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Scientific Method Review Flashcards | StudBud
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Scientific Method Review
Scientific Method Review
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1
The time it takes to run a mile depends on the person's runnings speed. What's the Indep. Var?
The person running
The mile
The time it takes to run a mile.
The person running's speed
2
Test if the amount of coffee grounds of the same brand makes it taste different. Dependent Var?
Brand of coffee
Taste of the coffee
Coffee grounds
Amount of Coffee
3
Dan added paper clips to a paper airplane to see if the weight affected distance. Depend. var?
Paper clips
The distance the plane flew
Dan
Paper airplane
4
Bart microwaved mice to see if it made them stronger. Whats the Dependent variable?
Bart
The mice strength
The microwave
The microwaved mice
5
What is the independent variable?
A factor that may change if the indep. variable is changed
The variable that is by itself.
Thefactor that is manipulated by the scientist.
The thing that is not changed in the experiment.
6
What is the step in the scientific method in which we find out what we want to know about?
Test the Hypothesis
Form a conclusion
Analyze data
State the problem
7
What is a procedure?
A set of guidelines for each step in the experiment
The items your are testing in your experiment
The steps you take to make a graph of your data
A list of items in the experiment
8
What is an explanation based on conclusions of many repeated experiments and/or observations?
A "rule of nature"
A theory
A law
9
Which step in the scientific method determines how accurate a hypothesis was?
Drawing a conclusion
Doing background research
Testing your hypothesis
Retesting your findings
10
What is an easy way to organize data?
Write a research paper
Create a graph
Download it to the computer
Put it in a filing cabinet
11
True or false: Once you have reached a conclusion it's not important to retest your findings.
False
True
12
Music's affects on students pulse based on genre. What's the dependent variable?
Students
Types of music
Classical music
Pulse rate
13
Test if student age affects the speed they complete the same puzzle. Independent variable?
The age of the student
The amount of puzzle pieces
The puzzle
The speed of completion of the puzzle
14
Define what a dependent variable is
The item that remains the same throughout the experiment
Thefactor that is manipulated by the scientist.
A factor that may change if the indep. variable is changed
The item that is removed
15
We want to test if a Dog flea collar will repel more fleas than no collar. What's the control?
The group with no collar
The dog flea collar
The dog
The flea
16
Jay wanted to see measure ice cube height in different temperatures of water. Independent V?
Height of ice cube
Temperature of water
Amount of water
Size of ice cube
17
What is a hypothesis?
a scientific procedure carried out by specificguidelines
The possible explanation or solution to a problem.
The report that states the findings of your experiment
Your organized data
18
Tim found that more bushels of potatoes were produced with more fertilized soil. Control?
Fertilized soil
Amount of potatoes produced
Unfertilized soil
The area the potatoes are grown.
19
How fast it takes Jim to react to different sounds. What's the dependent variable?
Playing the sound
Jim
How fast Jim reacts
Different sounds
20
What is an experimental control?
The variables combined to create the experiment.
A 2nd experiment testing everything but the indep variable.
A new button on a computer keyboard
Thefactor that is manipulated by the scientist
