Não gostou? Não há problema! Pode devolver no prazo de 30 dias
Não há como errar com um vale de oferta. O presenteado pode escolher qualquer produto da nossa oferta.
Política de devolução de 30 dias
* Using products: This manual is unique and different from all others in the market in that all of the experiments it contains can be done with chemicals and reagents found in drugstores, supermarkets, or convenience stores.* Using products: When possible, experiments are simply modified to utilize household chemicals. When substitutes are not available, new experiments have been designed.* Guided inquiry: One part of each experiment in the manual requires students to develop and carry out their own procedure for a given task. These guided inquiry sections also provide practical experience in reporting results with properly labeled plots, tables and diagrams.* Safety: Every experiment in the manual includes a safety section, which rates the toxicity, flammability, and exposure from 0 (low) to 3 (high) of all chemicals used * Prelab: Questions are intended to practice skills needed for the experiment* Postlab: Questions following each lab require students to think about the experiment and the results they've obtained.
Olá! Sou o Libroamiko, o seu conselheiro de livros.
Como posso ajudar?