1. 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.

2. MASS Case file page: 05

3. Mass  What is Mass?  The measure of how much matter something contains.  Mass IS NOT Weight  Weight measures the force of gravity on something

4. 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

5. Mass  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

6. 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.

7. Objective 09/17/12 Outro Apply mass measurement to solving the CSI case. Put in order from HEAVIEST to LIGHTEST: kilogram, milligram, gram, centigram.