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Changes in Matter

  •  English    15     Public
    Changes in matter due to presence or absence of oxygen
  •   Study   Slideshow
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Cutting of paper
    B
  •  5
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Apple flesh changing color
    A
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Digestion of food
    A
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Making dresses
    B
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Iron turning yellowish brown
    A
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Rusting metal chain
    A
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Breaking of sticks into pieces
    B
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Hammering gold.
    B
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Spoilage of food.
    A
  •  15
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Stretching rubber band.
    B
  •  15
  • Write A if the statement is a beneficial effect of changes and B if not. Oxygen is used by the body in burning the nutrients that we need.
    A
  •  15
  • Write A if the statement is a beneficial effect of changes and B if not. Oxygen combines with iron to form rust.
    B
  •  15
  • Write A if the statement is a beneficial effect of changes and B if not. Dead plants and animals decompose to return nutrients to the soil.
    A
  •  15
  • Write A if the statement is a beneficial effect of changes and B if not. Forest fires happen in some areas.
    B
  •  15
  • Write A if the statement is a beneficial effect of changes and B if not. Oxygen prevents metals from welding together.
    B
  •  15