Second Grade Lesson 5.1 Changes Caused by Heating and Cooling

Students warm butter until it melts and then cool it until it turns hard again as they investigate the question: How do substances change when they are warmed and cooled? Inquiry in Action is a free teacher resource of fully-developed lesson plans in physical science for grades K-5. Find this lesson plan and many more at https://www.acs.org/inquiryinaction. Produced by the American Chemical Society, the world’s largest scientific society. ACS is a global leader in providing access to chemistry-related information and research through its multiple databases, peer-reviewed journals and scientific conferences. Join the American Chemical Society! https://bit.ly/Join_ACS.