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Scientific Method & Experimental Design Flashcards | StudBud
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Scientific Method & Experimental Design
Scientific Method & Experimental Design
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1
Listening to rap VS country music will decrease intelligence. (ALL are constants here EXCEPT)
Type of music
Volume of music
Location
Timeframe
2
A series of steps used by scientists to solve a problem or answer a question.
Order of Operations
Hypothesis
Scientific Method
Independent Variable
3
Analyze the graph below: about how many immigrants came from France?
400
300
380
360
4
Identify the independent variable: Studying in cold temperatures will reduce test scores.
Teacher
Temperature of where studying occurs
Test scores
Subject
5
This is the group in the experiment that RECEIVES the TREATMENT.
Experimental
Exposed
Testing
Control
6
On a graph where should the independent variable go?
The X-Axis
The Y-Axis
7
Variables in an experiment that REMIAN the SAME in all groups are called
Dependent Variables
Factors
Independent Variables
Constants/Controlled Variables
8
Find the range for the following: 2, 3, 6, 9, 10, 14, 20
18
17
20
16
9
More light will increase a turtles rate of growth. What would be the TITLE for the graph?
Turtle Power
Turtle Growth Affects Amount of Light
Turtles and Light
Amount of Light Affects Turtle Growth
10
Anything in an experiment that can INFLUENCE the OUTCOME is called a...
Dependent Variable
Constant
Variable
Independent Variable
11
Find the mode for the following: 6, 4, 3, 6, 3, 9, 5, 4, 3
5
4
3
6
12
Analyze the Pie Graph below. Which method of transportation is the least popular?
Walking
Car
Bus
Bike
13
The variable that you or the scientist MANIPULATES or CHANGES in the experiment is called...
Controlled Variable
Varying Variable
Independent Variable
Dependent Variable
14
How do you calculate mode?
It is the number that appears most often in the set
Subtract the lowest number from the highest
Add all the numbers then divide by the # of values
It is the middle number in the set.
15
This is the group in the experiment that DOES NOT receive the TREATMENT.
Testing
Hypothesis
Control
Experimental
16
Which of the following is NOT a rule you need to follow when writing a Hypothesis?
Needs to be in an "If...then..." format
Needs to be inaccurate
Needs to be confident
Must be testable
17
When scientists do step 4 (Analyzing Data) What are they doing in this step?
Seeing if they were correct or not.
Organizing it into charts and graphs to make sense of it.
Performing an experiment to test their hypothesis
Sharing their information with others.
18
More light will increase a turtles rate of growth. Identify the I.V. and the D.V.
I.V.= Amount of light & D.V.= Growth of Turtle
I.V.= Amount of food & D.V.= Growth of Turtler
I.V.= Amount of light & D.V.= Turtle's appetite
I.V.= Growth & D.V.= Amount of light
19
In order to keep an experiment FAIR you can only change _____ variable(s) at a time.
3
1
2
none
20
On a graph where should the dependent variable go?
The X-Axis
The Y-Axis
21
If your hypothesis is incorrect, what should you do?
Create Go back to step 1 and ask a new question
Go back to step 2 and create a new hypothesis
Go back to step 3 and create a new experiment
Start over from the beginning
22
How do you calculate median?
Subtract the lowest number from the highest
It is the number that appears the most often
It is the middle number in the set
Add all the numbers then divide by the # of values
23
How do you calculate mean?
It is the number that appears most often in a set
Subtract the lowest number from the highest
Add all the numbers then divide by the # of values
It s the middle number in the set
24
Create a title for a graph based on the following: Battery life increases as temps decrease.
What Improves Battery Life
Temperature Affects Battery Life
Battery Life Affects Temperature
Temperature Affects Batteries
25
A possible answer or solution to a question or problem.
Hypothesis
Educated Guess
Theory
Law
26
When finding mean, median, mode and range; what is the first thing you need to do?
Put all the even & odd numbers together
You do not need to do anything
Put numbers in numerical order
27
The variable that you MEASURE at the end of the experiment is called...
Dependent Variable
Controlled Variable
Measuring Variable
Independent Variable
28
The proper way to title a graph is...
(Dependent Variable) AFFECTS (Independent Variable)
(Independent Variable) loves the (Dependent Variable)
(Independent Variable) AFFECTS (Controlled Variable)
(Independent Variable) AFFECTS (Dependent Variable)
29
Find the median for the following: 2, 3, 6, 9, 10, 14, 20
6
9
10
7
30
What must you do first in the scientific method (Pre-step)?
Form a Hypothesis
Make an Observation
Make predictions
Ask a question
31
Eating while you take a math test will increase your score. What is the dependent variable?
Math Test scores
Type of snack
Math
Eating or not
