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Biophys Unit 1 Safety, Measurement, Scientific Method, and the Nature of Science Review Flashcards | StudBud
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Biophys Unit 1 Safety, Measurement, Scientific Method, and the Nature of Science Review
Biophys Unit 1 Safety, Measurement, Scientific Method, and the Nature of Science Review
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1
What is the control group in this experiment?
Students that drank water
Students that solved the puzzle
Students that drank coffee
Students that did the puzzle
2
What of the following is
not
an issue with this table?
No title
Units in field
IV is identified
No units in 3rd column
3
What is the precision that you would be required to measure in with this tool?
10 mL
1 mL
0.01 mL
0.1 mL
4
What variables are
not
controlled in the experiment?
The drinking
The puzzle
Random placement in group
Gender of students
5
Common laboratory practice when finished with a lab is to...
distract people nearby so they are unable to finish
celebrate with a high five
take off your goggles and then clean up then wash your hands
clean up, wash your hands and then remove your goggles
6
What is the problem students are solving?
If puzzles make you thirsty
If coffee effects concentration
How to solve a puzzle
If water effects concentration
7
Which could be an good hypothesis?
Coffee makes you smarter.
Times decrease when you drink coffee.
If you drink coffee, then you can solve a puzzle faster
8
What is this instrument graduated in?
0.10 mL
100 mL
1 mL
10 mL
9
What can be claimed from the following graph?
No relation
Volume of water is directly related to its mass
Volume of water is inversely related to its mass
10
Which of the following is not a metric base unit?
kL
kg
s
K
11
Which prefix would represent 1/10th of a base unit?
milli
kilo
centi
deci
12
What would be the independent variable in the example?
Solving the Puzzle
TheTime
Drinking Water
Drinking Coffee
13
Convert 2 m/s to km/min
0.12 km/min
2000 km/min
0.002 km/min
24000 km/min.
14
Which of the following is not a correct conversion factor?
1 L = 1000 mL
10m = 1 dm
1 kmol = 1000 mol
100 cs = 1 s
15
What would be the volume of this box in cm
3
?
270000 cm3
2700 cm3
27 cm3
27000000 cm3
16
Which property is measured in Kelvin?
time
volume
temperature
mass
17
How many mg would there be in 0.035 kg?
35000 mg
35 mg
0.000035 mg
350 mg
18
What can be claimed from the data below?
Gravity is directly related to altitude
Gravity is inversely related to altitude
Gravity is not related to attittude
19
Which characteristic of science deals with the ability to change and modify explanations?
Predictive
Tenative
Consistent
Testable
20
What is the dependent variable?
Drinking hot water
The time it takes to solve the puzzle
Drinking coffee
Solving the puzzle
21
Which of the following is not a step of the scientific method?
Problem
Hypothesis
Experiment
Obstruct
22
SDS Sheets contain information such as
hazards of chemicals
first aid measures
common names for chemicals
all of the preceeding
23
Which unit is not matched with the property is measures?
L and distance
g & mass
K and temp
s and time
