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Drill! Drill! Drill!. 1 – Name two different things that a chemistry lab neophyte might do their first time in the lab. 2 – Name 5 different things that a chemistry lab veteran might do when they are in the lab. Do this drill on the same piece of paper as your previous drill. A Math day.

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Drill! Drill! Drill!

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Drill drill drill

Drill! Drill! Drill!

1 – Name two different things that a chemistry lab neophyte might do their first time in the lab.

2 – Name 5 different things that a chemistry lab veteran might do when they are in the lab.

Do this drill on the same piece of paper as your previous drill.


A math day

A Math day

Math is fun!


The metric system base units

The Metric System Base Units


All the 1 prefixes

All the > 1 Prefixes


The 1 prefixes we ll actually use

The > 1 prefixes we’ll actually use

That’s it! You’re welcome!


All the 1 prefixes1

All the < 1 Prefixes


The 1 prefixes we ll actually use1

The < 1 prefixes we’ll actually use


A few tricks of the trade before we start today s activity

A few tricks of the trade before we start today’s activity

  • For the >1 prefixes  from big to small, each prefix is 1,000 times bigger than the previous one.

  • For the <1 prefixes  starting after milli-, each prefix is 1,000 times smaller than the previous one (also going from big to small).


A mnemonic for the 1 prefixes

A mnemonic for the >1 prefixes:

Good morning kids! Nothing!

Giga > mega > kilo > no unit

Part 1 of your homework is to think of a different, better mnemonic.


A mnemonic for the 1 prefixes1

A mnemonic for the <1 prefixes:

  • No! Does camp make men not phat?

  • No unit > deci- > centi- > milli- > micro- > nano > pico

  • Part 2 of your homework tonight: Yup, you each have to think of a better mnemonic than me for this one too.


Good mnemonics

Good mnemonics:

  • Are Funny

  • Or really dumb

  • Somewhat logical

  • Can’t have extra words

  • The individual that makes one up benefits the most from it


What are we actually doing today

What are we actually doing today?

Pull out your answers to last week’s lab stations.

Some of your measurements were made in pure units with no prefixes (seconds & grams).

Some of your measurements were made in units with prefixes (mL).

Ignore temperature measurements for this activity.


You are all shrinking

You are all shrinking…


Drill drill drill

Using my special teacher powers I have shrunk you all to the size of Escherichia Coli bacteria, about 1 μm.


If you want to return to your normal human size you must do this

If you want to return to your normal human size, you must do this:

8 minutes:

  • Convert each of your mass, time and volume measurements to μg, μs and μL.

  • Start with the measurements where you had no prefixes (do mL conversions last).

  • How? For now, you can just move the decimal point. Soon we’ll learn another way.


Good job you re getting bigger

Good job, you’re getting bigger


Oops too big you are now as big as the state of texas about 1 mm

Oops! Too big! You are now as big as the state of Texas, about 1 Mm

  • 8 minutes:

  • Convert each of your mass, time and volume measurements to Mg, Ms and ML.

  • Start with the measurements where you had no prefixes (do mL conversions last).


You can return to your human size again if you do some homework

You can return to your human size again, if you do some homework:

Due tomorrow:

  • Make 19 measurements (metric) at home.

  • Can’t have more than 5 of the same type (no more than 5 masses, volumes, distance & time measurements).

  • Convert masses, volumes & times to bigger and smaller unit of your choice.


Notebook check this friday

Notebook Check this Friday:

  • I will be looking for 4 sections:

    • Notes

    • Homework

    • Handouts

    • Projects & Labs

  • Papers should be in the right location

  • Notes should be dated

  • Any work turned in should have

    • Desk #

    • Date

    • Name

    • Class & period


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