10 questions Flashcards
What is the international system of units measurments system
Decimalized.
what does System internationale stand for
SI units.
What are the 3 main units in the decimalized system
1.The meter for length 2. the kilogram for mass 3.the second for time.
what is the reason we need units
we need units so we can consistently follow the same measurements.
what do units need to be in order to be consistent
They need to be standardized.
What does the term standardized mean
Standardized means the value given to units which are scientifically determined and agreed upon by the international Community.
If a box weighs 12 grams should it still be 12 grams if it was weighed agin in another country
Yes It weighs the same amount of grams no matter how many times or where you weigh it.
What is the metric system of measurement based on
It is based on the power of 10.
What does the metric system of measurement use
It uses a base unit and adds prefixes to the base units that are bigger or smaller by powers of 10.
what are we gonna do in this chapter
We are gonna study the units of measurement in the metric system and also focus on converting measurements from the English system to the metric system
In the us we follow what?
The us customary units
What are the us customary units derived from?
The English system of measurement
What do substances have?
Substances have properties
By quantifying something we do what?
We can assign numbers to specifically describe any object
A meter is a unit used to what?
Used to measure distance or length
A unit that is 1000 times bigger is called what?
A kilometer
A unit that is 100 times smaller is called what?
A centimeter
A unit 1000 times smaller is called a what?
A millimeter
Km, m, cm, and mm are most commonly used units of what?
Length/Distance
For very small Lengths what is used?
A micrometer,picometer,nanometer are used
A micrometer is one what?
One millionth of a meter
A nanometer is one what?
One billionth of a meter
A picometer is one what?
One trillionth of a meter
What is qualitative property?
Describing what an object is based off what you see
