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Explore the unique properties of arches and why they have been used for centuries. Students build a standing catenary arch, and test the amount of weight it can support from the keystone. Supports NGSS (Next Generation Science Standards®) MS-PS2 Motion and Stability: Forces and Interactions. Includes materials to build the arch, a hook to support masses, and a description of the mathematics associated with the catenary arch, a hyperbolic cosine function (if explaining to advanced mathematics or physics students). Masses sold separately; see items #751451, #751448, and #751442.
*Next Generation Science Standards® is a registered trademark of WestEd. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
