to rotate on their axes;
• E.V.M. similarities:

  4. Earth and Mars both have water;
• E.V.M. similarities:

  5. They all have carbon dioxide
• E.V.M. similarities:

  6. All have landforms.
• E.V.M. differences:

  1. Venus has no water;
• E.V.M. differences:

  2. Venus and Mars don’t have oxygen
• E.V.M. differences:

  3. Earth has life forms.
• Planet Earth is considered habitable because of the following reasons:

  1. it has the right distance from the sun;
• Planet Earth is considered habitable because of the following reasons:

  2. it is protected from harmful solar radiation by its magnetic field
• Planet Earth is considered habitable because of the following reasons:

  3. it is kept warm by an insulating atmosphere;
• Planet Earth is considered habitable because of the following reasons:

  4. it has the right amount of ingredients for life, including water and carbon.
• Earth is different from other planets in a way that it is the only planet with liquid water on the surface