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Unit 1: Scientific Method
Which of the following is a quantitative observation?
45 kg to g
Unit 1: Scientific Method
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1
45 kg to g
0.0045 g
450 g
4.5 g
45000 g
2
Which of the following is a quantitative observation?
The dog is cute
The dog has two legs
The dog is small
The dog is fuzzy
3
What is the SI unit for mass?
Meters
Kelvin
Grams
Liters
4
A factor in an experiment that changes in response to the independent variable is the ____.
Constant
Dependent Variable
Control Group
Independent Variable
5
An explanation of why things or events happen based on knowledge gained from many observations and investigations.
Law
Observation
Theory
Inference
6
What is the part of an experiment that serves as a standard for comparison?
Constant
Variable
Hypothesis
Control Group
7
Objective; based on information gathered using the five senses.
Conversion Factor
Law
Theory
Observation
8
Experiment was designed to investigate the effect of caffeine on heartbeat of puppies. What is the independent variable?
Caffeine or No Caffeine
Heartbeat or No Heartbeat
9
Ratios of equivalent values.
Conversion Factor
Observation
Law
Theory
10
What is the SI unit for temperature?
Liters
Meters
Grams
Kelvin
11
Experiment was designed to investigate the effect of caffeine on heartbeat of puppies. What is the dependent variable?
Heartbeat
Caffeine
No Caffeine
No Heartbeat
12
All of the following are steps in the scientific method EXCEPT
Forming a hypothesis
Obeserving & recording data
Discarding data that doesn't match the hypothesis
Developing a model
13
Where does the dependent variable go on a graph?
In the Key
Y-axis
X-axis
In the Title
14
Experiment was designed to investigate the effect of caffeine on heartbeat of puppies. What is the control group?
Heartbeat
No Caffeine
Caffeine
No Heartbeat
15
A factor that does NOT change in an experiment is the ____
Constant
Dependent Variable
Control Group
Independent Variable
16
2,570 cm to hm
25700000 hm
0.00000257 hm
0.257 hm
257 hm
17
29 C to F
F = 84.2
F = 34.2
F = 144.5
F = 69.6
18
What are examples of Constants?
Different Size & Gender
Same Age, Gender, & Size
Heartbeat
19
The best type of graph to use to show the percentages of a whole is a
Bar graph
Circle (Pie) Graph
Scatter Graph
Line Graph
20
331 K to C
C = 69
C = 18
C = 96
C = 58
21
A testable prediction that predicts a cause and effect relationship between variables is a(n) ____.
Analysis
Inference
Hypothesis
Observation
22
The “cause” of the experiment, what we are purposefully manipulating or changing is the ___
Independent Variable
Control Group
Constant
Dependent Variable
23
Subjective; based on opinions or assumptions.
Observation
Inference
Theory
Law
24
Experiment was designed to investigate the effect of caffeine on heartbeat of puppies. What is the experimental group?
No Heartbeat
Caffeine
Heartbeat
No Caffeine
25
Statement about how things happen in nature that seems to be true all the time.
Conversion Factor
Theory
Observation
Law
26
What is the SI unit for length?
Kelvin
Grams
Meters
Liters
27
What is the SI unit for volume?
Liters
Grams
Kelvin
Meters
