chemistry vocab 8-13-25

rounding off

reduce to fewer digits

conversion factor

ratio that expresses the relationship between two different units of measurement

equivalence statement

shows that two different expressions represent the same value

dimensional analysis

Changing from one unit to another using conversion factors

Fahrenheit scale

a way to measure temperature that's mostly used in the U.S., the U.K, and in many engineering fields; water freezes at 32°F

Celsius scale

a temperature scale used in most countries and in science worldwide; water freezes at 0°C

Kelvin (absolute) scale

a temperature scale used in science that starts at absolute zero

density

how much mass is packed into a certain amount of space

specific gravity

compares how heavy something is to water at 4°C