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The Scientific Method
The Scientific Method
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Answers
1
23 kg = _________g
0.023
2.3
23,000
2
77,600 mL = _________L
776
77.6
7.76
3
The base unit of mass
gram
liter
density
meter
4
The part of an investigation that you control. It causes the change you observe and measure.
Dependent variable
conclusion
Independent variable
hypothesis
5
Facts describing something using your 5 senses (as well as using tools)
observations
inference
conversion
hypothesis
6
What does this measure?
volume
mass
density
length
7
System of measurement used by most of the world; used in science
Independent variable
Metric System
Facts describing something using your 5 senses (as well as using tools)
U.S. System
8
The amount of space an object takes up; the capacity of an object
density
length
mass
volume
9
3.41L = _________mL
3,410
341
0.341
10
The base unit of volume
meter
gram
liter
density
11
1/100 of a base unit (0.01)
centi
deci
milli
kilo
12
The base unit of length
meter
liter
gram
density
13
Data or observations that are measured or factual, usually in numbers
Independent variable
Quantitative
Qualitative
inference
14
What is this picture showing?
finding the volume of the dinosaur
how dinosaurs became extinct
finding the density of the dinosaur
finding the mass of the dinosaur
15
1/1,000 of a base unit (0.001)
kilo
centi
milli
deci
16
48.94 cm = _________mm
0.4894
489.4
4.894
17
Changing the units of a measurement
observation
conversion
inference
hypothesis
18
What is this?
thermometer
graduated cylinder
triple beam balance
measuring stick
19
The measure of how much matter is in an object
length
volume
density
mass
20
An educated guess of what you think will happen in a scientific investigation
conclusion
Dependent variable
hypothesis
Independent variable
21
What is this?
thermometer
graduated cylinder
triple beam balance
measuring stick
22
What tool is NOT needed to calculate
density
?
graduated cylinder
triple beam balance
calculator
ruler
23
15,885 mm = _________m
15.885
158.85
1588.5
24
385.2 g = _________kg
0.3852
3,852
385,200
25
85.68 km = _________m
85,680
0.08568
8,568
26
The part of an investigation you observe or measure. It changes depending on the independent variable.
hypothesis
Independent variable
conclusion
Dependent variable
27
A statement or judgment you make based on your observations
inference
observation
conversion
hypothesis
28
1,000 of a base unit
deci
centi
kilo
milli
29
How do you calculate
density
?
mass ÷ volume
volume ÷ mass
mass x volume
length x width x height
30
What does this measure?
mass
density
volume
length
31
Data or observation that is descriptive, usually in words
Independent variable
inference
Quantitative
Qualitative
32
The measurement of how much mass in packed into a given space (mass ÷ volume)
mass
volume
density
length
