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Biology 1: Unit 1 - Introduction to Biology Flashcards | StudBud
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Biology 1: Unit 1 - Introduction to Biology
Biology 1: Unit 1 - Introduction to Biology
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#lab equipment #lab safety #scientific method #interpreting graphs
Flashcards
38 cards
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Questions
38
Answers
1
In an experiment, holding everything constant except the independent variable is NOT important.
True
False
2
A factor in an experiment that is deliberately changed or manipulated is the ________________________.
Independent variable
Dependent variable
Constant variable
Control variable
3
What graph is used to show a change over time?
Bar Graph
Line Graph
Circle (pie) Graph
All of the above
4
The dependent variable is plotted on the x-axis of a graph.
False
True
5
Which of the following is NOT a base in the metric system?
Meters
Yards
Grams
Liters
6
In the lab, a _____________________ is used to obtain mass.
triple-beam balance
test tube
graduated cylinder
beaker
7
The best graph to use to plot the growth of bacteria would be a __________ graph.
scatter plot
bar
bar
line
8
Weights were put on a paper airplane to see if the plane would fly a longer distance. What is the independent variable?
Weights
Distance
None of above
Paper airplane
9
The decimal is moved to the left when converting smaller metric measurements to larger metric measurements.
True
False
10
4.5 kilometers = _________ mm
4,500,000
.0000045
45
4,500
11
The SI base unit for time is the _______________.
hour
minute
second
all of the above
12
The boiling point of water in celsius is ________ degrees.
100
212
95
150
13
Long hair must be tied back in the lab.
False
True
14
In the lab, what equipment should be used to measure liquids?
Erlenmeyer flask
Graduated cylinder
Beaker
All of the above
15
In an experiment, the control group receives __________________.
the independent variable
the dependent variable
no variable or treatment
none of the above
16
How many variables are changed in a controlled experiment?
One
Three
As many as possible
Two
17
The most appropriate measurement to use to measure the length of a pen is ____________.
millimeters (mm)
centimeters (cm)
meters (m)
Dekameters (Dm)
18
Which of the following items are appropriate to wear in the lab?
Shorts
Open toed shoes
None of the above
Dangling earrings
19
1 millimeter = ________ meters
1/10 or .1
1000
100
1/1000 or .001
20
A hypothesis is a ____________.
Information gathered from observations
A testable explanation for a set of observations
A logical interpretation based on what scientists know
A personal opinion
21
Select the correct order of metric prefixes from smallest to largest
Kilo, Hecto, Deka, deci, centi, milli
milli, centi, deci, Deka, Hecto, Kilo
Hecto, Deka, Kilo, milli, deci, centi
deci, milli, centi, Hecto, Kilo, Deka
22
One kilometer = _____________ meters
10
1000
100
1
23
A logical interpretation based on what scientists know is a/an _____________________.
observation
guess
opinion
inference
24
160.2 mg = ________ g
.01602
.1602
1602
160,200
25
The amount of milk in a milk jug should be measured in ____________.
grams
liters
all of the above
meters
26
A _________ graph is used to show parts of a whole or to compare percentages.
circle
none of the above
line
bar
27
What is the first step in the Scientific Process?
Observe a problem or situation
Form a hypothesis
Perform an experiment
Collect data
28
Scientists should publish their work because it can ________________.
reduce bias
be replicated
be peer reviewed
All of the above
29
All of the following are examples of qualitative data, except __________?
texture
smell
time
appearance
30
Choose the statement that is an opinion and not an observation.
The window is closed
M&Ms are better than a Kit Kat
It is raining today.
There are posters on the classroom walls.
31
Grams would be used to measure the height of a desk.
True
False
32
The most appropriate measurement to use to measure the mass of a large binder clip is ____________.
kilograms
grams
milligrams
decigrams
33
During an experiment, the ___________ variable changes and can be observed and measured.
dependent
independent
constant
control
34
A scientist suggests plants will grow faster in soil enriched with nitrogen. This is an example of a/an _________?
opinion
observation
hypothesis
theory
35
What International System of Units (SI) is used in Science?
Metric
Metric and Imperial
Old English
Imperial
36
The type of graph that is used to show information collected by counting is a ________ graph.
bar
line
circle
bar and line
37
Quantitative data does NOT include ______________.
colors
time
measurements
numbers
38
A researcher notices that a species of bacteria appears to grow faster at a warmer temperature. This is a/an __________.
opinion
hypothesis
observation
theory