Science

• Cassiopeia is found in the northern sky. The bright star of Cassiopeia will form a letter W or a letter M. It is also known as the queen of Ethiopia.
• Cepheus – found in the Northern hemisphere, the stars of Cepheus form a house. It is also called the King of Ethiopia
• Draco- a dragon Greek mythology. This dragon’s tail is found between these two asterisms
• Andromeda- is a constellation  in the northern hemisphere. Its stars are name comes from Princess Andromeda, the daughter of Cassiopeia in Greek mythology
• Perseus got its name from the Greek mythological hero who killed a monster called Medusa. This constellation is found in the Northern sky.
• Star that have the same size as the Sun are known as dwarf star.
• The biggest star s can be 10 times bigger than the Sun. These are called giant or supergiant stars
• The Big Dipper, however, is just an asterism, a prominent pattern of stars smaller than a constellation.  
• •Ursa Major

  Also called the

  Big Bear, it is a constellation near the North Pole.
• •Little Bear, which is known as Ursa Minor. The end of its asterism called the Little Dipper is found near Polaris.
• What are the intended learning outcomes of the study material?

  Describe different types of plate boundaries, explain processes along plate boundaries, and determine landforms produced in plate convergence.
• What causes the Earth's crust to break into smaller segments?

  The convection current in the Earth’s mantle.
• How are plate boundaries named?

  According to the relative movement of the plates with each other.
• What type of boundary is illustrated when arrows point toward each other?

  A convergent boundary.
• What type of boundary is illustrated when arrows point away from each other?

  A divergent boundary.
• What type of boundary is illustrated when arrows slide past each other?

  A transform fault boundary.
• What are the types of plate convergence?

  • Oceanic vs. Continental
  • Oceanic vs. Oceanic
  • Continental vs. Continental
• What is the composition of continental crust?

  It consists of granite and is less dense.
• What is the composition of oceanic crust?

  It consists of basalt and is very dense.
• What happens when oceanic crust converges with continental crust?

  A trench is formed, and the oceanic crust subducts under the continental crust.
• What is formed at the mantle when the oceanic crust subducts?


  The leading edge of the subducting plate melts and turns into magma.
• What is a mantle plume?


  A column of rising magma that builds up pressure and pushes the ground above it.
• What is formed at the surface of the continental crust due to subduction?

  A group of volcanoes called a volcanic arc.
• What happens to the water during subduction that can be dangerous?

  The water may flip or kick upwards, potentially causing a tsunami.
• What occurs during the convergence of two oceanic crusts?

  One oceanic crust subducts under the other, forming a trench.
• What geological events may occur due to the convergence of two oceanic crusts?

  Tsunamis and earthquakes may occur.
• What happens to the volcano formed from subducting oceanic crust?


  The volcano moves with the plate and becomes extinct when it is no longer above the magma deposit.
• What is a volcanic island arc?


  A series of volcanoes surrounded by water formed from the convergence of two oceanic crusts.
• What results from the convergence of continental crusts?

  A collision zone that causes shallow earthquakes and forms a fault.
• Why is there no subduction in the convergence of continental crusts?

  Because both plates have the same densities.
• What landforms are produced from the convergence of continental crusts?

  A group of high landforms called mountain ranges.