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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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A review of the scientific method and experimentation.
Flashcards
14 cards
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Questions
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Answers
1
Which of the following is an appropriate title for a graph?
Plant growth ranges from 1 to 9 cm
The graph
The effect of temperature on plant growth
The plant grew most in 70o F
2
"What is the effect of fertilizer on fish health?" What would be the experimental group?
The fertilizer
Small ponds with increasing amounts of fertilizer
Small pond with no fertilizer
Identical ponds
3
How would you set up an experiment to test if sunlight increases tomato size?
Make observations of the tomato plants.
Put 10 plants in sun, 10 in shade, measure size of tomatoes.
Tomato plants need sunshine.
Put 10 plants in sun, 10 in shade, measure rate of growth.
4
A factor that can be changed in an experiment is called a ___.
conclusion
data
variable
control
5
An experiment to see how food affects memory. What is the dep. var.?
Number of words given to memorize
Number of students in each group
Number of words remembered
Whether or not students get food
6
"What is the effect of fertilizer on fish health?" What is the independent variable?
Number of fish
Size of pond
Fertilizer
If the fertilizer is increased then algae growth will go up.
7
Where does the title go on a graph?
Bottom
Right
Left
Top
8
An experiment to see the effect of nail polish on the strength of nails. What is the dep. var.?
Length of nails
Strength of nails
Type of nail polish
Color of nail polish
9
Which would be data to show whether lizards will bask in the sun if it is hot or cold out?
The color of each lizard.
The amount that each lizard moves in the tank.
The number of insects the lizard eats.
The time lizards spend in the sun at different temps.
10
An experiment to see how the amount of water affects size of avocados. What is the indep. var.?
Size of avocados
Type of water
Amount of water
Number of avocados
11
"What is the effect of fertilizer on fish health?" What would be the control group?
The fertilizer
Small ponds with increasing amounts of fertilizer
Small pond with no fertilizer
Identical ponds
12
An experiment to see how the amount of water affects size of avocados. What is the indep. var.?
Number of avocados
Size of avocados
Amount of water
Type of water
13
To be reliable, an experiment must....
be repeated many times with similar results.
have large sample groups.
be the same as the hypothesis.
have data collected on only the positive results.
14
What type of variable is held constant in an experiment?
dependent variable
observation variable
independent variable
controlled variable
