Measurement Memory Equivalent Measurements. 1 foot = _____in.
Chapter One: Measurement - WordPress.com · Chapter One: Measurement 1.1 Measurements 1.2 Time and...
Transcript of Chapter One: Measurement - WordPress.com · Chapter One: Measurement 1.1 Measurements 1.2 Time and...
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Chapter One: Measurement
1.1 Measurements
1.2 Time and Distance
1.3 Converting Measurements
1.4 Working with Measurements
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Section 1.1 Learning Goals
Define measurement.
Compare English and SI
measurements.
Become familiar with metric
prefixes.
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Investigation 1A
Key Question:
Are you able to use scientific tools to make
accurate measurements?
Measurement
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1.1 Measurements
A measurement is a
determination of the
amount of something.
A measurement has
two parts:
a number value and
a unit
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1.1 Two common systems
The English System is used for everyday
measurements in the United States.
Miles, yards, feet, inches, pounds, pints,
quarts, gallons, cups, and teaspoons are all
English system units.
In 1960, the Metric System was revised and
simplified, and a new name was adopted—
International System of Units.
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1.1 International System of Measurement (SI)
The acronym SI comes from the French
name Le Système International d’Unités.
SI units form a base-10 or decimal system.
In the metric system, there are:
10 millimeters in a centimeter,
100 centimeters in a meter, and
1,000 meters in a kilometer.
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Section 1.2 Learning Goals
Explain the meaning of time in a
scientific sense.
Discuss how distance is
measured.
Use a metric ruler to measure
distance.
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1.2 Time and Distance
Two ways to think
about time:
What time is it?
How much time?
A quantity of time is
also called a time
interval or duration.
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1.2 Time
Time comes in mixed units.
Seconds are very short.
For calculations, you may need to convert
hours and minutes into seconds.
How many seconds is
this time interval?
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1.2 Distance
Distance is the
amount of space
between two points.
Distance is measured
in units of length.
The meter is a basic
SI distance unit.
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1.2 Metric prefixes
Prefixes are added to the names of basic
SI units such as meter, liter and gram.
Prefixes describe very small or large
measurements.
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1.2 The meter stick
A meter stick is
1 meter long and
is divided into
millimeters and
centimeters.
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1.2 The meter stick
Each centimeter is divided into ten
smaller units, called millimeters.
What is the length in cm?