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Ch 1 Science 7 Flashcards | StudBud
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Ch 1 Science 7
Ch 1 Science 7
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#Experimentation #metric measurement #Life Science
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1
The scientific method is used to solve many problems. One of the first steps is:
collecting data
asking a question
analyzing data
drawing a conclusion
2
A variable that is unchanged throughout an experiment is called the :
control variable
independent variable
dependent variable
experimental variable
3
The conversion factor for changing the unit of length in the metric system is a multiple of
5280
12
3
10
4
The process that scientists use to answer all questions is called the
English System
Metric System
International System of Measurement
Scientific method
5
A line graph is the best type of graph to use when
plotting any type of scientific data
comparing categories of variables
one variable causes a second variable to change in value
comparing quantities of variables as percentages
6
A graduated cylinder is used for
measuring area
measuring mass
measuring length
measuring volume
7
If 1" = 2.54cm. A shoe is 9" long. How long it is in cm?
11.54 cm
6.46 cm
3.54 cm
22.9 cm
8
Scientist from around the world share data using the
English system
International System of Measurement
scientific system
control system
9
A factor that affects the behavior of a system is called a(n)
analysis
natural law
variable
experiment
10
Find the volume of the fish tank that is 50cm x 20cm x 30cm.
1000cm3
1300cm
3000cm3
3000cm
11
Units of concentration are used when measuring
the amount of salt dissolved in water
the amount of water a plant needs
the mass of a rabbit
the temperature of a fish tank
12
The independent variable on a graph:
All of these are correct.
is changed by the experimenter
is drawn on the x-axis.
may cause a change in the experimental system
13
It would be best to measure the length of an earthworm in
cm
km
ml
degrees
14
You have to study organisms in a 4m x 4m plot. What is the area?
16m2
1m2
8m2
8m
15
All of the following are components of the scientific method EXCEPT:
forming hypotheses
asking questions
making wild guesses
testing hypotheses
16
The amount of matter that makes up something is known as
surface area
length
mass
volume
17
A fish tank requires 12 ppt of dissolved oxygen. What does 12 ppt mean?
the fish tank's temperature can reach a low of 12 degrees
his fish tank can only hold 12 different types of fish
there are 12g of oxygen dissolved in every mm of water
there 12g of oxygen dissolved in every liter of water
18
A hypothesis
should be a random guess
is always wrong
is always right
may be correct, partially correct, or incorrect
19
The study of life is known as
Biology
Astronomy
Physics
Chemistry
20
When making a batch of gatorade, Coach Cook added 2 quarts of water. What measurement is this?
area
temperature
mass
volume
21
In a middle school biology class, you can expect to learn about everything EXCEPT:
coyotes
volcanoes
cells
worms
22
In a direct relationship:
variables change randomly
when one variable increases, the other decreases
there is no change in data
as one variable increases, so does the other.
23
The wrestling team would weigh-in in units of___.
centimeters
grams
liters
kilograms
24
The downward curve of water in a graduated cylinder is called
a flask
a cylinder pocket
an air bubble
a meniscus
