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THE SCIENTIFIC METHOD 2 Flashcards | StudBud
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THE SCIENTIFIC METHOD 2
THE SCIENTIFIC METHOD 2
25 terms
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StudBud Administration
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Goes over steps to scientific method as well as variables in an experiment
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Observations are made using the five senses. Which of the following is NOT an observation?
The table must be expensive.
The table is dirty.
The table is made of wood.
The table is hard.
2
"Does the force a person uses affect how far a toy car travels?" ---
The best hy
pothesis is...?
The toy car will roll farther because the wheels are smooth.
If the toy car travels farther, then it is the winner.
If a toy car has smaller wheels, its speed will be greater.
If a toy car is pushed harder, then it will travel farther.
3
Which factors must be kept constant (the same) in the following experiment?
type of pen, color of pen, the person writing
type of pen, the person writing, the amount written
the location, the wind speed, the time
the color of the pen, the person writing, the pressure used
4
What is the independent variable?
patients
cholesterol level
2 weeks
Diet (normal or artichoke filled)
5
What is the dependent variable?
Diet (artichoke filled or normal)
two weeks
group of patient receiving a normal diet
cholesterol level
6
Which of the following is NOT a rule when identifying the problem for an experiment?
Word it in question form.
Word it "If ___, then ___."
It needs to be specific.
It must be testable.
7
A hypothesis can be
best
described as:
an interesting prediction
an uninformed guess
an educated guess
a random prediction
8
What is the control group?
cholesterol level
Group of patients receiving a normal diet
two weeks
Diet (artichoke filled or normal)
9
In an experiment that tests which bug spray stops mosquitos from biting what are the constants?
where the spray is applied
the number of times the spray is used
the amount of spray
all of these must be kept constant
10
What is
not
a constant or controlled variable in this experiment?
Amount of time for the experiment: 2 weeks
health of patients
age of patients
Diet
11
The first step of the scientific method is always?
Analyze Data
Form Hypothesis
Determine the problem
Test Hypothesis
12
2 plants get 2 cups of h2o a day & the 3rd gets 1 cup. After 3 weeks all 3 plants are measured
students names should be given for this to be repeated
The type of plant should be stated for this to be repeated
type of cup should be given for this to be repeated
color of the pots need to be given for this to be repeated
13
What is the independent or test variable in the following experiment?
the 4 bowls
the color of the mashed potatoes
the scooper used to scoop the potatoes
the children
14
What happens if a scientist doesn't keep accurate records during an experiment?
Her results will be still be published but in fewer journals
The scientist will become more successful
Nothing will happen
The scientist will lose credibility
15
Which of the following is a testable problem?
Why is the sky blue?
Does the amount of sleep a person gets affect memory?
Is soil the most important natural resource on Earth?
What is the funniest television show to watch?
16
Scientists share data and conclusions with other scientists with other scientists so that:
they will be accepted by society
other scientists can repeat the same procedure
new laws will be developed
other scientists can become famous
17
Why did the doctor use two different diets? One with artichokes and one without?
to offer more explanations for the differences
to ensure at least some of the worms survive
To create a variable to test
to include a constant for the variables
18
After you form a hypothesis, what is your next step?
Analyze the Data & Observations
Draw Conclusions
Conduct the Experiment
Determine the Problem
19
Which of the following is an example of DATA that might be collected during an experiment?
The water is cool to the touch.
The stem is 5.25 inches long.
The daisy is red.
The flower petal feels smooth.
20
Why is it important to have many replicates of an experiment?
It isn't actually important
It's important to have variety
Having many replicates makes the experiment for valid
21
What must be done before drawing any conclusions in an experiment?
You must change your hypothesis to be right.
A scientific law must be made.
You must analyze the data and observations.
You must gather more information.
22
Which statement is true?
It doesn't matter how many variables you test at once
2 variables should be tested at once with 1 kept constant
All variables should all be tested at once.
Variables are tested one at a time with others kept constant
23
If different scientists get different results, what should the next step be?
the experiment should be changed
Both scientists should be declared losers
one of the scientists results should be ignored
the experiment should be repeated again
24
After you conduct an experiment one time, what should you do?
Call the news and tell them how awesome you are
Throw away all of your results
Repeat, Repeat, Repeat
Tell everyone what you found
25
Identify the problem in the following scenario:
Does using fluorescent bulbs save electricity and money?
Is using a fluorescent bulb worth it?
Is a fluorescent bulb brighter than a regular bulb?
Will a fluorescent bulb last longer than an L.E.D. bulb?
