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REVISION (GRADE 2)

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  • Where can we find water? Mention two water resources.
    Lake, sea, pond, river
  • How is ice produced?
    When water freezes, it turns into ice.
  • What is this building called?
    The Taj Mahal
  • Why can't we see air?
    Because it has no colour and no smell.
  • Which part of a plant is in the soil?
    The roots
  • How are these rocks different?
    They are different in textures.
  • What do we call the air that we breathe in?
    Oxygen
  • How does ice turn into water?
    When it melts
  • How is steam produced?
    When water boils, it produces steam.
  • What are slates and marbles used for?
    To build buildings, roofs, tiles
  • What do plants need to grow?
    Air, water, sunlight, soil
  • What makes the air polluted?
    Smoke and dust from factories and cars.
  • What characteristic of water is shown by the picture?
    Water takes the shape of its container.
  • What makes swimming ring float on the water?
    The air inside
  • What is this building called?
    The Great Pyramid of Giza.
  • Why is polluted air harmful?
    It can make us sick.
  • What are the uses of air?
    Air is needed for breathing, for burning, for moving things
  • Mention 3 things made of rocks.
    Building, bridge, statue, wall, etc.
  • What is produced when water boils?
    Steam
  • What is this building made of?
    White marble
  • [Sailboat, campfire, tyre] Which thing needs air for burning?
    Campfire
  • What rock was used to build this building?
    Limestone
  • TRUE or FALSE. These rocks are different in textures.
    FALSE
  • What do living things need to survive?
    Air, water, food
  • Mention two places where rocks are found!
    Cave, beach, mountain. etc.
  • Why does a swimmer need to leave his head up the water?
    To take in air / To breathe
  • What is the air we breathe out?
    Carbon dioxide/ CO2
  • What happens when honey is mixed with water?
    It changes the colour of the water.
  • How are these rocks different?
    They are different in sizes.
  • What are the examples of metamorphic rocks?
    Slates and marbles
  • What do plants get from the soil?
    Water and nutrients and support
  • What is the characteristic of polluted air?
    Polluted air is dirty and smelly.
  • What is the ground made of?
    Rocks and soil
  • [ Balloon, windmill. candle] Which thing needs air to work?
    Balloon
  • What is wind?
    Wind is moving air.
  • How are these rocks different?
    They are different in shapes.
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