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Unit 1 Test Review
Unit 1 Test Review
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9th grade science scientific method and standard measurements
Flashcards
31 cards
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Practice quiz
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Questions
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Answers
1
Definition: a variable that you choose to manipulate to effect the outcome (1 thing you choose)
model
dependent variable
control
independent variable
2
There are this many millimeters (mm) in a centimeter (cm)
100
1000
1000000
10
3
Once a scientist is ready to share the findings of their experiments, they must go through
buddy review
scientific review
official review
peer review
4
.001 is expressed by which prefix?
centi-
kilo-
nano-
milli-
5
There are this many millimeters (mm) in a meter (m)
10
1000
1000000
100
6
In the image below, the dependent variable is most likely
the preference of the dog
the type of plate
the dog's usual food
the type of dog food
7
Definition: mass per unit volume. (How much stuff is packed into a certain amount of space.)
mass
volume
density
graph
8
Which of the following is not a derived unit?
cm3
dm3
g/mL
m
9
On which of the following is SI based?
inches
powers of ten
powers of five
English units
10
There are this many centimeters (cm) in a meter (m)
100
100000
1000
10
11
Definition: a visual display of data used for showing the relationship between 2 variables.
line graph
bar graph
circle graph
map
12
In the image below, the control would most likely be
the type of dog food
the type of plate
the preference of the dog
the dog's usual food
13
An explanation of things or events based on knowledge gained from many observations is a
theory
hypothesis
model
scientific law
14
Definition: a test set up under controlled conditions
experiment
standard
model
graph
15
If a scientist's expectations about an experiment changes the way they view results, this is a
standard
bias
control
peer review
16
Definition: an exact quantity that people agree to use to compare measurements
bias
standard
control
experiment
17
Definition: an educated guess using what you know and observe
hypothesis
experiment
control
bias
18
Definition: a visual display of data
graph
experiment
standard
model
19
Definition: a visual display of data used for showing percentages.
map
circle graph
line graph
bar graph
20
Which of the following is an example of an SI unit?
gallon
second
foot
pound
21
Definition: a variable that changes as another variable changes (thing you measure; results)
independent variable
constants
dependent variable
control
22
A statement about what happens in nature that seems to be true all the time (does not explain)
hypothesis
theory
model
scientific law
23
In the image below, the independent variable is most likely
the type of dog food
the type of plate
the dog's usual food
the preference of the dog
24
Definition: a visual display of data used for displaying categories or things counted.
line graph
circle graph
bar graph
map
25
What scientists use to carefully answer questions about the world we live in
youtube
google
the scientific method
wikipedia
26
Definition: the amount of space occupied by an object
density
hypothesis
volume
mass
27
Definition: the amount of matter in an object
experiment
density
mass
volume
28
You have a 10 g mass with a volume of 2 cm
3
. What is its density?
20 g/cm3
5 g/cm3
12 g/cm3
10 g/cm3
29
What is the symbol for milliliter?
mlL
miL
mL
Lm
30
To find the __________ of a box, multiply the height by the width by the depth.
mass
density
volume
weight
31
In the image below, a constant would most likely be
the dog's usual food
the type of plate
the preference of the dog
the type of dog food
