Measuring Mass

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Measuring Mass

• Mass is the amount of matter in an object
• Matter is some thing that has mass and takes up
  space

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Units for measuring mass

• Mass is measured in grams and kilograms
• 1 paper clip 1 gram
• 1000g 1kg
• Average human adult is 75 k

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Tools for measuring Mass

• The triple beam balance

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How to use a triple beam balance

• 1) Make sure that the balance scale is at zero.
• 2) Place object on balance scale the larges and
  move the largest rider one notch at a time until
  the beam drops. Move the rider back one notch
  (make sure it lock in place)
• 3) Move the next largest rider until the beam
  drops. Back it up one notch.
• 4) Move the smallest rider until the beam swings
  equally above and below the zero mark.
• 5) Add up all the numbers to find the mass!

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Calculate The Mass
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Mass Vs Weight
Weight depends on gravity Weight equals Mass X
gravity The weight of an object changes if the
pull of gravity changes
Mass does not depend on gravity The mass of an
object always remains the same
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Outer Space
Outer Space
The astronaut travled to the moon what can you
tell me about his mass and wieght on the moon
compared to earth