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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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#8th grade #thms
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
What is the control in the picture?
How tall the plants grow
White light
Blue light
The type of plant
2
Daniel thinks the design of a paper airplane will affect how far it flies. What is the IV?
The type of paper
The distance the plane flies
The airplane design
The number of trials
3
Brad wants to know about water pollution in VA. What would be the best source of information?
Brad's science textbook
Encyclopedias from the library
VA department of Environmental Quality website
THMS Science website on pollution experiments
4
The standard for comparison in an experiment is called--
a constant
an independent variable
a control
a dependent variable
5
What is a dependent variable?
what change as a result of changing the independent variable
what the experimenter can change
the standard for comparison
a factor that stays the same
6
Sam thinks that adding coconut water to your hair will make it grow faster. What's the control?
coconut water
the growth of the hair
the amount of people per group
the hair with regular shampoo
7
A factor in an experiment that stays the same is called--
a dependent variable
an independent variable
a control
a constant
8
Sal thinks that a heavier cart will roll down a hill faster. What is the dependent variable?
how fast the cart rolls down the hill
how heavy the cart is
the number of trials
the hill used
9
Jo tests if fertilizer affects the growth of roses. Which of the following should be constants?
amount of water, light, pots, type of roses
type of roses, amount of water, fertilizer
type of roses, pot, growth of roses
growth of roses, amount of water, light
10
Jill wants to investigate polar bears in Alaska? Which is NOT a good source of information?
ABC news report
U.S. Fish and Wildlife Service Website
Alaska's state polar bear expedition website
A current Science Journal article
11
The variable that is changed by the experimenter is called the---
control
independent variable
constant
dependent variable
12
Why should you have repeated trials in an experiment?
to verify the results and have valid conclusions
to conduct experiments with more variables
to revise (change) each step of the procedure
to develop a new theory
13
Alex tests how temperature affects sugar dissolving in water. What makes this invalid?
The design needs more sugar cubes
You should never use hot plates in science
The amount of water in each glass is not equal
The design has too many variables
14
If students study, they will score at least a B on the test. What's the independent variable?
the number of people per group
the score on the test
time studied
the test given
