An introduction to important concepts in Chemistry was given. We discussed common units of measurement, base SI units and converting from one to another. Some examples and practice questions were given involving mass, volume and density. We reviewed scientific notation and discussed why it's important to use in Chemistry and did several example problems. Issues with errors in measurement, precision, accuracy and significant figures were also discussed, and some example problems calculating measurements that had the appropriate number of significant figures were demonstrated. We also covered dimensional analysis using conversion factors with several examples and some practice questions. We ended with a discussion on the physical and chemical properties of matter.