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Scientific Method and Lab Safety Flashcards | StudBud
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Scientific Method and Lab Safety
Scientific Method and Lab Safety
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1
What is the first step of the scientific method?
experiment
identify a problem/ask a question
share/publish results
2
What is the Scientific Method?
design created by scientist that can only be used in a lab
scientific organizational chart similar to the dewey system
multi-step process used to solve problems
3
What type of safety gear should be worn during all labs?
hand
eye
shoe
4
If you have been injured in the lab the first thing you should do is ...
notify the teacher
call your parent
go to the school nurse
5
How do you test your hypothesis?
conduct an experiment
share/publish results
identify a problem/ask a question
6
After completing an experiment, all chemical wastes should be ...
poured down the sink
disposed of properly
dumped outside away from the building
7
Hypothesis can be based on research such as observations or
Newton's Laws
a visit to the library.
prior knowledge
8
In Holly's "manure" experiment what was the independent variable? (cause)
there wasn't one
amount of growth
type of manure
9
Scientists can organize their observations using ....
all of the above
charts
graphs
10
How can scientists lessen bias (dishonesty)?
all of the above
by running as many trials as possible
keeping measurable data
by keeping accurate notes of each observation
11
The results of an experiment must be ________ to be valid.
kept secret
reproducible
unreproducible
12
A __________ is the item that can be manipulated or changed in an experiment.
data
variable
control
13
In Holly's "manure" experiment what was the dependent variable? (effect)
manure
amount of grass grown
there wasn't one
14
Why is a control needed in a valid experiment?
provide a standard against which test results are compared
to save money
to manipulate the system
15
Which of the following questions CAN be answered by science?
Is this a good song?
Which flavor of ice cream tastes the best?
How do birds fly?
16
What is lab safety?
dog training
work to purify rivers and waterways
procedures and rules used to prevent accidents in the lab.
17
How many variables should be tested in an experiment?
1
only 2
no more than 3
18
Why is it important to practice lab safety?
prevent injuries, sickness, or death
to be a better ball player
to get paid more
