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(8th) NOS/Lab Safety Quiz Flashcards | StudBud
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(8th) NOS/Lab Safety Quiz
(8th) NOS/Lab Safety Quiz
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8th Grade Lab Safety Quiz
Flashcards
45 cards
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Questions
45
Answers
1
Which of the following is a method of analyzing data?
making a prediction
revising a hypothesis
stating a problem
making a chart/graph
2
What are the three things needed for a fire?
Plastic/Oxygen/Wood
Fuel/Heat/Oxygen
Oxygen/Nitrogen/Spark
Oxygen/Plasma/Plastic
3
Why is communication an important part of the scientific process?
it helps science progress more quickly
it limits the flow of secret information
it means results do not need to be confirmed
it ensures that nobody makes mistakes
4
A hypothesis is simply a prediction that has not yet been __________.
written about
results calculated
proven or disproven
made into a theory
5
This item is not located in the Laboratory
Fire Extinguisher
Fire Shower
Fire Alarm
Fire Blanket
6
Where is the NFPA Diamond located?
On the lab paper handouts
On Chemical Bottles
All of the Above
On Posters in the Lab
7
How many liters are there in a 2 liter bottle of soda?
1.5
1
2.5
2
8
The following are all features of the lab EXCEPT:
Safety Shower
Safety Sinks
Safety Vent Hood
Fire Blanket
9
What is the acronym to remember when using a fire extinguisher?
P.A.S.S.
S.W.E.E.P.
P.U.L.L.
F.I.R.E.
10
An explanation of observations or events based on knowledge gained from many observations and investigations is called:
Safety regulations
A Scientific Theory
A Scientific Law
The Scientific Method
11
Blue is false?
False
True
12
Which step is not necessary in handling a fire extinguisher?
Pull the Pin
Pass the Extinguisher
Sweep side to side
Aim
13
Which color of the NFPA sections of the diamond corresponds to the Fire Hazard?
White
Yellow
Blue
Red
14
Scientists use this system to write or display very small or very large numbers.
Percent Error
Scientific Method
Calculus
Scientific Notation
15
What does this safety symbol stand for?
Biohazard
Corrosive
Oxidizer
Environmental Hazard
16
A description of how similar or close measurements are to each other is called __________________.
Accuracy
On Target
Bullseye
Precision
17
A scientific theory cannot be modified.
False
True
18
Which is/are information gathered during experiments?
a hypothesis
a theory
conclusions
data
19
The internationally accepted system of measurement, used by scientists, is called: _______________
The UN
International System of Units
The Scientific Method
The United System of Units
20
A scientific law explains why or how the pattern happens.
False
True
21
Is 3,550 mm larger than 3000 meters?
No
Yes.
All of the above
Not enough information
22
Flip flops are acceptable footwear for a lab period
True
False
23
_________________ is the base unit used to measure
electric current
is:
Ampere
TJ Watts
Volts
Magnitude
24
You use your five senses to describe something
experiment
observation
prediction
conclusion
25
A description of how close a measurement is to an accepted value is called __________________.
Precision
Closeness
Accuracy
On Target
26
How many base SI units are there?
3
7
120
8
27
How are
predictions
used in the scientific process?
to help scientists analyze data
to help scientists communicate results
to help scientists test hypotheses
to help scientists formulate theories
28
What is 50,000 in scientific notation form?
500 x 102
0.5 x 104
5 x 1010
5.0 x 104
29
What does this safety symbol stand for?
Explosive material
Biohazard
Oxidizer
Harmful/Irritant
30
What two steps do you take after coming to a conclusion in the scientific method?
Start over and give up
Share results or retest the experiment
None of the above
Duplicate results and hoard the data
31
What is percent error?
A number of how many experiments you have to do to find the value needed.
The percentage of how big a test is.
The only number needed to represent how many tests you have done.
A percent of how far your experimental value is off of the accepted value.
32
Broken materials should be...
Disposed of in any garbage can after telling the teacher
Disposed of properly and quickly.
Disposed of in the appropriate waste bin after telling the teacher
Thrown away the appropriate waste bin before the anyone finds out about it
33
_________________ is the base unit used to measure
length
is:
Miles
Yards
Meters
Inches
34
What is 0.5 in scientific notation?
5.0 x 10-2
5.0 x 10-1
Does not exist
0.5 x 100
35
Which color of the NFPA sections of the diamond corresponds to the Instability Hazard?
Red
Blue
White
Yellow
36
What will be washed while labs are being conducted?
Hands
Lab Bench
All of the Above
Lab Materials
37
Is the exponent negative or postitive when you write 0.00029 in scientific notation?
Both
I don't know
Postitive
Negative
38
What is 9.27 x 10
5
in standard form?
92,700
927,000
927,000,000
9,270
39
What does this safety symbol stand for?
Toxic
Biohazard
Corrosive
Explosive
40
All
measurements have some degree of error, or uncertainty.
False
True
41
Charts, tables, and graphs are used to ________________ in the scientific method.
Draw a hypothesis
Analyze data
Create observations
Conclude your test
42
What is science?
the study of outer space
a subject in school
work in a laboratory
the process of trying to understand the world
43
When a scientist makes a quick guess about something, it is called a
scientific theory.
True
False
44
The scientific method is used in everyday life to acquire/get information.
True
False
45
Which is the application of science to make tools that people can use?
control
technology
safety
a trial
