Metric System Part 2. kilo, centi, milli Be able to give your answer using any of these prefixes! For example: A snowboard is –1.85 m or –185 cm or –1850.

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Presentation transcript:

Metric System Part 2

kilo, centi, milli Be able to give your answer using any of these prefixes! For example: A snowboard is –1.85 m or –185 cm or –1850 mm How do you do that?

Metric Staircase. Move up a step (left): …decimal moves left Move down a step (right): …Decimal moves right centi base kilo milli

Practice 1500 cm = m = 29,500 cm = 0.08 km = m mm km cm

Does the measurement make sense? –1cm = width of a fingernail –1 g = mass of a push pin –1 mL = ~20 drops of water

What is mass? Mass is a measure of the amount of a substance. Mass is not weight Mass is not “how much space something takes up”; (that’s what volume is!)

Mass versus Weight Your mass is the same everywhere in the universe Your weight is less on the moon than it is on earth, because weight depends on gravity. linklink

Tools of Measurement graduated cylinder or beaker liter (L) Volume balancegram (g) Mass meterstick or ruler meter (m) Distance ToolUnit (symbol) Quantity