Unit 1 (Math Concepts, Units of Measurement, Dimensional Analysis)

Chemistry

What is the acronym for metric units?

King Henry Died by drinking chocolate milk

What’s the number you add to go from Celsius to Kelvin?

273

Rounding for addition/subtraction always follows…

the least amount of decimals

Rounding for multiplication/division always follows…

the least amount of sig figs

Chemistry

The study of matter and the changes it goes through

SI Units

International system of measurement used by scientists

Accuracy

How close a measured value is to the accepted value

Precision

How close a series of measurements are to each other

Percent Error

( | Accepted value - experimental value | / Accepted value ) * 100

Line/Scatter Graph

Use when you have numerical data on both axes

Meter

SI unit of length

Gram

SI unit of mass

Mole

SI unit of amount of substance

Graph

Visual display of data

Bar/Column Graph

Use when there are categories along the x-axis

Pie/Circle Graph

Use when you’re graphing percentages of a whole

Density

Physical property of matter that expresses the relationship between mass and volume

Quantitative

Data that is numeric

Qualitative

Data that is descriptive

Second

SI unit of time

Liter

SI unit of volume

Kelvin

SI unit of temperature

Dimensional Analysis

Method of solving that focuses on the units used to describe matter

g/cm³

Density of solids

g/mL

Density of liquids