This is my complete introductory unit for high school chemistry. It is essentially an introduction to experimental science, so it can be used at the beginning of any science course, or as a stand-alone unit. The download contains:

Topic 1: Doing Science: Introduces the scientific method in a real way. Contains a 23-slide powerpoint (.ppt), and short quiz.

Topic 2: Observations and Measurements: Students begin to observe as scientists. Contains an 11-slide powerpoint and 2 labs w/ teacher's guide.

Topic 3: Designing a Lab: Students learn the process of writing up a formal, inquiry lab report. Contains a powerpoint and lab w/ teacher's guide.

Topic 4: Unit Conversions: An easy introduction to dimensional analysis. Contains a 35-slide powerpoint, worksheet and key, and a short quiz.

Topic 5: Significant Digits. Contains a 30-slide powerpoint, worksheet and key, and a short quiz.

Topic 6: Scientific notation. Contains a 15-slide powerpoint, worksheet and key, and a short quiz.

Unit Test: This is an 11-question test covering the content of the unit. Answer key included. (.doc)

Each of these are also available separately.