What is a Scientist? - Cockeysville Middle School

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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.
CSI Note: Why is the metric system better than the
customary system for measurement?
Drill:
1. Take out your lesson sheet from yesterday
2. Compare your homework answers with your
neighbor.
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Review: Basic Units
length/distance –
meter (m)
mass -
gram (g)
volume liter (L)
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Review: Metric Prefixes
deci- (d-)
one tenth
centi- (c-)
one hundredth
milli- (m-)
one thousandth
deka-/deca- (da-)
ten
hecto- (h-)
one hundred
kilo-
one thousand
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Homework
Give 3 reasons why scientists prefer to use the
metric system.
1. M.S. is based on the number 10 rather than
random numbers.
2. M.S. uses the same prefixes for all
measurements. C.S. doesn’t use prefixes.
3. M.S. uses decimals instead of fractions.
4. M.S. is more widely used than C.S.
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SAVE PAPER
and
EXTRA CREDIT
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TRY THESE:
dekawatt
kilobyte
centiblip
hectomillion
milliblast
megavolt
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Homework Paragraph: Am I a 6th Grader?
1. Use your ditto
2. Look at each skill
3. Check the skill if you consistently
perform it.
4. Choose several skills that you would
like to work on.
5. Write your paragraph.
6. Be proud.
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