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Physical Science Unit 1 Flashcards | StudBud
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Physical Science Unit 1
Physical Science Unit 1
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9th grade science scientific method and standard measurements
Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
The amount of matter in an object (how much something weights)
volume
mass
density
experiment
2
What is the length of the red line?
2.3 cm
2 1/2 cm
23 cm
203 cm
3
In the image below, the dependent variable is most likely
the type of dog food
the type of plate
the preference of the dog
the dog's usual food
4
There are this many centimeters (cm) in a meter (m)
10
1000
100000
100
5
There are this many millimeters (mm) in a meter (m)
100
10
1000
1000000
6
What is a constant?
Something in an experiment which constantly changes
Something in an experiment which must remain the same (Fair)
Something in an experiment that is a surprise
Something in an experiment which scientists can't control
7
A test set up under controlled conditions
experiment
graph
model
standard
8
A visual display of data
graph
experiment
model
standard
9
An educated guess using what you know and observe
hypothesis
control
bias
experiment
10
A statement about what happens in nature that seems to be true all the time (does not explain)
theory
hypothesis
scientific law
model
11
What is the length of the pencil?
9 and 9/10 mm
10 cm
9.9 cm
9.9 m
12
What is the mass of the item on the scale?
100.12 mL
21.001 mm
100.12 grams
100.12 cm
13
In the image below, a constant would most likely be
the preference of the dog
the type of dog food
the type of plate
the dog's usual food
14
A variable that changes as another variable changes (you measure)
control
constants
dependent variable
independent variable
15
There are this many millimeters (mm) in a centimeter (cm)
100
1000000
10
1000
16
In the image below, the independent variable is most likely
the preference of the dog
the type of plate
the dog's usual food
the type of dog food
17
A variable that does not change as another variable changes (you choose)
dependent variable
model
independent variable
control
18
An explanation of things or events based on knowledge gained from many observations is a
scientific law
theory
model
hypothesis
19
On which of the following is SI based?
powers of ten
powers of five
inches
English units
20
One one-thousandth is expressed by which prefix?
milli-
nano-
centi-
kilo-
21
What scientists use to carefully answer questions about the world we live in
wikipedia
google
the scientific method
youtube
22
In the image below, the control would most likely be
the type of plate
the preference of the dog
the type of dog food
the dog's usual food
23
Which of the following is an example of an SI unit?
gallon
pound
second
foot
24
Once a scientist is ready to share the findings of their experiments, they must go through
official review
peer review
scientific review
buddy review
25
What is the symbol for milliliter?
Lm
mlL
miL
mL
26
What is the length of the black bar?
4.3 cm
4 1/2 cm
4 1/2 mm
43 mm
27
An exact quantity that people agree to use to compare measurements
bias
standard
control
experiment
