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Safety & The Scientific Method
Safety & The Scientific Method
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1
Why is it important to have a control group when using the scientific method?
To keep everything the same
To get the best results
To have something "normal" to compare the results to
So you can control the results
2
In an investigation, the factors that do not change are called what?
The independent variable
The control
The dependent variable
The data
3
What type of observation is taking place when measurement tools are used?
Quantitative
Qualitative
4
Before you leave the science room, you should...
clean your work area.
wash your hands.
return all of your materials properly.
all of the answers.
5
Before any scientific investigation takes place, what must happen first?
the hypothesis
the research
the purpose
the conclusion
6
What type of model is pictured?
conceptual
super model
mathematical
physical
7
The
ONE
factor that the scientists can change in an experiment is called the...
Hypothesis
Independent Variable
Control
Dependent Variable
8
Choose the statement that is an OBSERVATION rather than an inference.
The squirrel is hungry.
The squirrel has a furry body.
The squirrel is happy.
The squirrel seems tired.
9
It is also called an educated guess and is written as an
if... then...
statement
Hypothesis
Problem
Experiment
Question
10
The factor that changes
as a result
of the change the scientist made is called the...
Hypothesis
Dependent Variable
Control
Independent Variable
11
When the teacher is out of the Science class...
none of these activites.
hide in the science closet.
you may conduct experiments.
throw things out the windows.
12
A control group is used ...
to compare a variable to
as data
for multiple trials
as a conclusion
13
If a fire erupts in the classroom you should quickly....
grab the fire extinquisher
run around the room
tell the teacher
open the window
14
If something breaks during Science class...
put it back with the other materials.
use it anyway.
tell the teacher.
hide it so no one knows you did it.
15
The reason you should not eat candy during Science class is because...
the teacher may see you.
your friend will tell on you.
you need to share with others.
if you are working with chemicals you might eat it too.
16
What is the one thing that a hypothesis must be?
predictable
correct
changeable
testable
17
What is the safe way to smell a chemical?
Don't
not safe to smell, but taste it instead
gently wafting the smell toward your nose
getting your nose close & deeply inhaling
18
After completing the lab, scientists should communicate their results by......
call the news
calling mom
doing a happy dance video on you tube
publish results in scientific journal
19
It is important to wear safety glasses ...
for all experiments.
only when they fit right.
when instructed by the teacher.
when you feel there is danger.
20
After completing an experiment, all chemical wastes should be...
dumped in the sink.
left on the counter for someone else to pick up.
disposed of like the teacher instructed.
taken home.
21
If a chemical splashes in your eyes, you should immediately:
Flush your eyes with the eyewash.
Rub your eyes for 3 minutes.
Yell: "Help, I'm dying!
Run out of the classroom.
22
If you get injured in class you should...
tell the teacher.
go to the doctor after school.
take care of your injury yourself.
go straight to the nurse.
23
When we gather information with our senses - taste, touch, smell, see, hear - it is called...
making qualitative observations
performing experiments
forming conclusions
stating hypotheses
24
Horseplay, practical jokes, or pranks in the classroom are...
okay.
okay if you are alone.
dangerous.
always against the rules.
