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# PBHS SI System

### SI System

QuestionAnswer
How many cm are in a meter? 100
How many mm are in a cm? 10
The SI system is based on the _____ metric system
One kilometer = _____ meters 1000
kilo- means 1000
centi- means 1/100 or o.01
milli- means 1/1000 or 0.001
There are ____ ms in one cs (centisecond) 10
In English, SI stands for International System of Units
The triple beam balance measures mass
A graduated cylinder measures volume
length is the distance from one point to another
Mass is the amount of matter something is made of
Grams, kilograms, milligrams are all units of mass
The SI base or standard unit of time is the s (second)
The SI base or standard unit of mass is the kg (kilogram)
The SI base or standard unit of length is the m (meter)
The SI base or standard unit of temperature is the kelvin
Volume is the amount of space occupied (taken up) by an object or substance
Liters, kiloliters, milliliters, etc. are measures of volume
SI is used by which scientists? All scientists all over the world
1 m = ____ cm 100
1 m = ____ mm 1000
1 kg = _____ g 1000
1 cL = _____ mL 10
1 s = _____ cs 100
10 mg = _____ cg 1
It's important for all of science worldwide to use one measurement system because All information needs to be shared and must be understood and repeatable.
The curved surface of a liquid in a cylinder is called a _____. meniscus
Water forms a ______ meniscus in a glass cylinder. concave
A meniscus that bends downward on the sides and bulges up in the middle is _____. convex
In a cylinder where a liquid has formed a meniscus, the reading is taken at the bottom of the meniscus
When there is no curve at the surface of a liquid in a cylinder, there is no meniscus
Which is longer, a mile or a kilometer? a mile
Two and 1/2 laps around the track is one _____. kilometer
One ks makes _____ s. 1000
Created by: gkarlish