All the fun of significant figures and conversions without any of the calories! *(updated 6/27/22)*

**Takin’ Data**: A general overview of the topics in the tutorials below.**Significant figures**: Chemistry teachers like to write “sig figs” on papers before writing “-1.” Find out how to avoid this fate by learning about significant figures, precision, and accuracy.**Significant Figures PPT**: Another explanation of significant figures for those of you who love slides. I don’t go over calculations here because I’ve come to the conclusion that they’re not all that important to know until you hit AP Chem. Your teacher may disagree.**Calculations involving significant figures:**For those of you who are fans of addition, subtraction, multiplication, and division, here’s a little something for you to enjoy.**Units and conversions**: Learn about SI units and how to convert between them. It’ll be fun!**Units (PowerPoint)**: Learn about SI/metric units, how to convert between them, and what the deal is with all those prefixes, all in handy PowerPoint form.**Drawing good graphs**: If you’re drawing a bar graph, hang your head in shame. If you want to learn how to make a graph that will get published in the finest scientific journals (i.e. your lab book), read on!

*Used with the kind permission of xkcd. Check out the site at www.xkcd.com, **because it’s awesome. Trust me.*

**Supplemental videos**: These videos are all over at the amazing Crash Course YouTube channel. I didn’t make these, though I wish I did.

**Crash Course Science #2: Units and significant figures**: I love this series of videos, and will be referring to them often.

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