Descripción
![Stubborn Stains](https://content.gnoss.ws/imagenesEnlaces/b6/b6e4/b6e4bad3-a8b6-4d92-8c56-59af2abfdc66/b6e4bad3-a8b6-4d92-8c56-59af2abfdc66.jpg?1)
See how effective a stain remover is in removing different types of stains (pencil, blue pen, tomato sauce, or soy sauce) on different types of fabrics (towel, jeans, or T-shirt). Which combination of cloth and stain will the stain remover remove the fastest?
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Autores
Autor Ora Chaiken
Categorias Ficha para imprimir, 8-10 años, Experimento/Práctica, Química, Science Fair - Education, Inglés add
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Data de publicação 27 / 08 / 2020
Licença Respeita a licença original do recurso.
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