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WorksheetsScientific Method & Lab Safety
Total questions: 46
Worksheet time: 54mins
Name
Class
Date
1.
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
2.
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.
3.
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
4.
This variable is the actual data collected during the experiment.
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
5.
There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?
a)
quantitative
b)
qualitative
6.
There are two types of data. Which type of data involves descriptions that cannot be counted or measured?
a)
qualitative
b)
quantitative
7.
What is a hypothesis?
a)
an educated guess stating what you believe will be the result of your experiement
b)
a random guess
c)
a statement of the outcome of your experiment
d)
step by step directions for your experiment
8.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What variables should be kept constant/controlled?
a)
type of plant, flower pot, soil, and amount of sunlight
b)
water, apple juice, milk
c)
only the amount of sunlight
d)
type of plant only
9.
What is being changed in this experiment?
a)
ramp height
b)
the speed that the ball rolls
c)
type of ball
10.
What is being measured or the result/effect of this experiment?
a)
ramp height
b)
the speed that the ball rolls
c)
type of ball
11.
What is being kept constant?
a)
ramp height
b)
speed of the ball rolling
c)
type of ball
12.
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.
13.
There is an accident and you burn your finger. What do you do?
a)
Wrap it up
b)
Nothing, finishing the lab is more important
c)
Notify the teacher and apply first aid as soon as possible
d)
Run to the nurse
14.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
to avoid eye strain
b)
to improve your vision
c)
only if you do not have corrective glasses
d)
any time chemicals, heat, or glassware are used
15.
Trying something you saw on youtube is
a)
dangerous because you don't know if the source is relaible
b)
dangerous because you don't know if the video is authentic and unaltered
c)
dangerous because you are not a professional and can't predict the dangers
d)
all of these
16.
2 ways that scientific investigations can be retested are:
a)
measurement and control
b)
repetition and replication
c)
defining a problem and hypothesizing
d)
concluding and analyzing
17.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
18.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
19.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
20.
Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was the dependent variable?
What was the dependent variable?
a)
The Song
b)
The Reed
c)
The Applause
d)
The instrument
21.
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
22.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
23.
Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
(Hint: The DV is the variable being counted or measured.)
(Hint: The DV is the variable being counted or measured.)
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
24.
Which piece of lab equipment would be used to find the volume of a small circular rock?
a)
Graduated Cylinder
b)
Metric Ruler
c)
Triple Beam Balance
d)
Beaker
25.
Which piece of lab equipment would you use to find the mass of a rock?
a)
Graduated Cylinder
b)
Metric Ruler
c)
Triple Beam Balance
d)
Beaker
26.
Which would be a qualitative observation?
a)
The color of milk
b)
The number of eggs used
c)
The temperature at which the egg boiled
d)
The time it took the egg to cook
27.
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
28.
Which object's speed is increasing A or B
a)
A
b)
B
29.
How much water is in the graduated cylinder
a)
40
b)
30
c)
35
d)
36
30.
How much weight is on this triple beam balance?
a)
272 g
b)
272.5 g
c)
270 g
d)
372 g
31.
The rock's volume is 60mL. What will the volume be if i take it out?
a)
180 mL
b)
240 mL
c)
120 mL
d)
0 mL
32.
The formula for density is...
a)
volume/mass
b)
volume+mass
c)
mass x volume
d)
mass/volume
33.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
34.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
35.
Scientific Question: Does playing video games improve reaction time?
What is the dependent variable?
What is the dependent variable?
a)
playing video games
b)
reaction time
c)
type of video game
36.
Students are growing plants in the dark or in the light to see which grows better. They put 3 seeds in the dark and 5 seeds in the light because they know seeds are more likely to dry out in the light.
How could this experiment be improved?
How could this experiment be improved?
a)
Put all plants in the light.
b)
Put all plants in the dark (where they sprout better)
c)
Put the same number of seeds in each container.
d)
put all the plants in the light so they grow better
37.
Students experiment on wilting. They take 2 plants of the same size. They put one in full sunlight and leave one in the classroom. After 2 hours, the plant in the sun has drooped.
Students conclude that sunlight causes wilting. How could this experiment be improved?
Students conclude that sunlight causes wilting. How could this experiment be improved?
a)
Do more trials. Only 1 plant in each spot isn't much repetition.
b)
They should put both plants in the same location.
c)
They should leave the plants in the location for less time so the plant isn't hurt by the sun.
d)
They should make sure to water both plants first.
38.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
39.
The control group is the...
a)
group you are testing
b)
"normal" group
40.
Is this a testable question?
What types of apples grow in Missouri?
What types of apples grow in Missouri?
a)
Yes
b)
No
41.
Is this a testable question?
How does talking to a plant affect a plants height?
How does talking to a plant affect a plants height?
a)
yes
b)
No
42.
The part of the experiment that remains the same for the control and experimental group.
a)
constants
b)
control
c)
independent
d)
dependent
43.
Which of these contains steps in the right order?
a)
Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion
b)
State your hypothesis, ask a question, research, experiment, analyze, make a conclusion
c)
Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion
d)
State your hypothesis, ask a question, research, make a conclusion, experiment, analyze
44.
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
45.
On a graph, the independent variable is typically located on which axis?
a)
X-axis
b)
Y-axis
c)
it is never graphed
46.
On a graph, the dependent variable is typically located on which axis?
a)
X-axis
b)
Y-axis
c)
it is never graphed
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