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