Laboratory Report Format

1.Cover Sheet

•  Name, date, block, name of partner in top right corner 
• Title of lab in center of page

• brief abstract underneath title

2.Report write-up

• purpose: Write a statement that indicates what you want to find out by doing the lab
• Materials and equipment:
• Procedure:
• Data and observation
• Sample Calculations
• Discussion
• Sources of Error
• Conclusion: Include a brief formal statement, which lists your results and/ or what you have learned in the lab 

http://chemistry.about.com/od/chemistrylabexperiments/a/labreports.htm

 

Matter

What is matter?

Matter is anything that has mass, volume, and take up space.

Matter can be classified in two categories: Pure substances and Mixtures.

PURE SUBSTANCE

Pure substances has one set of properties and are one kind of particle.  They can be either elements or compounds.

A element is made of atoms and is the simplest form of a pure substance and con not be decomposed.  Elements are also separated in two categories of metal and non-metal.

Compounds are made of elements that are chemically combined.  They are the smallest particles of a molecule.  Compounds are classified as ionic and covalent compounds depending on what element that are combining with.

MIXTURE

Mixtures have sets of properties and are a mix of substances.  Two categories of mixtures are Homogeneous and Heterogeneous.  Homogeneous are uniform and appear to have only one component.  Heterogeneous are not uniform and appear to have more than one component. 

Physical Vs. Chemical Change

Physical changes are changes that result in no new substances are formed and are reversible.  Chemical changes are changes that new substances are formed and are not reversible.  For example, freezing water into ice is a physical change because no new substance is formed and the ice can be changed back into water.  Burning wood is a chemical change because it makes ashes and the new substance can not be changed back into wood.

Scientific Notation Review / Unitary Rates

Scientific Notation Review

Scientific Notation is used to express very large or very small numbers by using the powers of 10
For Example say that we want to express a in scientific notation.
A) 3210000 
First we look at the number and check the important numbers needed then we bring the decimal to the left
3.210000
Now remember how many spaces we moved to the left (6 times)  and then remove the zeros
3.21
Now we times it by 10 to the power of 6
3.21 X 10^{6                
and now your done =) (Still don't understand it? then check out thie video}

^{Unitary Rates}

Example:        If        1m     =    100 cm           
                                1m²     =    10000 cm                (100 X 100)

                                1m³     =    1000000 cm            (100 X 100 X 100)

Remember that when you square or cube the units, you also square the powers.