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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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A review of PHEOC
Flashcards
15 cards
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Practice quiz
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Questions
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Answers
1
A law is:
A hypothesis that can be proven true with math
The variable that does the changing (the effect)
Variable that is kept constant during an experiment
Information gathered during an experiment
2
A student counts the number of marbles in a jar. This is an example of:
qualitative data
quantitative data
3
"Does length of a worm affect digging ability?" What is the dependent variable?
length
breed
digging ability
time of day
4
In an experiment what is the independent variable?
a varaiale that is kept the same
the EFFECT of changing a variable
something that can be measured with a ruler
the one variable that is different. It causes a change to occur
5
A student tests different liquids to see which will stop an apple from browning. What variable should he control?
the type of apple
all of the above
the amount of browning
the liquid
6
In an experiment, the dependent variable is;
the EFFECT of changing one variable
something that can be observed with your 5 senses
a variable that is kept the same
the one variable that is made different. It causes a change to occur
7
In an experiment, CONTROL VARIABLES are:
the one variable that is made different. It causes a change to occur
anything that you can control with magical powers
variables that are kept the SAME
The effect of changing one variable
8
Why is GRAVITY considered to be a LAW?
it can be proven with MATH
it cannot be proven
9
Which of the following is a TESTABLE hypothesis?
ice cream is delicious
roses are more beautiful than violets
Science is the best class in the school!
a plant needs at least 5 hours of sunlight to grow
10
Evolution is one example of a theory. Why is it considered to be a theory?
No one is allowed to test whether it's true or not
It's been tested many times
Evolution cannot be proven
Scientists don't need to test it anymore
11
A ruler is used to measure the length of a worm. This is an example of:
quantitative data
qualitative data
12
A student observes a bright flash of light during a chemical reaction. This is a(n)
direct observation
indirect observation
13
A scientist tests:Does the color of a balloon affect the time it can float in the air? What is the Independent variable?
the size of the balloon
color of the balloon
the length of the string
time in the air
14
"Does drinking Monster increase your heart rate?" Which variable should be controlled?
the person's heart rate
the amount of Monster each person will drink
15
A theory is:
A hypothesis that is time tested, but can't be proven true
Anything that changes the outcome of an experiment
A hypothesis that can be proven true with math
An educated guess
