La vitesse correspond à la distance parcourue par un objet ou un être vivant en un temps donné, par exemple en une seconde ou en une heure. À ce jour, rien ne peut voyager plus vite que la lumière. Sa vitesse est de 300 000 kilomètres par seconde, ce qui signifie qu'elle parcourt 300 000 kilomètres en une seconde. Et sur terre, le roi de la vitesse est le guépard avec des pointes de vitesse à 110 km/h... Pour en savoir plus, plongez vite dans ce nouveau titre de la collection.
15 questions essentielles pour aborder la science sans s'en rendre compte. À ces questions adaptées aux enfants, des réponses courtes et simples soutenues par des illustrations claires et précises. Pour aider à la compréhension du sujet, des activités ludiques et faciles à mettre en place.
Hardback, 37 pages.
We try to ship all orders within 24 hours. If an item is out of stock, we will contact you by email to advise you why we cannot ship immediately, give you an eta as to when we will ship, and to ask if we should back-order, substitute or issue a refund.
Domestic shipping within the U.S. - Ground orders are shipped by the post office priority mail or by FedEx and arrive in 2-5 business days. If shipping to a p.o. box, we can only ship by priority mail. Priority mail is normally 2-3 days delivery, but is not guaranteed. We will not require a signature for delivery release unless requested and we will email the tracking number so that you can know when the delivery occurs. We charge 5% of the cost of the order, minimum $7.00. 2nd day air orders - to be shipped out that day, the order must be received by 12 noon EST. We will ship by Fedex and the shipping address cannot be a p.o. box. We cannot ship 2nd day air to Puerto Rico, but priority mail is normally 2-3 days. We charge 10% of the cost of the order, minimum $15.00. Overnight orders must be received by 12:00 noon EST. The charge is for delivery by the end of the next day. We charge 15%, minimum $25.00.
International shipping - as the cost depends on both the weight and dimensions of the package, the online rates are an estimate. For the exact cost for both airmail and Fedex, please email us at polyglot@wor.com or call us at 404-233-4042 with the products you want to order and we can determine the exact cost. - otherwise the website will charge as detailed below:
Canadian Customers see the option of:Postal Service - 1-3 weeks - no real tracking - 20%, minimum $25.00.Expedited Service - 1-3 days with tracking number - 25%, minimum $35.00.All other International Customers see the option of:Postal Service - 1-3 weeks - no real tracking - 20%. minimum $35.00Expedited Service - 1-3 days with tracking number - 25%, minimum $45.00.
Software, DVDs, videos and audio CDs that are reported defective within 30 days of receipt, will be replaced - or refunded if no longer available and an exchange is not desired. We will issue a return postage only if the return is a result of our error.No other products are returnable if opened - unopened software, cds, videos and dvds are returnable within 30 days. If you receive any product that was sent in error – not ordered by you – we will send a prepaid and addressed envelope or box for its return.
For all returns and exchanges, please obtain a return authorization number from World of Reading and then return the product and original packing slip or invoice together with your return. Send to:
World of Reading, Ltd.
Attn: RETURN DEPT.
1119 Bonview Lane NE
Atlanta, GA 30324-2903
When packing items, they should be padded to ensure protection. Please note that returns must be packed well and received in non-damaged condition in order to receive a full credit. If damaged, we will only be able to issue a partial credit as we will need to discount the price for resale.
We recommend using a trackable shipping method to ensure that your merchandise is received by us.
If you paid by credit card, please allow one billing cycle for the credit to appear on your card. If you paid by check or money order, we must allow time for the check to have cleared before issuing a refund , which will then be mailed to you. We'll notify you via e-mail of your refund once we've received and processed the returned item.
