Chemistry: Chapter 2
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How do you measure the volume of an irregular shaped object?
You must submerge it

How do you find Displacement?:
(3)
 Find the initial volume before the object
 Find the volume after displacing water
 Subtract the final volume from the initial volume

How is mass measured?
By a pan balance

When using a Balance why do you do the Weigh Subtraction method?
You remove the error in the balance

What are the measurements of Temperature?

The range from freezing point to boiling point on this scale is 32 to 212 degrees
Fahrenheit

The range from freezing point to boiling point on this scale is 0 to 100 degrees
Celsius

Why is the metric system better?
(3)
 1 Unit of measurement for each physical quantity
 Based on 10's
 It's universal

Other countries refuse to buy our products if the product is labeled with...
Metric Units

How close a measurement is to the accepted value
Correct
Accuracy

How close a series of measurements are to each other
Repeated
Precision

What is this an example of?:
1 quiz does not define how well you're going to do this year
Accuracy

What is this an example of?:
Getting a good grade on every test shows you're going to do well this year
Precision

What is the purpose of a Significant Figure?
Describes how accurate and precise the tool is

What is the purpose of Scientific Notation?
(2)
 To simplify large #'s
 To show significant figures

What is the purpose of dimension analysis?
To convert one unit to another

How to multiply/divide numbers?
Multiply/divide and then your answer should look like one of the numbers with the least amount of significant figures

How to add/subtract numbers?
Add/subtract and your answer should look like one of the numbers with the least amount of numbers to the right of the decimal