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Science 3º primary UNIT 4: Photosynthesis

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  • What's is called when plants make their own food (sugars)?
    It's called Photosynthesis.
  • TRUE or FALSE: Photosynthesis occurs at night.
    FALSE: Plants must have sunlight.
  • TRUE of FALSE: When plants do photosynthesis they release the oxgen they do not need into the air.
    TRUE: During photosynthesis, plants take in carbon dioxide and release oxygen. (the oposite of respiration)
  • What do plants need for photosynthesis? (Clue: There are 5 things)
    Plants need 1) water, 2) carbon dioxide, 3) minerals, 4) chlorophyll in the leaves, and 5) sunlight.
  • Plants need water, carbon dioxide, _______________, chlorophyll in the leaves, and sunlight to make their own food.
    minerals
  • Plants need ___________, carbon dioxide, minerals, chlorophyll in the leaves, and sunlight to make their own food.
    water
  • Plants need water, carbon dioxide, minerals,_________ ___ ____ ______, and sunlight to make their own food.
    chlorophyll in the leaves
  • Plants need water, _________ ____________, minerals, chlorophyll in the leaves, and sunlight to make their own food.
    carbon dioxide
  • Plants need water, carbon dioxide, minerals, chlorophyll in the leaves, and ________________ to make their own food.
    sunlight