Intro

Objective 09/17/12

Apply mass measurement to solve the CSI case.

•Pick up Weekly Worksheet from back table:• What is the definition of ‘mass’?

•New Grades posted on the Student Wall.

MASSCase file page: 05

Mass What is Mass? The measure of

how much matter something contains.

Mass IS NOT Weight

Weight measures the force of gravity on something

Mass Grams Grams

Grams Grams Grams Grams Grams

Triple Beam Balance

Base unit for mass

Measures small objects Ex: pencils,

quarters

The tool used to measure mass in lab

Mass How much is a

gram? How much is a gram?

How much is a gram?

How much is a gram?

How many pounds are in a kilogram?

1 penny = about 2 ½ grams

1 kilogram = about 2 ½ pounds

Mass Summary: The base unit for measuring

mass in the metric system is the gram. One penny equals about 2 ½ grams. Grams are measured with a tool called the Triple Beam Balance.

Objective 09/17/12

Outro

Apply mass measurement to solving the CSI case.

Put in order from HEAVIEST to LIGHTEST: kilogram, milligram, gram, centigram.