Název:	Experimenting with hydrogel at elementary school
Autoři:	Panagiotakopoulos, C. Vasko, Kateřina
Citace zdrojového dokumentu:	VASKO, K. Experimenting with hydrogel at elementary school. In Panagiotakopoulos, C. 7o PANELLINIO SINEDRIO «ENTAXI KAI KHRISI TON TPE STIN EKPAIDITIKI DIADIKASIA». Patras: University of Patras, 2022. s. 1301-1305. ISBN: 978-618-83186-7-0 , ISSN: 2529-0924
Datum vydání:	2022
Nakladatel:	University of Patras
Typ dokumentu:	konferenční příspěvek ConferenceObject
URI:	http://hdl.handle.net/11025/51731
ISBN:	978-618-83186-7-0
ISSN:	2529-0924
Klíčová slova v dalším jazyce:	elementary school;experiments;hydrogel;planting
Abstrakt v dalším jazyce:	A hydrogel is an artificially formed crosslinked polymer consisting of potassium polyacrylate. Hydrogels are a part of human’s everyday life, for example it is a part in diapers, hydrating hydrogel compresses or contact lenses. The coarse hydrogel used in the experiments is an ecological, biodegradable and nontoxic product with a neutral pH, which can be used on any plants and crops that like moist soil. The most important feature of the hydrogel is the ability to absorb up to 300 times its volume. For example, hydrogel can retain more rainwater than the soil and can supply moisture to plants for a longer period. Hydrogel can be used in both closed containers and open space of a garden. The absorbency of the hydrogel depends on the hardness and purity of the used water. In combination with rainwater or distilled water it usually achieves the best results.
Práva:	© authors
Vyskytuje se v kolekcích:	Konferenční příspěvky / Conference papers (KMT) OBD

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