Term
Indicate whether statement is true or false.
When multiplying or dividing measurements,the answer has the same number of significant figures as the measurements with the most significant figures. |
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Indicate whether statement is true or false.
SI is a version of the metric system. |
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Definition
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Indicate whether statement is true or false.
To measure objects smaller than a meter but still visable to the unaided eye,scientests would use the centimeter or kilometer |
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Definition
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Indicate whether statement is true or false.
When you do feild work,youu should neever tell an adult where you will be.. |
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Definition
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Indicate whether statement is true or false.
A scientist will most likely use the Kelvin scale to measure daily temperature. |
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Term
The basic unit of length in the metric system is the
A. Foot
B. Mile
C. Meter
D.kilometer |
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Term
A line graph in which the data points do not fall along a straight line is called a
A.circle graph
B.nonlinear graph
C.linear graph
D. bar graph |
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The metric system of measurement is based on the number
A.12
B.100
C.10
D.1 |
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Term
If you add a mass of 9.495g,the sum withh the correct number of significant digits is
A.13.2 g
B.13.20 g
C.13.195 g
D.13.19 g |
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Term
The amount of space an object takes up is
A. Mass
B. Volume
C.density
D. Length |
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Definition
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In SI,the kilogram is the basic unit of
A.. volume
B.length
C.mass
D.weight |
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Definition
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Term
The offical SI unit of temperature is
A. Farenheit
B. The metric degree.
C. Celsius
D. Kelvin |
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Term
The significant figures in a measurement include
A.the digits that have been measured exactly,plus one digit whose value has been estimated
B.only digits that have been measured exactly
C.only the last digit in a meassurement
D.only the last digit whose value has been estimated. |
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Definition
| B. Only the digits that have been measured exactly |
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The most important lab rule is
A.always wear a lab apron
B.design and coonduct your own experiments without asking the teacher
C.always wear saftey googles
D.always follow your teachers instructions and textbook directions exactly |
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Definition
| D.always follow your teachers instructions and textbook directions exactly |
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Term
A group of parts that work together is a
A. Process
B. Feedback
C. Technology
D. System |
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If scientists cannot obtain exact numbers, they should rely on a(n)
A.estimate
B. Guess
C.calculation
D. Assumption |
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Definition
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Term
To determine how close to the true value is,you would use
A.significant figures
B.a precision calculation
C.a percent error calculation
D.a median |
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Definition
| B.a precision calculation |
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What are some reasonable saftey precautions for feild investigations?
A.always wear saftey googles and aprons
B.be preapared and use common sense
C.None;there are no hazards
D.Always go into the feild alone |
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Definition
| B.be preapared and use common sense |
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Term
The middle number in a set of data is the
A.significant figure
B.mode
C.mean
D.median |
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Term
Scientists test their ideas about things they cannot observe directly by building
A.evidence
B.models
C.systems
D.theories |
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Definition
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Term
Mass and Weight are different because
A.mass measures the amount of matter in an object contains.
B.Mass measures the force of gravity on an object.
C.weight measures the amount of matter an object contains
D.weight measures the force of gravity on an object |
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Definition
| D.weight measures the force of gravity on an object |
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Term
A line graph shows
A.change in the manipulated variable only
B.how the mainipulated variable changed on its own
C.changes in responding variable only
D. how the responding variable changes in response to the mainipulated variable |
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Definition
| C.changes in responding variable only |
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Term
How many meters are there in a kilometer
a.100
b.1000
C.10000
D.10 |
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To calculate the density of an object,you would
A.multiply its mass by volume
B. divide its volume by it mass
C .divide its mass by its volume
d.divide its mass by its length |
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Definition
| C .divide its mass by its volume |
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What is the first thing you should do if an accident occurs in your classroom
A.Notify your teacher
b.find the emergency equipment
c.start first aid treatment
d.Go to the nearest hospital |
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