Quick Quiz 8-30-10
Use Dimensional analysis to convert 50 miles to
centimeters meters (Hint: 1 Inch = 2.54cm).
Finish Dimensional Analysis WS. You will build on your knowledge of
Lab Equipment and how to use it.
Use Dimensional analysis(what I have been showing you the last two
days) to 22.5 meters to feet. (Hint: 1 Inch = 2.54cm)
Known and Unknown
50 miles = ? cm
Find conversion Factors
5280 feet = 1 mile
1 inch = 2.54 cm
12 inches = 1 foot
Convert meters to cm
50 miles
x
1
5280 ft.
Convert cm to inches
264,000 ft.
x
1
12 in.
= 264000 ft
1 mile
= 3,168,000 in.
1 ft.
Convert inches to feet
3,168,000 in.
2.54 cm.
x
1
1 in.
= 8,046,720 cm.
Finish Dimensional Analysis WS. You will build on your knowledge of
Lab Equipment and how to use it.
Quick Quiz 8-31-10
List the 4 most important safety rules in your
opinion and give the reason why (Must be at lease
3 sentences each).
You will gain understanding of the use of MSDS material and safety by
working on the Lab Safety Worksheet.
Quick Quiz 9-1-10
Write these Vocabulary words down (along with the definitions).
•Fire Extinguisher - a tank containing chemicals to put out a fire. Spray at the
base of a fire.
•MSDS - “material safety data sheet” gives detailed information on chemicals
•Goggles -used for eye protection from chemical and projectile hazards
•Fire Blanket - used to cover a fire and put it out.
•Eyewash - used to remove chemicals from the eyes
•Flask - glass container with a wider base than top
•Burette - a thin glass tube with measurement marks. Has a valve at the lower
end that allows a slow release of a volume of liquid with great accuracy
•Graduated Cylinder- glass cylinder marked to measure volume
•Balance- used to measure mass
•Beaker- glass container that is the same width top and bottom
•Thermometer -used to measure temperature
You will take the Safety Test then gain knowledge in the Sci. Method.
Extra Credit: demonstrate your understanding of the safety guidelines by completing a safety poster.
Quick Quiz 9-2-10
What is the proper procedure to follow if
someone has acid splashed on them?
Lab: Paper Tower Lab
Quick Quiz 9-3-10
Write these Vocabulary words down (along with the definitions).
Scientific Method – An orderly method for gaining, organizing , and applying
new knowledge.
Hypothesis – an educated answer to a scientifically valid question
Validity – well-grounded or justifiable; supported by objective truth
Procedure – the order and method of performing a task or series of tasks
Data – the qualitative or quantitative information gained by a researcher during
an investigation
Plan – a method for achieving an objective
Implement -to perform; carry out
Representative Data – Tested samples in an experiment or survey
Control Groups – The group in an experiment that remains the same and the
experimental variable is compared to it.
Variables – Values in an experiment or formula that can change.
While watching “Greatest Inventions with Bill Nye: Transportation“ please describe
how the technology has changed throughout the years using science.