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Chemistry Journal 1st Quarter

Journal Topics and Dates

8/27/01,8/28/01-Do you see a man who speaks in haste? There is more hope for a fool than him.
Proverbs 29:5 Verse 20
Write your thoughts and feelings on this verse in your journals.

1) What does it take to be a leader?
2) How does one become a leader?

8/29/01-8/30/01-Read "Tasty Manure Solution" Pull out scientific information from and place it in your journals.

1) What is chemistry?
2) List the steps of the scientific method.

Closure:
1) Name 2 branches of chemistry.
2) Give 2 practical applications of chemistry.

"Tasty Manure" article

9/4/01-9/05/01-Read the article "Chemical Reaction" and place the scientific information in your journal.

1) Why is chemistry considered a central science?
2) Why are measurements considered uncertain?

Close:
1) Describe two ways you can check for accuracy in measurements.

Chemical Reaction article link

9/6/01,9/7/01-Questions
1) What is the SI unit for mass?
2) What are SI units?
3) Write the equation for percent error.

9/10/01, 9/17/01-Read over the "Chemistry Bainteasers" and using the scientific method, determine the proper answer and place in your journal.

1) How can you calculate the density of an object?
2) Considering the density of air is 0.0013 g/cm3 and the volume is 300.0 cm3, what is the mass?
3) Using ratios: Suppose a bottle of coke costs $1.25 for 14 ounces and pepsi costs $1.65 for 18 ounces. Which brand is cheaper by ounce?

Close:
1) Define accepted value.
2) What is an experimental control?

Chemistry Brainteasers Link

9/13/01 and 9/19/01-Read the Article on "Isotopes: Better migration through chemsitry" and pull out all relevant scientific information to be placed in your journal.

1) What is the difference between a derived unit and a basic unit in the metric system? Give an example of each.

Closure:
1) What is an experimental control?
2) Define accepted value.

Isotopes: Better Migration Through Chemistry

9/24/01-9/25/01-Warmup:
1) What is scientific notation?
2) What are significant digits?

9/26/01, 9/27/01
1) Place the following numbers into scietific notation:
a) 68,699,000 g
b) 76 m
c) 4,309 mm
d) 0.000987445 micrometers
e) 0.66733001 cg
2) What is the Law of Conservation of Energy?
3) What was the energy use of the United States in 1996?

~Identify the 4 phases of matter

9/28/01,10/01/01
1) What point on the Kelvin scale corresponds to -273.15 degrees Celsius. What is this point called?
2) Your recipe for cooking lasagna calls for 1 hour of cooking at 325 degrees farhenheit. Convert this temperature to Kelvin and Celsius.
3) Give some characteristics of the states of matter.

Read say "Hi to Hydrogen" and answer the following questions:
1) How do we stop making carbon dioxide?
2) Why is this resource considered a closed loop?
3) How does this device work?
4) What is the most important aspect of this article?

"Say Hi to Hydrogen article"

10/02/01,10/03/01
1) What is the law of the conservation of mass?
2) What is an element?
3) What is a pure substance?
4) What is a compound?

10/04/01, 10/09/01
1) What is the law of the conservation of matter?
2) Explain figure 2-18 on page 73. (This will generate a mini-class discussion)
3) Describe the differences between physical changes and chemical changes.

10/10/01, 10/11/01-Warmup
1) What is the difference between an element and a compound?
2) What is a pure substance?
3) Describe the differences between heterogeneous and homogeneous mixtures.
4) What is a mixture?

10/12/01, 10/15/01-Warmup
1) Sugar consists of carbon, hydrogen, and oxygen. Is sugar an element or a compound?
2) How can we separate components of a mixture?
3) A students uses 55 J of energy putting books on a shelf in the classroom. Convert this amount of energy from joules to calories.

Journals and Quarter Articles are DUE next Thurday the 18th and Friday the 19th Respectively!! You must have 5 articles taped and explained in your journal!

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