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Social science first term review!

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  • How long does it take the Earth to spin on its axis?
    It takes 24 hours.
  • Heat from the Sun turns water into vapour, what is it?
    It is evaporation.
  • What is the imaginary line that divides the Earth horizontally into the Northern and Southern Hemisphere?
    The equator.
  • What are the three water states?
    Solid, liquid and gas.
  • What are the four mineral properties that we have learned?
    The four properties are: hardness, luster, colour and shape.
  • Find two examples of liquid water.
    River, lakes, drinking water, oceans, seas...
  • What does it cause the Earth revolution?
    It causes the seasons.
  • How do we describe a mineral according to hardness?
    We describe it as hard or soft.
  • How is it called when the Earth spins around its axis?
    It is called rotation.
  • How do we describe a mineral according to shape?
    We describe it as regular or irregular.
  • How is it called the appearance of minerals?
    Habit.
  • How do we describe a mineral according to lustre?
    We describe it as shiny or matte.
  • The clouds release water in the form of rain, snow or hail. What is it?
    It is precipitation.
  • Name the earth layers.
    Crust, mantle, outer core and inner core.
  • TRUE OR FALSE: "The Earth rotates around the sun".
    It is false, " The Earth REVOLVES around the sun" or "The Earth rotates around its axis."
  • The axis is an imaginary line that goes from the __________ to the ___________.
    North Pole; South Pole
  • What is this?
    This is the water cycle.
  • How is it called the most important meridian?
    It is called Greenwich.
  • What is it? Rivers transport the water back to the ocean.
    Transportation.
  • What are the stages of a river?
    The stages of a river are upper course, middle course and lower course.
  • Name four water bodies.
    River, lakes, oceans and seas.
  • What does it cause the Earth rotation?
    It causes the day and the night.
  • What is the definition of lustre?
    How the surface of a mineral reflects light.
  • Name the 5 most important parallels.
    Arctic circle, tropic of cancer, equator, tropic of capricorn and antarctic circle.
  • Find two examples of solid water.
    Ice, snow or hailstones.
  • The Earth orbits around the Sun in a movement called ____________________.
    Revolution
  • What is it? Some of the water goes into the ground.
    It is filtration.
  • What is the difference between a mineral and a rock?
    The mineral is directly found in nature and the rocks are formed by a group of minerals.
  • The moon takes around _______ to revolve around the earth.
    28 days
  • What is the definition of hardness?
    Resistance to abrasion.
  • The Earth __________ around the sun.
    revolves
  • TRUE OR FALSE: "The sun revolves around the Earth." Why?
    It is false, "The Earth revolves around the Sun"
  • Rivers, oceans, seas and lakes are ______________.
    the water bodies
  • Explain the meaning of precipitation.
    The clouds release water in the form of rain, snow or hail.
  • How is the imaginary line that divides the Earth vertically into East and West called?
    Greenwich.