Grey Water Lab

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Kevin Guillermo Period 2 THE GREY WATER LAB: A LOOK AT THE EFFECTS OF GREY WATER ON CHERRY BELLE RADISH SEEDS Purpose: To study the effects of various concentrations of grey water on the growth of Cherry Belle Radish Seeds. Background Information: Greywater gets its name from its cloudy appearance and from its status as being between fresh, potable water (known as "white water") and sewage water (“black water"). In a household context, greywater is the leftover water from baths, showers, hand basins and washing machines only. Some definitions of greywater include water from the kitchen sink. Any water containing human waste is considered black water. Greywater is important since that earth has become low on certain fossil fuels. Grey water has more than just H2O but less of the harmful stuff that makes you sick. Today, this waste water is referred to as greywater. Greywater is all the waste water generated in your home, excluding water going down the toilet. Instead of just using fresh water once, all the soapy water could potentially be used for something else. It may look “dirty,” but it is safe and even beneficial. Black water is the dirty water from a toilet. Due to its high level of toxins, it’s not used in a greywater system and must be treated in a sewer or septic system. The scientific name of the Cherry Belle Radish seeds is Raphanus sativus. The process of germination of the radishes is first plant the seeds 1/4 of an inch below the soil. Water them and keep them moist not soaked. The water will enter the tiny opening on the seed called the micropyle. This will activate the dormant embryo plant and soften the seed coat. The plant will push through the coat opening the cotyledons (seed leaves). Once above ground it will shed the cotyledons and grow into a radish plant. Some uses of radishes is the root is used as food and also as medicine.

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