This double-calibrated spring scale can be used for a mass activity (grams) or a forced activity (newtons).
Clear plastic tube allows students to see how the scale works and to easily read mass in either grams or newtons.
Spring scale can showcase Hooke's Law, a principle of physics that states that the force needed to extend or compress a spring by some distance is proportional to that distance.
Spring scale is a must-have asset that can be used for a wide variety of demonstrations for science classes or at-home learning.
We have a 7-day return policy, which means you have 7 days after purchasing your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at firstname.lastname@example.org or here. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return questions at email@example.com or here.
Damages and issues Please inspect your order upon reception and contact us here immediately if the item is defective, damaged or if you receive the wrong item so that we can evaluate the issue and make it right.
Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods, custom products (such as special orders or personalized items), and personal care goods. For a full list of which items are non-returnable please contact us here. We also do not accept returns for chemicals, hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
We reserve the right, at our sole discretion, to update, change or replace any part of these refund policies by posting updates and changes to our website.
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