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Duplicate of Scientific method and lab safety Flashcards | StudBud
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Duplicate of Scientific method and lab safety
Duplicate of Scientific method and lab safety
29 terms
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StudBud Administration
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1,159 plays
review of method, safety, measurement
Flashcards
29 cards
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Practice quiz
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Questions
29
Answers
1
A
hypothesis
is....
include independent var/dependent var/must be testable
an observation
not testable
a statement of fact
2
300 km = _____ cm
0.3 cm
30 cm
30,000,000
3,000 cm
3
The
purpose
of many scientific investigations is to
change the natural world
make data agree with theories
test a hypothesis
influence public opinion
4
A scientist notices a worm moving away from light. This is an example of...
an observation
an inference
a hypothesis
a conclusion
5
A control variable(s).....
are on the y-axis
don't exist
are measured
stay the same in the experiment
6
Gastritis is....
stomach surgery
inflammation of the stomach
terrible
inflammation of the joints
7
Which of the following is NOT a lab safety procedure?
eating and drinking are permitted in the lab
tell the teacher about broken glass and spills
Clean the work area at end of lab
Wear safety goggles
8
.57 meters = _____ cm
57 cm
5.7 cm
.0057 cm
570 cm
9
The numbers of an item
counted
in an experiment are examples of
controls
qualitative data
inferences
quantitative data
10
Which of the following is a
hypothesis
...
Lowe's has great fertilizer
If I use Lowe's Fertilizer, my plants will grow taller.
Plants like fertilizer
Using fertilizer is good
11
Which of the following is
always
true?
theory
hypothesis
variables
law
12
The prefix "chlor" means...
is not real
watery
purple
green
13
What is a
conclusion
?
using no results at all
Statement, data supported, supports/refutes the hypothesis
restating the hypothesis
not really necessary in science
14
Ms. Hannel is an amazing teacher... (is what?)
prediction
inference
duh!
observation
15
The
one
that is
changed
(or manipulated) by the scientist is called....
dependent variable
experimental group
control variable
independent variable
16
If you
break something
in the lab, you should....
cry
tell the teacher immediatly
freak out
clean it up
17
control group
in an experiment, the group that recives no treatment
variable that stays the same
in an experiment, the group that receives treatment
kept in control
18
What tool is used to measure
volume
?
ruler
balance
scale
graduated cylinder
19
The variable that is
responding
to the change (always is measured)....
dependent variable
law
independent variable
theory
20
DRY
in DRY MIX stands for what?
without water
D- dependent R- rotate Y- Y-axis
D- dependent R- responsive Y- Y-axis
what?
21
MIX
in DRY MIX stands for what?
M- mixture I- independent X- x-axis
M- manipulated I- independent X- x-axis
huh?
to stir it up
22
A
kilometer
would be most appropriate to measure....
how heavy an orange is
how much liquid is in a bottle
how tall a building is
the distance from one city to another
23
Mrs. West must be a HUGE Georgia fan
because
her daughter goes to UGA... (is what?)
inference
observation
prediction
who like UGA?
24
Question: Does studying make test scores go up? What is the IV?
I have no idea
control group
time spent studying
test scores
25
The basic unit for
volume
in the SI, or International system of Units (metric system) is
gram
liter
meter
degree Celcius
26
What is the MOST important reason for scientists to keep detailed records of their experiments?
for the fame and fortune
to earn lots of money
to be on t.v.
so others can replicate the work and validate the results.
27
Anti means....
against
insect
my mom's sister
small
28
What tool is used to
measure length
?
ruler
balance
beaker
graduated cylinder
29
Which of the following is an
inference...
More school lunches are served on wednesday
DeSana has awesome nachos
students love nachos
Students buy more lunch on Wednesday because it's nacho day
