Chapter 2
Describe two advantages of the SI system over the system of measurements that is still commonly used in the United States.
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Measurements describes using a world using____.
Numbers
SI units are useful because they all are related by multiples of ____.
Ten
water freezes at 32 degrees and boils at 212 degrees on the Fahrenheit temperature scale. Compare the size of a degree of the Fahrenheit scale to the size of a degree on the Celsius scale.
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What are the 5 types of measurement?
1.Mass 2. Length 3.Volume 4.Time 5.Temperature
A kilogram is____ times as large as a gram.
1000
A millisecond is to a second as one is too___.
1000
The value of the boiling point of water on the Kelvin scale is ____ the value of the boiling point of water on the Celsius scale.
>Higher than
When you estimate you often use the word___.
About
Compares a measurement to the true value.
Accuracy
When evaluating a paper delivery, a home owner would be most concerned about___.
Accuracy
What is the basic unit for mass?
Grams and kilograms
Speed is___often measured in kilometers per hour.
An estimation
A type of graph that uses bars of varying sizez to show the relationship among variables.
Bar Graph
A___graph uses percentages to relate the parts to the whole.
Circle
A type of graph that shows the parts of a whole, sometimes called a pie graph, each piece of which represents a percentages of the total.
Circle Graph
A___ is always based on percentages.
Circle Graph
It's often used to discuss the numbers of___a measuring device can measure.
Decimal Places
Method of making a n educated guess at a measurement using the size of something familiar to guess the size of a new object.
Estimation
you can use__ to check that answer is reasonable.
Estimation
What is the Si unit built around?
Freezing and boiling points of water.
What is the SI unit for time?
Hours, Seconds, Minutes
The___Is the SI unit for temperature.
Kelvin
Used to collect, organize, and summarize data in a visual way, making it easy to use and understand. Graph SI unit of temperature.
Kelvin
What would you use to measure the freezing point of carbon dioxide?
Kelvin
Zero____is the coldest possible temperature
Kelvin
SI unit for mass.
Kilogram
What would you use to measure the mass of the orange?
Kilogram
What unit for mass do most scientist use?
Kilograms
____graph shows variables on the horizontal axis and the vertical axis( x and y axis)
Line
A type of graph used to show the relationship between two variables that are numbers on an X-axis and a Y-axis.
Line Graph
What would use use to measure the volume of the orange juice?
Liter
Amount of matter in an object.
Mass
The___of an object measures the amount of matter in the object.
Mass
Ways to describe objects and events with numbers. For example: length, volume, mass, weight, and temperature.
Measurement
SI unit for length.
Meter
The SI unit of length is_____.
Meter
What would you use to measure the length of a soccer field?
Meter
To make a scale drawing of a basketball court, which of the following scales would be most useful?
Meters
What is another name for SI system?
Metric System
Which unit of measurement is better for determining the volume for a drop of water: milliliter or liter? Explain.
Milliliter because a liter is too big.
Would your mass and weight be different on Mars than On Earth?
No, your mass would be the same because mass is basically the amount of matter in an object.
The advantage data in a table has over data presented in a paragraph is the ______.
Numbers of digits that can be included.
A bowler who always left the same three pins standing could be considered a(n)___ bowler.
Precise
Describes how closely measuremnts are to each other and how carefully measurements were made.
Precision
The ability of a measurement to be reproduced with the same result is a sign of___?
Precision
A ratio of two different kinds of measurements; the amount of change of one measurement in a given amount of time.
Rate
International System of Units, related by multiples of ten, designed to provide a worrldwide standard of physical measurement.
SI
___provides a world wide standard of physical measurement
SI
Data displayed in rows and columns is called___.
Table
Presents information in rows and columns making it easier to read and understand.
Table
A line graph shows the relationship between______.
Three variables
The amount of space an object occupies.
Volume
When you measure something in meters cubed, you are measuring___.
Volume
A measurement of force that depends on gravity, measured in Newtons
Weight
The___of an objectcan vary with the object's location
Weight
A cubic centimeter can be expressed as___.
cm3