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Scientific Method - Unit 1 Flashcards | StudBud
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Scientific Method - Unit 1
Scientific Method - Unit 1
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Review of the Scientific Method
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is the difference between and independent and dependent variable?
The independent variable changes the dependent variable
The dependent is the constant and the independent changes
The dependent variable changes the independent variable
The independent variable adapts to the dependent variable
2
Why do scientists publish the results of their experiments?
so that other scientists can learn from what they did
so that publishers can print books on science
so that other scientists can see that they are working
to make money
3
The variable that is kept the same through the experiment is called a(n) _____.
Independent Variable
Controlled Variable
Dependent Variable
Hypothesis
4
The final summary of the data and results is/are called a(n) _____.
Experiment
Inference
Conclusion
Hypothesis
5
What is the dependent variable?
Time
Speed
not enough info
speed / time
6
Information or observations collected during an experiment are called _____.
Data/Results
Problem
Conclusion
Hypothesis
7
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Pipe material
Water temperature
Diameter of the pipe
8
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries in the oven getting warm
Batteries on the countertop at room temperature
Batteries in the fridge getting cold
9
Making an interpretation from an observation is called a(n) _____.
Inference/Prediction
Controlled Variable
Hypothesis
Experiment
10
Which of the following would make the results of an experiment more reliable?
Change the hypothesis
Repeated/Multiple trials
Changing the procedure
Multiple variables
11
Identify dependent variable.
Fertilized female flower
Presence of invertebrates
Absence of invertebrates
Fertilized male flower
12
The variable that is measured in an experiment is known as which of the following?
Dependent variable
Independent variable
Controlled variable
Experimental variable
13
What is the first step of the Scientific Method?
Experiment
Research
Make an Observation
Hypothesis
14
An educated guess or statement about what is going to happen is called a(n) _____.
Controlled Variable
Hypothesis
Observation
Problem
15
What are constants?
observations can be changed
factors that are measured
kept the same
conditions that change
16
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Conclusion
Observation
Experiment
Data/Results
17
What is the dependent variable?
Work (J/min)
Cardiac output
Time (sec)
Rate (BPM)
18
Why do scientists repeat experiments several times?
to make sure their results are accurate
to memorize the procedures
to use up all their materials
to change the variable each time
19
Why do scientists collect data during an observation or investigation?
To do math
To make a graph
To answer a question about the world
For the science fair
20
If I floss more, then I will have fewer cavities. What is the independent variable?
Type of floss
Number of cavities
Amount of flossing
21
What skill is a scientist using when she listens to the sounds that birds make?
Making observations
Drawing conclusions
Interpreting data
Forming a hypothesis
22
If I increase my vitamin C intake, then I will have fewer colds. What is a controlled variable?
Amount of vitamin C
Number of colds
Amount of times you come in contact with germs
23
Why do scientists have constants in their experiments?
To record data more easily.
To ensure their safety.
To know the results come from the IV and nothing else.
So their experiments are clear and easy to understand.
24
Identify the control group in the experiment:
Plant B
Music
Number of tomatoes
Plant A
25
Which is the best scientific question?
Which smart phone is the best?
Which smart phone has the most internal memory?
Which smart phone is the worst?
Which smart phone works very well?
26
A scientific theory is different from a scientific law because
theories never change, laws do
theories explain why and can change, laws do not
theories are not constantly tested, laws are
laws explain why, theories do not
27
What pond would be the control group?
3
1
4
2
28
(True or False): A hypothesis is made before an observation has taken place.
False
True
29
If I put on stronger sunscreen, then I will burn less. What is the dependent variable?
Strength of sunscreen
Severity of sunburn
Time spent in the sunlight
30
The constants in the experiment in the picture are what?
The sun and the type of plant used
the amount of water
