{"product_id":"ball-and-ring-apparatus-for-demonstrating-laws-of-thermodynamics","title":"Ball and Ring Apparatus for Demonstrating Laws of Thermodynamics","description":"\u003cul\u003e\n\u003cli\u003eDemonstrate the Laws of Thermodynamics - This brass ball fits easily through the matching ring when they are both at room temperature. Heat the ball in a flame, and it expands so that it no longer fits through. Challenge your students to predict what will happen if you heat the ring instead!\u003c\/li\u003e\n\u003cli\u003eHint: Think about enlarging a photograph.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e⚠ Products being sold are not toys. They are for Educational \/ Laboratory use only. They are not for use by children 12 and under.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SciencePurchase","offers":[{"title":"Default Title","offer_id":47782386794733,"sku":"71EA7-198-A","price":7.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0571\/9136\/6829\/files\/71EA7-198-A.jpg?v=1740502914","url":"https:\/\/www.sciencepurchase.com\/products\/ball-and-ring-apparatus-for-demonstrating-laws-of-thermodynamics","provider":"SciencePurchase","version":"1.0","type":"link"}