Lesson 2
Table of Contents
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Lesson 2 Home Page
Preliminary Information
Pretests
Pretest Information
Evaluating Prestests
Conversion Calculations Pretest
Density Calculations Pretest
Describing Materials and Objects
Measurement
Properties We Measure
Length
Volume
Mass
Metric System Summary
Making Measurements
Estimating Measurements
Precision
Practice Reading Between the Lines
Significant Digits
Measured Values You Write
Measured Values You Read
Vernier Scales
Using Balances
General Rules for Using Balances
Dial-O-Gram Balance
Using the Vernier Scale
Steps (Dial-O-Gram)
Electronic Top-Loading Balance
Volume Measurements
Liquids in Graduated Cylinders
The Meniscus
Volume of Solids
Temperature Measurement
Density
Definition
Lab Work
Quick Quiz - Density
Calculations
Significant Digits in Calculations
Rounding Off - General Guidelines
Rounding Off After Addition and Subtraction
Rounding Off After Multiplication and Division
Quick Quiz - Rounding Off
Eliminating Zeros as Placeholders
Exponents
Scientific Notation
Large Numbers
Small Numbers
Zeros
Adjusting the Decimal Place
Scientific Notation on Calculators
Quick Quiz - Scientific Notation Calculations
Conversion Factors
A Simple Example
Metric Conversions
Metric Units
Quick Quiz - Metric Units
Metric Conversion Factors
Quick Quiz - Metric Conversions
Metric-American Conversions
Multistep Conversions
Quick Quiz Metric-American Conversions
Density Conversions
Density as a Conversion Factor
Algebraic Approach
Quick Quiz - Density Conversions
Wrap-Up
Lab Report
Self Quiz
Self Quiz Answers
