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Work Of A Scientist
Test Description: Review this for Monday's test
Instructions: Answer all questions to get your test result.
1) Refers to how close a measurement is to the true or accepted value.
A
guess
B
estimate
C
precision
D
accuracy
2) An approximation of a number based on a reasonable assumption is a(n)
A
precision
B
hypothesis
C
estimate
D
guess
3) The official SI unit of temperature is
A
Celcius
B
meters
C
Fahrenheit
D
Kelvin
4) The measurement of how much mass is contained in a given volume
A
mass
B
volume
C
density
D
weight
5) The official SI unit of mass is the
A
pound
B
ounce
C
weight
D
kilogram
6) The official SI unit for length is
A
mile
B
yard
C
inch
D
meter
7) The amount of matter an object contains is
A
mass
B
weight
C
volume
D
matter
8) The amount of space an object takes up is
A
weight
B
mass
C
matter
D
volume
9) Refers to how close a group of measurements are to each other
A
accuracy
B
estimate
C
hypothesis
D
precision
10) Calculation used to determine how accurate, or close to the true value, an experimental value really is
A
percent error
B
mode
C
mean
D
significant figures
11) The number that appears the most in a list of numbers is the
A
mean
B
estimate
C
median
D
mode
12) The middle number in a set of data
A
estimate
B
mode
C
median
D
mean
13) A numerical average calculated by adding up all of the numbers then dividing by the total number of items in the list
A
estimate
B
mode
C
median
D
mean
14) Type of graph where all of the data points fall in a straight line
A
axes
B
scatter trend
C
nonlinear graph
D
linear graph
15) The point where the x-axis and the y-axis intersect or cross is called the
A
data point
B
line of best fit
C
coordinate
D
origin
16) true or false: An object will float if it is less dense than the surrounding water
A
false
B
true
17) True or false: Zero on the Celsius scale is the temperature that scientists consider to be the coldest possible temperature
A
true
B
false
18) To calculate the density of an object you need to know the mass and the volume
A
true
B
false
19) The standard SI unit for mass is the liter
A
true
B
false
*select an answer for all questions
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