WorksheetsScientific method and Lab Safety
Total questions: 32
Worksheet time: 23mins
Name
Class
Date
1.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
2.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
3.
In a controlled experiment, how many variables can be worked with at a time?
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.
4.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
5.
What is being changed in this experiment?
a)
temperature of the stove
b)
how fast the water boils
c)
amount of water
6.
A hypothesis is simply a prediction that has not yet been _.
a)
proven or disproven
b)
made into a theory
c)
results calculated
d)
written about
7.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
8.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
9.
The scientific method is made up of several:
a)
stones
b)
experiments
c)
problems
d)
steps
10.
Why are approved eye protection devices (such as goggles) are worn in the lab?
a)
A. To improve your vision
b)
B. To make you look like a bug
c)
C. To give you headaches
d)
D. To protect eyes around chemicals, heat, or glassware
11.
You are in lab and your partner accidentally gets their hair stuck in a triple beam balance. What should have your partner done?
a)
A. Worn a hat in class
b)
B. Skipped class
c)
C. Got a hair cut
d)
D. Tied/pulled their hair back
12.
If you have been injured in the lab, what should you do first?
a)
A. Apply the first aid yourself
b)
B. Go to doctor after school in a few hours
c)
C Tell your science teacher immediately
d)
D. Not tell anyone
13.
If you see a science experiment set up in the classroom...
a)
do not touch anything until instructed.
b)
immediately begin working on the lab.
c)
go and check all equipment.
d)
walk around and check each station.
14.
You may eat or drink in the science laboratory...
a)
after you have washed your hands.
b)
on the days you are not doing a lab.
c)
only from the beakers.
d)
at no time unless given teacher approval.
15.
Which of the following should not be worn during laboratory activities?
a)
loose clothing
b)
dangling jewelry
c)
open-toed shoes
d)
all of the above
16.
You have been injured in the laboratory (cut, burn, etc.) The FIRST thing you should do is...
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the science teacher straight away.
d)
apply first aid to yourself.
17.
How should you enter the classroom?
a)
Loud and in a rush
b)
Quiet and in a hurry
c)
Quiet and ready to learn
d)
Loud and ready to sleep
18.
Bob and Lizzy are working in the lab. They are goofing off and break a glass test tube. Which rule did the break?
a)
Know the location of the safety equipment.
b)
Do not eat or drink in the lab.
c)
Read instructions.
d)
No playing around!
19.
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.
20.
Follow all ________________ instructions and directions carefully.
a)
written
b)
verbal
c)
silly
d)
written and verbal
21.
When in the lab you should wear...
a)
open-toed shoes.
b)
sandals.
c)
closed-toes shoes.
d)
no shoes.
22.
Which of the following is NOT a safe lab practice?
a)
Keep chemicals, glassware, and other equipment away from the edge of the lab table.
b)
After removing glassware from a heat source touch it right away to see if it is cool.
c)
Report minor accidents to your lab supervisor and/or teacher.
d)
Carefully heat chemicals in a flask with teacher supervision.
23.
When asking a question or responding to a question, what actions should you take?
a)
Blurt your question or answer out loud.
b)
Raise your hand and blurt while raising your hand.
c)
Raise your hand quietly and wait to be called on to answer.
d)
Just don't answer questions or ask them.
24.
The proper way to enter the classroom is to...
a)
run in yelling and screaming
b)
dance in with music blaring
c)
late and loud
d)
calmly and respectfully
25.
Cell phones may only be visible in class if…
a)
it is an emergency
b)
teacher has given prior permission
c)
you're having a bad day
d)
you work better with music
26.
At the end of class, where are you allowed to wait for the bell to ring?
a)
By your friend
b)
By your desk
c)
By the door
d)
Anywhere you want
27.
It is my responsibility to:
a)
Complete all required classwork
b)
Keep my binder organized
c)
Come to class prepared
d)
All of the above
28.
After you enter the room at the beginning of class, you should travel directly to your seat (or get your writing journal) and get yourself situated - sharpen pencils, etc.
a)
TRUE
b)
FALSE
29.
What's an example of showing respect?
a)
Looking out the window.
b)
Listening to the speaker.
c)
Ignoring the person.
d)
Yelling at that person.
30.
What does it look like to be ready to learn?
a)
Having all your materials.
b)
Forgetting your homework.
c)
Not being able to find your book.
d)
Coming late to school.
31.
Sleeping is allowed
a)
at home
b)
during class activities
c)
during videos
d)
during lectures
32.
Classroom rules are...
a)
Follow teacher directions
b)
Keep your head up and stay awake ALL period.
c)
Complete assigned activities for the entire period.
d)
All are correct.
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