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Scientific Method Review
Unit of measurement for liquid volume
what is the scientific method
Scientific Method Review
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1
what is the scientific method
a theory that has been proven over and over again
an act of noting and recording data through graphs
an educated guess
technique used to test a question or hypothesis through an investigation
2
Unit of measurement for liquid volume
g/mL
liters
cm2
meters
3
How does the distance from this eye chart affect the number of letters visible on a line? CV?
distance
none of the above
eye chart
letters read
4
All chemicals should be considered dangerous
False
True
5
It is okay to pick up broken glass with your hands
True
False
6
You should always look over your glassware before using it
True
False
7
How does the distance from this eye chart affect the number of letters visible on a line? IV?
patient
numbers of letters read
distance
eye chart
8
4.25 L to ____ mL
4250 mL
425 mL
42500 mL
0.00425 mL
9
Independent Variable
what is changed in the experiment
an observation
what is kept constant in the experiment
what is measured in the experiment
10
Observation (True) or Inference (False) The dog's tongue is hanging out
False
True
11
You can do unauthorized lab (make up your own)
True
False
12
What is the mass of an object with a density of 10 g/ml and a volume of 8.25 mL
82.5 mL
1.21 g
0.825 g
82.5 g
13
If the density of water is 1.0 g/mL and I have an object with a density of 0.82 g/mL the object wil
sink
float
suspend
14
On a graduated cyclinder, when reading the volume you read at the __________ of the meniscus
top
bottom
side
middle
15
One person should always stay with a lit bunsen burner
False
True
16
Unit of measurement for area
m2
m
m4
m3
17
Two words needed in a hypothesis
I think
If then
The hypothesis
My prediction
18
Which prefix is the largest
meter
deka
deci
milli
19
9200 mL to ____ L
0.92 L
9.2 L
0.0092 L
9200000 L
20
Dependent Variable is
what is changed in the experiment
what is controlled in the experiment
an observation
what is measured in the experiment
21
Can you use a triple beam balance, measure volume of liquid and solid, find area, calculate density
Sort of. Gonna youtube videos
Nope, I am going to practice more.
Yes, I am ready for the test
22
How will the type of fertilizer used on a field affect the number of earthworms found? DV?
The type of fertilizer
The type(s) of earthworms observed
The amount of water in the field
The number of earthworms found
23
Always report any accident even minor ones to your teacher
False
True
24
Unit of measurement for temperature (scientists)
Kelvin
fahrenheit
gram
Celcius
25
Hair should be tied back in the lab
True
False
26
You notice that is is raining outside and grab an umbrella. This is called an
prediction
hypothesis
bias
observation
27
Data is
information you collect or record while doing your experiment
the act of noticing
an educated guess
something that is kept the same in the experiment
28
Observation (True) or Inference (False) The dog's tongue is hanging out due to the heat
True
False
29
Find the density of an object with a mass of 10g and a volume of .2 mL
50 g/mL
5 g/mL
2 g/mL
50
30
Unit of measurement for length
grams
liters
inches
meters
31
Which one is the correct order of the scientific method?
observation, question, hypothesis, experiment, analysis, conclusion
research observation hypothesis experiment analysis conclusion
observaton research hypothesis analysis experiment conclusion
observation hypothesis research experiment analysis conclusion
32
A prediction or educated guess about what you think will happen in an experiment is called a…
variable
hypothesis
opinion
theory
33
What is the density of an object with a mass of 15.2 g and a volume of 30.1 mL
.50 g
.50 g/mL
1.98 g/mL
457.52 g/mL
34
Observation (True) or Inference (False) The sun is shining that is why she is wearing sunglasses
False
True
35
What is the volume of an object with a density of 12 g/mL and a mass of 24.24 g?
.50 mL
2.02 mL
290.88 mL
0.49 mL
36
Observation (True) or Inference (False) The sun is shining
False
True
