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