Rasta Science Teacher

4/20 is equal to 1/5

4/20 is equal to 1/5  Rasta Science Teacher

Does anybody want an 8th edition textbook? The 7th edition has a lot of errors.

Does anybody want an 8th edition textbook?  The 7th edition has a lot of errors.  Rasta Science Teacher

Hey, mon, it's 420 degrees celcius. now convert that to kelvin.

Hey, mon, it's 420 degrees celcius. now convert that to kelvin.  Rasta Science Teacher

Let's light up the Bunsen burners to heat up this unknown solution.

Let's light up the Bunsen burners to heat up this unknown solution.  Rasta Science Teacher

20 per gram is the ratio in this solution

20 per gram is the ratio in this solution  Rasta Science Teacher

Let's drop acid into the unknown solution, so that the titration can be completed

Let's drop acid into the unknown solution, so that the titration can be completed  Rasta Science Teacher

Spends his time gettin high school students to learn chemistry

Spends his time gettin high school students to learn chemistry  Rasta Science Teacher

I have a bud Coming to town next week so I might be late grading your papers.

I have a bud Coming to town next week so I might be late grading your papers.  Rasta Science Teacher

jah bless is what you'll be if you fail my class

jah bless is what you'll be if you fail my class  Rasta Science Teacher

Get Up Stand Up there's a fire drill and we need to go outside

Get Up
Stand Up there's a fire drill and we need to go outside  Rasta Science Teacher