MASS

453.6 220.5 28,349.5

Mass

gram g

International prototype kilogram

balance

300 70 3.3 373.3

Measurement trayweight

medium

Small Arrows/lines

mass

Mass vs. Weight

• Mass – amount of MATTER in an object– Basic Unit of mass = gram (g)

• Weight – pull of gravity on an object• Weight depends on your location!– You weigh 6 times more on Earth than on the moon!– You weigh 2.4 times more on Jupiter than on Earth!

• Mass NEVER changes! Weight changes depending on location.

Converting Units…Again?!

• King• Henry• Died• By• Drinking• Chocolate • Milk

Converting Units

• Prefixes don’t change!– Kilogram (kg)– Hectogram (hg)– Dekagram (Dg)– Base – Gram (g)– Decigram (dg)– Centigram (cg)– Milligram (mg)

K H D B D C MMoving Right Decimal Point moves right

Moving Left Decimal Point moves left

Triple Beam Balance