1. Notes: Mass/Weight/Density MASS MASS:·More mass in a dump truck than a mid-size car·Difference between MASS and VOLUME mass=amount of matter in an object volume=amount of space an object takes up Mass Mass is measured in grams and kilograms WEIGHT WEIGHT:·Attraction between two objects due to gravity·Distance between objects determines "pull"·Weight is measured in Newtons using a spring scale and is recorded as (N) Newtons is the measure of force: 1kg=9.8NMASS REMAINS CONSTANT BUT WEIGHT CAN CHANGE.....ASTRONAUTS (weightless)!!!!!!

2. DENSITY·Relationship between mass and volume· Density=Mass/Volume Density of H2O is 1 g/mL Objects with less than 1g/mL density will float, objects with greater than 1g/mL density will sink 1cc=1mL=1gH2O

3. m d v Mass DensityVolume (g) g/cc g/mL g/cm3 mL Cc cm3