3412796
Descripción
Test por Rose Helderman, actualizado hace más de 1 año
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Creado por Rose Helderman
hace alrededor de 9 años
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Pregunta 1
Pregunta
Scientists measure length, mass, volume, density, temperature and time using SI untis.
Respuesta
- True
- False
Pregunta 2
Pregunta
Length is
Respuesta
-
the distance from one point to another
-
the amount of matter in an object
-
measure of the force of gravity acting on an object
-
the amount of space taken up by an object
-
measure of how much mass is contained in a given volume
Pregunta 3
Pregunta
The International System of Units (SI) is based off the metric system.
Respuesta
- True
- False
Pregunta 4
Pregunta
The measure of the amount of matter in an object is
Respuesta
-
mass
-
volume
-
gravity
-
density
-
weight
Pregunta 5
Pregunta
The force of gravity acting on an object is the
Respuesta
-
mass
-
volume
-
gravity
-
density
-
weight
Pregunta 6
Pregunta
The amount of space taken up by an object or substance is
Respuesta
-
mass
-
volume
-
gravity
-
density
-
weight
Pregunta 7
Pregunta
SI stands for
Respuesta
-
International Scientific Units
-
International System of Units
-
International System of Science
-
International House of Science
Pregunta 8
Pregunta
Which of the following is a standard system based on 10
Respuesta
-
miles
-
yards
-
metric
-
volume
Pregunta 9
Pregunta
The basic SI unit for measuring weight is a measure of force called
Respuesta
-
newton
-
pound
-
ton
-
kilogram
Pregunta 10
Pregunta
Weight changes when
Respuesta
-
gravity changes
-
with different scales
-
the type of measurement system you use
-
it never changes
Pregunta 11
Pregunta
The curve of the liquid in which you use to take a measurement
Respuesta
-
SI
-
metric system
-
meniscus
-
graduated cylinder
Pregunta 12
Pregunta
How would you measure the volume of an irregular shaped object
Respuesta
-
with a ruler
-
displacement of water
-
on a scale
-
by carefully studying it
Pregunta 13
Pregunta
The basic SI unit for measuring volume is the
Respuesta
-
cubic meter
-
newton
-
kilogram
-
yard
Pregunta 14
Pregunta
The measure of how much mass is contained in a given volume is
Respuesta
-
mass
-
volume
-
gravity
-
density
-
weight
Pregunta 15
Pregunta
The official SI unit for temperature is the
Respuesta
-
nweton
-
kelvin
-
second
-
kilogram
Pregunta 16
Pregunta
When collecting data, scientists use math skills that include all of the following except
Respuesta
-
precision
-
significant figures
-
accuracy
-
percent error
-
estimation
Pregunta 17
Pregunta
The approximation of a number based on reasonable assumptions
Respuesta
-
estimates
-
accuracy
-
precision
-
significant figures
Pregunta 18
Pregunta
Estimates are useful when
Respuesta
-
it is easy to count each individual or object
-
when a person isn't good at counting
-
when it is impossible to count every individual or object
-
when you don't have enough time to count every individual object
Pregunta 19
Pregunta
Measurements are never completely precise.
Respuesta
- True
- False
Pregunta 20
Pregunta
The numerical average of a set of data
Respuesta
-
mean
-
mode
-
median
-
range
-
percent error
Pregunta 21
Pregunta
The middle number in an ordered set of data
Respuesta
-
mean
-
mode
-
median
-
range
-
percent error
Pregunta 22
Pregunta
The number that appears most often in a list of numbers
Respuesta
-
mean
-
mode
-
median
-
range
-
percent error
Pregunta 23
Pregunta
The difference between the greatest value in the set and the least value
Respuesta
-
mean
-
mode
-
median
-
range
-
percent error
Pregunta 24
Pregunta
Humans or equipment error can produce data that does not fit with the data set. What is this data called?
Respuesta
-
reasonable data
-
scientific data
-
anomalous data
-
specific data
Pregunta 25
Pregunta
The percent difference between the known value of a substance and its measured value is called
Respuesta
-
mode
-
median
-
range
-
weight
-
percent error
Pregunta 26
Pregunta
A picture of your data is called
Respuesta
-
accuracy
-
estimation
-
graph
-
model
Pregunta 27
Pregunta
The following are the ages of people in the room.
36 36 37 37 39 40 41
What is the mode?
Respuesta
-
36
-
37
-
39, 40 and 41
-
36 and 37
Pregunta 28
Pregunta
Scientists use graphs to identify trends, make predictions, and recognize anomalous, or inconsistent data.
Respuesta
- True
- False
Pregunta 29
Pregunta
Look at the graph on the page mom has. What type of graph is this?
Respuesta
-
linear graph
-
non linear graph
-
pie graph
-
line graph
Pregunta 30
Pregunta
3 gerbils weigh 20 grams. How many millograms would the three gerbils weigh?
Respuesta
-
200 mg
-
2,000 mg
-
20,000 mg
-
200,000 mg
Pregunta 31
Pregunta
A graph that shows data points in a straight line is called a
Respuesta
-
linear graph
-
non linear graph
Pregunta 32
Pregunta
A graph in which the points do not fall in a straight line are called
Respuesta
-
linear graph
-
non linear graph
Pregunta 33
Pregunta
A point that is not part of the trend is an anomalous data point called an outlier.
Respuesta
- True
- False
Pregunta 34
Pregunta
an approximation of a number based on reasonable assumptions
Respuesta
-
estimate
-
significant figures
-
precision
-
accuracy
-
percent error
Pregunta 35
Pregunta
refers to how close a group of measurements are to each other
Respuesta
-
estimate
-
significant figures
-
precision
-
accuracy
-
percent error
Pregunta 36
Pregunta
communicate how precise measurements are and includes all digits measured exactly, plus one estimated digit
Respuesta
-
estimate
-
significant figures
-
precision
-
accuracy
-
percent error
Pregunta 37
Pregunta
refers to how close the measurement is to the true or accepted value
Respuesta
-
estimate
-
significant figures
-
precision
-
accuracy
-
percent error
Pregunta 38
Pregunta
Data that does not fit with the data set is called
Respuesta
-
scientific data
-
reasonable data
-
anomalous data
-
specific data
Pregunta 39
Pregunta
Cheryl took 7 math tests in one marking period. What is the range of her test scores?
89, 73, 84, 91, 87, 77, 94
Respuesta
-
91
-
5
-
85
-
21
Pregunta 40
Pregunta
Scientists use plans to test their ideas about things they cannot observe directly
Respuesta
- True
- False
Pregunta 41
Pregunta
Scientists build __________ to represent a process. They test whether the input and output from the model match the input and output of the system in the natural world.
Respuesta
-
map
-
graph
-
model
-
significant figures
Pregunta 42
Pregunta
Anomalous data shows on a graph as a(n)
Respuesta
-
nonlinear graph
-
trend
-
outlier
-
linear graph
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