Unit 1: Introduction to Chemistry

In this segment, we outline the eight science and engineering practices of chemistry. Students also discuss qualitative and quantitative observations.

During this segment, we introduce two Science and Engineering Practices: Generating a Hypothesis and Developing a Model.

We explore the steps involved in creating and testing a hypothesis and introduce our third Science and Engineering Practice, planning and carrying out an investigation.

Experimental Design is explored as the terms manipulated variable, responding variable, and constant are discussed.

In this segment, students learn about the importance of lab safety procedures while performing an experiment testing the pH of various samples in the classroom.

Students analyze data collected in the last segment and interpret that data by constructing an argument that explains whether the data shows that their hypothesis should be supported or rejected. Significant figures are mentioned and the importance of data replication is also discussed.

In this segment, students engage in argumentation by either rejecting or supporting their hypotheses about the fish kill. We hear from environmental lawyer Don Stack, who discusses the role of chemistry in his profession.