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Unit 1 Scientific Method Flashcards | StudBud
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Unit 1 Scientific Method
Unit 1 Scientific Method
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1
The independent variable in an experiment is:
The variable you measure
The variable you keep the same
The variable you change
2
independent variable
your momma's memes
THE POWER OF SCIENCE COMPELS YOU!!!!!!
the change that occurs in response to the (blank) varible
the only factor that the scientist purposefully changes
3
What is a hypothesis?
All Above
Educated Guess / Inference
If/Then Statement
An Observation
4
_________ can change with new evidence and technology.
laws
observations
inferences
theories
5
Both scientific laws and theories require...........
general community consensus
testing
evidence
all of the above
6
Qualitative or Quantitative? The boy is has on blue shorts.
qualitative
quantitative
7
Scientists design controlled experiments to test a(n) _____.
model
control
exploration
hypothesis
8
what is the difference between qualitative and quantitative
memes
hahahahahah i don't know
qualitative is numbers and quantitative is quality
qualitative is quality quantitative is numbers
9
In any experiment, the controlled variables are:
The variable you measure
The variable you change
Variables that are kept the same
10
What is the definition of a controlled experiment?
where the person changes one variable at a time.
just one more.
the one you measure.
changes the whole thing.
11
Which statement below would not be testable?
Mom makes the best pancakes.
Ants in my yard are attracted to sugar.
The amount of fertilizer affects plant growth.
Studying more improves grades.
12
What is the controlled variable
no treatment or no standard of comparison
Treatment or no standard of comparison
Treatment or standard of comparison
no treatment or standard of comparison
13
What is the independent variable?
mice
humans
Calories
Life span
14
observation is
using your senses
estimating
15
What is he definition for dependent variable
Factor you observe or measure during the experiment
Kept the same; unchanged or normal for comparison
Factor that you want to test it manipulate
Proposed explanation based on limited evidence
16
The variable that you purposely change or manipulate
Independent Variable
Hypothesis
Dependent Variable
17
What is the first step in the scientific method?
question
hypothesis
observation
research
18
What basketball bounces the highest? Whats the Dependent variable?
The size of the basketball.
How many basketballs used.
The brand of the ball.
The height it bounces.
19
The ball bounced 76 cm upwards . Is this a qualitative or quantitative observation?
qualitative
quantitative
20
Which statement below is a qualitative observation?
The scientists are all women.
The gloves they are wearing are blue.
There are three scientists.
She is being very careful.
21
How can a scientist make her data more accurate?
create an online test
have multiple variables
use a computer
have multiple trials
22
How do scientists come up with a theory?
books
observations
they infer
the guess
23
A variable that you change is called?
Snail
procedure
Dependent variable
Independent variable
24
Cam Newton tests 3 brands of cell phones to see which has a longer battery life. What is a constant?
the length of the battery life
same battery size
brands of cell phones
his phone bill from Verizon
25
What is a controlled experiment?
All of the above.
An experiment that compares a control group with an experimental group.
A form of experiment.
An experiment that tests one variable at a time.
26
The following is a quantitative statement: there are 8 ants in the photo
False
True
27
What is the independent variable?
The factor that is not being studied but my effect the outcome
The factor that is manipulated
The variable by itself
The factor that is not manipulated
28
A dependent variable is a variable that is measured in #ś
True
False
29
a hypothesis is a testable question
True
False
30
What can a scientist do during an experiment that will improve the accuracy of the data?
use the metric system
provide for the common defense
eliminate bias
write in pen, not pencil
31
What is the scientific method?
Series of steps that scientists use to solve & answer problems.
A Secret.
A formula.
Steps to success.
32
What is the independent variable?
lemonade
cups
Dollars
33
Why do scientist use the Scientific Method?
to prove an answer to a question
fun
to do a fun experiment
to compare
34
What is an observation about this picture?
It is used for camouflage
It has 2 dark circles
It is a moth
It is an owl.
35
what is a Independent variable
is the variable that is deliberately changed by the scientist.
is the variable that stays the same
is the data we collect during the experiment.
36
the variable that you observe as it changes in response to the independent variable
Dependent Variable
Control
Constant
37
What is the relationship between the independent and dependent variables?
IV causes the DV
IV is dependent on the DV
Without the DV the IV would not exist.
DV affects the IV
38
Qualitative or Quantitative? The temperature inside the solar oven is 62°C.
quantitative
qualitative
39
A(An) ______________ is the gathering of information by using our five senses.
hypothesis
inference
observation
conclusion
40
"The koala must have been thirsty!" What type of statement is this?
Qualitative
Estimate
Inference
Quantitative
41
Empirical evidence is.......
obtained through study, research and observation
that evidence gathered by scientists
not reliable
evidence after the test
