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WorksheetsLab Safety & The Scientific Method
Total questions: 35
Worksheet time: 35mins
Name
Class
Date
1.
You should never ______ chemicals in the lab.
a)
taste
b)
touch
c)
smell
d)
all of the above
2.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
3.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
4.
I can perform my own experiments with lab materials ___.
a)
I am sure it is safe to do so.
b)
Whenever I want to.
c)
When all of my group is ready.
d)
Never.
5.
Disrupting other students in the laboratory with horseplay in the lab is:
a)
helpful.
b)
allowed
c)
dangerous.
d)
the quickest way to do a job.
6.
What is the CORRECT procedure for students to follow if a chemical is spilled?
a)
Stand back and advise the teacher of the spill.
b)
Run madly out of the room.
c)
Splash large amounts of water onto the spill.
d)
Immediately ask to go to the restroom.
7.
At the end of the lab you see some leftover chemical that looks just like the stuff you were using. You should:
a)
put the chemical back in the jar it came from.
b)
sweep it into your hand and throw it out.
c)
tell the teacher so you can dispose of it properly.
d)
tell your classmates that your lab partner is really messy.
8.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
9.
You should report accidents to the teacher __.
a)
after the class is over
b)
immediately
c)
the following day
d)
never
10.
Labs are individual activities and you should ignore your group members or be the only one working.
a)
True
b)
False
11.
When should you look over the experiment instructions?
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter. Instructions are silly!
12.
Which of the following are examples of dressing appropriately in the lab?
a)
Pulling long hair back
b)
Leaving long hair down to get in the chemicals.
c)
Wearing sandals
13.
If you do not understand a direction or part of a laboratory procedure, you should
a)
ask the teacher before proceeding.
b)
skip it and go on to the next part.
c)
figure it out as you do the lab.
d)
try several methods until something works.
14.
It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.
a)
True
b)
False
15.
Before you leave the science room, you should
a)
wash your hands with soap and water.
b)
return all equipmernt to the proper storage area.
c)
clean your work area and equipment.
d)
all of the above.
16.
Always carry a microscope using both hands.
a)
True
b)
False
17.
Never remove chemicals, specimens, or other equipment from the laboratory.
a)
True
b)
False
18.
Read all procedures thoroughly before performing a laboratory investigation.
a)
True
b)
False
19.
You have been injured in the laboratory (cut, burned, etc.). First you should
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the teacher at once.
d)
apply first aid yourself.
20.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
21.
It's fine to smell chemicals directly from their containers.
a)
True
b)
False
22.
What should you NEVER do in the lab?
a)
Play practical jokes on people
b)
All of these
c)
Run while holding a beaker with chemicals
d)
Mess around with your friends
23.
What should you always do before conducting a lab?
a)
Discuss what you will do this weekend
b)
Begin the experiment
c)
Read ALL the directions
d)
just sit quietly and do nothing
24.
The MOST important thing in laboratory experiments is
a)
getting done first
b)
safety
c)
getting the answer right.
d)
penmanship (good handwriting)
25.
Helping to clean up the lab or classroom is the job of
a)
the janitors
b)
the teacher only
c)
each and every student
d)
the principal
26.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
27.
What is a hypothesis?
a)
A hypothesis is the right answer to an experiment.
b)
A hypothesis is the wrong answer to an experiment.
c)
A hypothesis is an educated guess.
d)
I don't know.
28.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
hypothesis
29.
A series of steps used by scientists to solve a problem or answer a question.
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
30.
On the way to lab, your friend offers offers you their extra hotdog. What do you do?
a)
Bring the hotdog to lab to eat.
b)
Bring the hotdog to lab and save it for later.
c)
Decide to not bring the hotdog to lab.
d)
Offer it to someone else in the lab.
31.
The graph shows the favorite fruits of some students. How many more students chose a banana as their favorite fruit than a peach?
a)
2
b)
5
c)
6
d)
17
32.
If you are unsure about your data results you should...
a)
do more trials
b)
quit and be done
c)
guess what would happen
d)
A and B
33.
The first step of the scientific method is to make a(n) ____________ of something in the world.
a)
observation
b)
paper airplane
c)
hypothesis
d)
conclusion
34.
Important information observed using your 5 senses and written while doing an experiment is called
a)
Data
b)
Hypothesis
c)
Materials
d)
Conclusion
35.
A question about the natural world is a(n)
a)
hypothesis
b)
problem
c)
constant
d)
conclusion
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