Wiki+Assignment+2013-14

=Phase Changes=

EXAMPLES:

 * Dry ice sublimes from solid CO2 to gas CO2 (carbon dioxide) - Leslie 9/18
 * ice cream cold ernest
 * Gas to plasma (ionization) stars and the sun - Jazmin 9/20
 * Glass (melting) - Jessica 9/20
 * Gas to liquid - condensation, making liquid nitrogen -cristal 9/20

=Physical or Chemical Change=

PHYSICAL Change:

 * Tearing paper: It is still paper and can be recycled to make whole paper again - Leslie 9/18
 * Crushing a can - Jazmin 9/20
 * Breaking apart a graham cracker: It's still a cracker- Allen 9/20
 * mixing red paint and blue paint: its still paint -cristal 9/20
 * crushing a peanut still a peanut Ernesto

CHEMICAL Change:

 * Mixing Alka-seltzer and water: Bubbles are formed - Leslie 9/18
 * Cooking an egg - Jazmin 9/20
 * Burning up the graham cracker: It's only ash - Allen 9/20
 * when you burn propane you get fire Ernesto
 * fire works; burnt -cristal 9/20

=Types of Matter=

ELEMENTS:
Oxygen - Jonathan 9/20
 * Hydrogen (H) - Leslie 9/18
 * Nitrogen (N) - Marissa 9/19
 * Helium- Jazmin 9/20
 * Carbon - Ernesto 9/20
 * Aluminium - Allen 9/20
 * Iron - Jessica 9/20
 * Molybdenum(MO) -cristal 9/20

COMPOUNDS:

 * Water (H2O) - Leslie 9/18
 * Carbon Dioxide (CO2) - Marissa 9/19
 * Hydrocarbons- Jazmin 9/20
 * Propane - Ernesto 9/20
 * Hydron Dioxide - Allen 9/20
 * Salt - Jessica 9/20
 * sucrose -cristal

HETEROGENEOUS Mixture:

 * Trail mix (peanuts, raisins, ...) - Leslie 9/18
 * **Beach sand** (rock variety, sand etc) - Marissa 9/19
 * oil & Water - Jazmin 9/20
 * Sunday Ice cream - Ernesto 9/20
 * Rocks and pebble - Allen 9/20
 * Granite - Jessica 9/20
 * blood; blood cells are physically separate from the blood plasma -cristal 9/20

HOMOGENEOUS Mixture:

 * Salt water (NaCl dissolved in H2O) - Leslie 9/18
 * Sugar water - Marissa 9/19
 * Wine - Jazmin 9/20
 * Kool Aid - Ernesto 9/20
 * Lemonade - Allen 9/20
 * orange juice with no pulp - Jessica 9/20
 * white gold -cristal 9/20

=Wiki Assignment 2014-15=

Phase changes

EXAMPLES:

 * Dry ice sublimes from solid CO2 to gas CO2 (carbon dioxide) - Leslie 9/22
 * Chocolate melting - quetzali 9/23
 * butter melting- Ana G 9/23
 * cooling plastic - Ana B
 * lava is liquid rock ishmael 9/23
 * cheese melts from solid to liquid - Valentino 9/23
 * Ice cream melting 10/1/14
 * Ice cream melting 10/1/14

PHYSICAL Change:

 * Tearing paper: It is still paper and can be recycled to make whole paper again - Leslie 9/22
 * Hammering wood together to build a house. Still wood Brenda 9/23/14
 * bleaching your hair - Ana B 9/23 **[Isn't color change a sign of a chemical change? - Leslie]**
 * melting ice cream- Ana G 9/23
 * straighting curly hair- Neci W 9/23
 * Boiling water because its Reversable - Ishmael
 * molding clay - Valentino 9/23

CHEMICAL Change:

 * Mixing Alka-seltzer and water: Bubbles are formed - Leslie 9/22
 * Spoiling food . Changes color ,smell Brenda 9/23/14
 * frying an egg - Ana B 9/23
 * fire explosion- Ana G 9/23
 * water evaporating-: water is boiled and forms gas bubbles and disappears- Neci 9/23
 * Rusting of tires -Valentino 9/23 (changes color)

ELEMENTS:

 * Hydrogen (H) - Leslie 9/22
 * helium (HE) - Quetzali 9/23
 * sodium (NA) - Ana G 9/23
 * Chlorine(Cl)- Neci 9/23
 * silver (AG) - Valentino 9/23
 * Tin (SN) - Brenda 10/1/14

COMPOUNDS:

 * Water (H2O) - Leslie 9/22
 * Aluminum sulphide- quetzali 9/23
 * Tide - Ana G 9/23
 * carbon monoxide- Neci 9/23
 * Bleach - Valentino 9/23
 * Salt NaCl Brenda 10/1/14

HETEROGENEOUS Mixture:

 * Trail mix (peanuts, raisins, ...) - Leslie 9/22
 * junk drawer( everything) quetzali 9/23
 * salad - Ana G 9/23
 * pasta( Meat,vegtables ,noodles)- Neci 9/23
 * fruit basket - Valentino 9/23
 * Rice and Beans(mix together) Brenda 10/1/14

HOMOGENEOUS Mixture:

 * Salt water (NaCl dissolved in H2O) - Leslie 9/22
 * Koolaid (powder in water) - quetzali 9/23
 * Chocolate milk- Ana G 9/23
 * cake batter-Neci 9/23
 * jiffy mix - Valentino 9/23
 * Coffee and Milk -10/1/14