Transcript What is a Scientist? - Cockeysville Middle School

Objective: To identify the basic metric
units and their related prefixes
in order to estimate metric
lengths, masses, and volumes.
Core Question: Why is the metric system better than
the customary system for measurement?
Drill:
1. Get a lesson ditto from the set.
2. Complete the Drill in your Drill Book.
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1. About how long is your pencil?
2. About how heavy is your chair?
3. About how much liquid can you
hold in your hand?
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SCIENTISTS PREFER TO USE THE
METRIC SYSTEM FOR MEASUREMENT
RATHER THAN THE CUSTOMARY
SYSTEM.
Let’s find out why.
1. BRAIN POP: METRIC SYSTEM
Take Notes
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BASIC UNITS: Write the basic metric unit for
each type of measurement.
length/distance –
meter (m)
mass gram (g)
volume liter (L)
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METRIC PREFIXES: Write the meaning for each
metric prefix.
deci- (d-)
one tenth
centi- (c-)
one hundredth
milli- (m-)
one thousandth
deka-/deca- (da-) ten
hecto- (h-)
one hundred
kiloSK-7
(k-)
one thousand
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Extra Credit:
Find the metric prefixes for:
1 million
1 billion
1 trillion
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1 millionth
1 billionth
1 trillionth
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Homework:
Give 3 reasons why scientists
prefer to use the metric system.
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