today is september 27, 2013

Today is September 27, 2013•Get your notebook off the shelf and finish the questions from our Molecule Activity on Page 23. Make sure everything is glued in and DONE in your notebook. You have a notebook check today. •You also have a quiz today! So if your done, review your Reading and Graphic Organizer to study for this quiz. •You need to know:

What’s a mixture? What’s a compound? What‘s a element? What’s a molecule?

Elements• Pure substance that cannot be separated into

simpler substance by physical or chemical means.• Only has ONE CAPITAL LETTER

CompoundsPure substance composed of two or more different

elements joined by chemical bonds.–Has a chemical formula–Can only be separated by chemical means, not physically–Compounds have their own physical and

chemical properties that are different from other substances– The Chemical formula has TWO OR MORE

CAPITAL LETTERS.

H2O CO2NaCl

Mixtures• A combination of two or more pure substances

that are not chemically combined.• substances held together by physical forces, not

chemical • No chemical change takes place • Each item retains its properties

in the mixture • They can be separated physically

Chem4kids.com

Element, Compound, or Mixture?Cereal

Element, Compound, or Mixture?Cereal

Element, Compound, or Mixture?

Copper

Element, Compound, or Mixture?

CopperCu

Element, Compound, or Mixture?

Jelly Beans

Element, Compound, or Mixture?

Jelly Beans

Element, Compound, or Mixture?

Table Sugar

Element, Compound, or Mixture?

Table Sugar

C 12H 22O 11

Element, Compound, or Mixture?

Diamond

Element, Compound, or Mixture?

DiamondC

Element, Compound, or Mixture?

Tea

Element, Compound, or Mixture?

Tea

Element, Compound, or Mixture?

Salt

Element, Compound, or Mixture?

SaltNaCl

Element, Compound, or Mixture?

Neon Gas

Element, Compound, or Mixture?

Neon GasNe

Element, Compound, or Mixture?

Salad

Element, Compound, or Mixture?

Salad

Element, Compound, or Mixture?

Pure Water

Element, Compound, or Mixture?

Pure WaterH 2O

Element, Compound, or Mixture?

Aluminum

Element, Compound, or Mixture?

AluminumAl

Element, Compound, or Mixture?

Lemonade

Element, Compound, or Mixture?

Lemonade

Element, Compound, or Mixture?

Silver

Element, Compound, or Mixture?

SilverAg

Element, Compound, or Mixture?

Sand

Element, Compound, or Mixture?

Sand

Element or Compound?

Cl3

Element or Compound?

Cl3

Element or Compound?

NH3

Element or Compound?

NH3

Element or Compound?

CH4

Element or Compound?

CH4

Element or Compound?

N4

Element or Compound?

N4

Element or Compound?

FeN4

Element or Compound?

FeN4

CO2

CO2CO2

CO2

NN

N

N

NH2O

H2O

H2O

H2O

Element, Compound, or Mixture?

CO2

CO2CO2

CO2

NN

N

N

NH2O

H2O

H2O

H2O

Element, Compound, or Mixture?

Good Luck! • If you finish you may read or do work from another

class. • If you have finished your book and have no work go

to https://todaysmeet.com/chemical • Click on the link under Listen and watch the video

on fireworks. YOU MUST USE YOUR HEADPHONES!