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Chard Env. Sci. Unit 1 Quiz 1 Flashcards | StudBud
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Chard Env. Sci. Unit 1 Quiz 1
Chard Env. Sci. Unit 1 Quiz 1
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StudBud Administration
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Scientific method and bias
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Using the DRUL Rule, how many mm in 4 meters?
.04
4000
400
40
2
Using the DRUL Rule, how many steps is it from the mm step to the meter step?
5
3
1
6
3
What is not a base unit of the metric system?
meter
pound
gram
liter
4
1 cm equals how many millimeters?
1000
1
10
100
5
What do scientists make first before their hypothesis?
Make an Observation
Decide how many test trials they need to do
Make a Conclusion
Nothing, Hypothesis is the first step
6
How many cm is 50 mm?
.05
.5
5
50
7
What instrument would you use to measure the mass of a steel ball?
a meter stick
a balance
a beaker
a graduated cylinder
8
When collecting data you MEASURE the _________ variable.
independent
control
x and y
dependent
9
What is true of bias?
Humans can't learn to control their bias
Everyone has a bias
Bias is not found in the media
Scientists show their bias in each experiment
10
What is the estimate of how much water can be held in the palm of your hand?
100mL
2 meters
1 liter
5 mL
11
What is 14.5 cm in mm?
145
14500
.00145
1.45
12
Mike said, "poodles are stupid, ugly dogs." What is true about his bias?
It is personal
He is not telling the whole story
all are true
there is no evidence to back up what he said
13
What is a reason to use the metric system?
scientists use it
no one uses it
it is harder to use
fractions can be used
14
How do you eliminate your personal bias from your experiment?
Figure out what most people believe
Use the Scientific Method
Copy someone's answers
Go with your gut
15
When you experiment you manipulate one variable called the ______.
control
independent variable
dependent variable
x and y variable
