Shared Flashcard Set

Details

Science 7 Intro
Intro to Science 7
30
Science
7th Grade
09/12/2011

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Cards

Term
English system and ________
Definition
metric system
Term
Why we don't switch to metric system
Definition
Too used to English system
Term
Common units of length
Definition
foot, inch, yard, mile
Term
foot
Definition
measure of foot
Term
number of inches in a foot
Definition
12
Term
inch
Definition
from palm to knuckle
Term
yard
Definition
tip of nose to end of finger
Term
Why body - based measurements?
Definition
Because you have it with you
Term
Problem
Definition
everybody had different sizes
Term
The problem did not matter until ...
Definition
they started building
Term
Had a problem when they
Definition
traded and had money
Term
Made ... to measures
Definition
rulers
Term
Standardization
Definition
units are based on an unchanging object
Term
Problem with convertion
Definition
many weird numbers
Term
Why weird numbers?
Definition
things were invented first and compared later
Term
another problem with rulers having sizes of themselves for their kingdom
Definition
different rulers had different sizes
Term
after _ _ years, most countries switched to metric
Definition
50 - 60
Term
which country invented metric?
Definition
French
Term
kilometer (km)
Definition
1.6 km = 1 mile
0.6 miles = 1 km
Term
hectometer (hm)
Definition
100m
Term
decameter (dam)
Definition
10m
Term
meter (m)
Definition
1 meter = approx. 1 yard
Term
decimeter (dm)
Definition
1/10 m
Term
centimeter (cm)
Definition
1/100 m
2.5 cm = 1 inch
Term
millimeter (mm)
Definition
1/1000m
Term
Acronym
Definition
Kids have dropped dead converting metrics
_ _ _ _ _ _
Term
km
Definition
1,000,000mm
Term
dam =
Definition
1,000 cm
Term
To convert
Definition
1. count units of change
2. move decimal in direction of pneumonic
Term
Move decimal point in direction of . . .
Definition
acronym
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