This bimetallic strip physical experiment instrument is an essential tool for middle school physics experiments and teaching. It features sturdy copper and iron strips that demonstrate thermal expansivity properties. The device is designed to help students understand the principles of thermal expansion and contraction in metals, making it an addition to any science classroom. Features -Color:Assorted Color -Material:Wood, copper, iron -Size:22.30X2.30X2.30cm/8.76X0.90X0.90in -sturdy instrument: this bimetallic strip physical experiment instrument is crafted with sturdy materials, ensuring durability and reliability for middle school physics experiments -Accurate results: the bimetallic strip design provides precise and consistent results, making it an essential tool for conducting various physics experiments in educational settings -Versatile usage: suitable for a wide range of physics experiments, this instrument supports comprehensive middle school physics education, enhancing students' learning experience -Durable and easy to use: built to withstand regular use, this instrument is user friendly and ideal for students, allowing them to focus on learning without technical difficulties -Comprehensive teaching support: this instrument offers extensive support for middle school physics teaching, helping educators deliver and engaging lessons Package list: 3 x Bimetallic sheet device