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Scientific Method
Scientific Method
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Basic scientific method for Biology
Flashcards
35 cards
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Practice quiz
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Host live
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Questions
35
Answers
1
Observations that involve numbers.
Qualitative Data
Quantitative Data
2
quantitative research is most often reported as
all of the above
descriptions of behavior
long lists of numbers
graphs and charts
3
A good hypothesis must
The same as a theory.
Be correct.
Be a guess.
Be testable.
4
What would be a good control? You are testing how sunlight effects plant growth.
Groups of plants given lots of fertilizer.
A group of plants grown without sunlight
Groups of plants at various temperatures.
Groups of plants given lots of water.
5
In an experiment to test the strength of different brands of paper towels, what would be the independent variable?
number of paper towels used
total weight held
brand of paper towel
type of weight used
6
M-As' football team wants to know protein shakes makes you stronger. What's the DV here?
Shakes
The coach
Player Strength
The age of players
7
What is a quantitative observation?
an observation that involves describing
an observation that involves a number or measurement
8
A scientist listens to the calls of humpback whales. Which step of the scientific method?
Question
Experiment
Observation
Hypothesis
9
What is the scientific method?
questions
ask some qustions form a hypothesis
observation
data
10
The effect of the amount of light on plant growth. This would be a good....
Dependent variable
Independent variable
Title for a graph
Hypothesis
11
Which plant is the experimental group?
The plant that does not receive the fertilizer.
The plant receiving 10 ml of fertilizer.
12
If an experiment cannot be repeated by other people or scientists then it's
Not reliable
Perfect
a good experiment
Reliable
13
The purpose of a procedure is to....
Keep other people from copying
Make sure that the participants know exactly what's happenin
Make you do more writing
Show others the steps you took to do the experiment.
14
Which is a quantitative observation?
The man is wearing a red hat
The dogs are playing in the water
It is cold outside
There are 5 people
15
In an experiment to test the strength of different brands of paper towels, what would be the dependent variable?
number of paper towels used
type of weight used
brand of paper towel
total weight held
16
What is the independent variable?
The outcome
When you hold something constant
The variable being tested and changed
The variable measured
17
How is a constant (controlled variable) different than the dependent variable?
Constants are the same as dependent variables.
Constants are variables that don't change.
Constants are variables that change.
Constants are variables that the scientist is testing.
18
The dependent variable is the.....
Is known before the experiment
Stays the same
Changed by the scientist
Outcome/Results
19
What is a theory?
The same as a law.
An educated guess.
A well-founded explanation backed by lots of evidence.
The same as a hypothesis.
20
You want to test the effects of acid rain on plant growth. Identify the independent variable:
Amount of sunlight
Plant growth
Type of plant
Acid rain
21
What is qualitative data?
Descriptions that involve characteristics that cannot be counted.
is collected through methods of observations
Numbers that are obtained by counting or measuring.
Data that involves counting
22
A control group helps an experiment because it give the scientist
More participants
More work
None of the above
A group to compare experimental results to
23
Which of the following is a good hypothesis?
What happens when I pet dogs?
If you train dogs, they will be better.
If you feed dogs treats, they will lick you more.
Dogs are friendly.
24
What is a control?
The number of trials in an experiment
What you are measuring in an experiment
A second group where nothing is changed.
The data
25
True or False: Only people with degrees in science can conduct experiments.
True
False
26
You want to test the effects of acid rain on plant growth. Identify the dependent variable:
Amount of sunlight
Plant growth
Acid rain
Type of plant
27
A prediction about the outcome of an experiment.
Conclusion
Hypothesis
Independent Variable
Inference
28
Qualitative or quantitative property?
combustibility
Quantitative
Qualitative
29
The variable the scientist changes:
Independent Variable
Dependent variable
Constants
Control Group
30
Which scenario would be the most credible and accurate?
Not controlling variables and doing one trial.
Controlling all variables and doing one trial
Controlling variables and doing 100 trials
Not controlling variables and doing 100 trials
31
Qualitative or quantitative property?
Colour
Qualitative
Quantitative
32
The effect of amount of light on plant growth. What is the IV?
Amount of Light
The type of plant
The amount of Soil
Plant growth
33
Which of the following is a poor hypothesis?
If the temperature increases, plants grow faster.
I think that plants grow faster at higher temperatures.
If the temperature increases, plants grow best.
If the temperature increases, plants grow slower.
34
The football wants to know if protein shakes make them stronger. Dependent variable?
football team
football strength
Football stadium
Protein shakes
35
What is the variable that you measure?
Constants
Dependent
Independent
Control
