MODULE 1 COMPLETE STUDY GUIDE
LECTURE NOTES PRACTICE
QUESTIONS SOLUTIONS and EXAM
REVIEW 2026 EDITION
round the result to the same number of digits as the number with the least
number of significant figures
dimensional analysis - CORRECT ANSWER-requires that we multiply
both numbers and units
units "cancel out"
conversion factor - CORRECT ANSWER-a ratio of equivalent
measurements used to convert a quantity from one unit to another
When set up correctly, the original unit is cancelled out, and the result will
contain the sought (converted) unit
converson factors and significant figures - CORRECT ANSWER-treat
conversion factors as exact numbers, they don't influence significant figures
, temperature is the... - CORRECT ANSWER-hotness or coldness of a
substance
reference values for temperature - CORRECT ANSWER-freezing point
and boiling point of water at a specified atmospheric pressure
Celcius scale (°C) - CORRECT ANSWER-freezing point of water: 0°C
boiling point of water: 100°C
Fahrenheit scale (°F) - CORRECT ANSWER-freezing point of water:
32°F
boiling point of water: 212°F
kelvin scale (K) - CORRECT ANSWER-freezing point of water: 273.15K
boiling point of water: 373.15K
3 states of matter - CORRECT ANSWER-- solid - fixed shape and
volume
- liquid - takes the shape of the container, has a fixed volume, forms a
horizontal surface
- gas - takes shape and volume of container
Matter (definition) - CORRECT ANSWER-anything that occupies space
and has mass
Mass (definition) - CORRECT ANSWER-A measure of the amount of
matter in an object