Physical / Chemical Physical / Chemical ReactionsReactions

Directions:Directions:

You will view several chemical reactions. You will view several chemical reactions.

Take notes on what you observe about Take notes on what you observe about these reactions in your lab journal. The these reactions in your lab journal. The more detailed the notes…the better. more detailed the notes…the better. Reminder…listen for key words!!!!Reminder…listen for key words!!!!

The processing piece is at the end of the The processing piece is at the end of the lab!lab!

Evidence of Chemical Evidence of Chemical ReactionsReactions

http://www.youtube.com/watch?v=gs0j1EZJ1Uc

Evidence ContinuedEvidence Continued

http://www.youtube.com/watch?v=QBbSoZBG5zo&feature=relmfu

Cesium and WaterCesium and Water

Click here for reaction

Sodium and WaterSodium and Water

http://www.youtube.com/watch?v=3dqRzvk2GwY&feature=related

Sodium Iodide & Mercury (II) Sodium Iodide & Mercury (II) ChlorideChloride

Click here for clipClick here for clip

Oxidation of GlycerinOxidation of Glycerin

Click here for clipClick here for clip

The Great Sheldon PrankThe Great Sheldon Prank

Hydrogen Peroxide and Potassium IodideHydrogen Peroxide and Potassium Iodide

http://www.youtube.com/watch?v=L9CJHO-http://www.youtube.com/watch?v=L9CJHO-uBgcuBgc

Ice BombIce Bomb

The following video is an example of a The following video is an example of a PHYSICAL CHANGE!!!! As you watch the PHYSICAL CHANGE!!!! As you watch the video, ask yourself…why is this physical video, ask yourself…why is this physical and not chemical!!!and not chemical!!!

http://www.youtube.com/watch?http://www.youtube.com/watch?v=erlZb8QiPkgv=erlZb8QiPkg

Dry Ice BubbleDry Ice Bubble

Another physical change!!!! Again, think of Another physical change!!!! Again, think of why it is physical and not chemical!!!why it is physical and not chemical!!!

He makes a comment about trying this at He makes a comment about trying this at home. I do not recommend doing this. home. I do not recommend doing this. Should you choose to do so…you need to Should you choose to do so…you need to have parent permission and supervision!!have parent permission and supervision!!

http://www.youtube.com/watch?http://www.youtube.com/watch?v=76CNkxizQucv=76CNkxizQuc

Processing part 1Processing part 1You will make an acrostic poem using the word You will make an acrostic poem using the word PHYSICAL and CHEMICAL. Use words or phrases PHYSICAL and CHEMICAL. Use words or phrases that start with each letter. Do this in your journal.that start with each letter. Do this in your journal.

PP CC example:example:

HH HH SShoes must be closed toedhoes must be closed toed

YY EE AAprons must be wornprons must be worn

SS MM FFirst read directionsirst read directions

CC II EEveryone must wear gogglesveryone must wear goggles

AA CC TTo smell a chemical - wafto smell a chemical - waft

LL AA YYou should tie back hairou should tie back hair

LL