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Hon Chem Sig Figs, Sci. notation, & Scientific Method Flashcards | StudBud
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Hon Chem Sig Figs, Sci. notation, & Scientific Method
Hon Chem Sig Figs, Sci. notation, & Scientific Method
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Sig Figs, Scientific notation, and scientific method review
Flashcards
29 cards
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Questions
29
Answers
1
Who do we credit with first using the scientific method?
Mrs. Brockhouse
Theodoric of Frieberg
Plato
Aristotle
2
1 g = _____ μg
103
109
100
106
3
How many sig figs would be in the answer for 235.14 x 23.4568 =___?
5
2
6
4
4
467,890 in scientific notation is ___
4.7 x 105
4.6789 x 105
4.68 x 105
46.789 x 104
5
How many mm are in a cm?
0.001
10
100
1000
6
How many significant figures does 0.001144 have?
4
6
2
7
7
What is bigger, 200 cm or 2 m?
200 cm
2 m
they are the same
8
Put this number into scientific notation 244.3
2.443 x 102
0.2443 x 103
2.44 x 102
2.4 x 102
9
What was the first recorded experiment using the scientific method about?
paper airplanes
how rainbows form
mouse diet
how the planets move
10
How many sig figs would be in the answer for 7812.00 x 2572.000 =
5
7
4
6
11
State the number of sig figs in 0.0067
4
2
5
3
12
A dependent variable
is what you change on purpose
changes in response to the independent variable.
stays the same
never changes
13
An independent variable is what a scientist
predicts
keeps the same throughout the experiment
changes on purpose
sees change in response
14
How many microliters are in a liter?
103
106
100
109
15
How many significant figures does 0.00700 have?
5
1
3
6
16
2.5 m/s is
9 km/h
90 km/h
0.83 km/h
83 km/h
17
Which of the following is written in scientific notation?
0.98 x 103
49
12.34 x 10-8
4.9 x 105
18
Convert 2000mL to L
2 L
0.002 L
2000 L
20 L
19
The idea that the simplest explanation is most likely the correct one is called
Occam's razor
the scientific method
a controlled experiment
variable
20
State the number of sig figs in 14.78900
5
8
6
7
21
A hypothesis is a
conclusion
control
variable
prediction
22
The one variable that is being manipulated or changed in a controlled experiment is known as
controlled
dependent
independent
control group
23
Convert 12 centimetres to metres...
1.2 m
1200 m
0.0012 m
0.12 m
24
Convert 150 grams to kilograms
150,000 kg
15.0 kg
0.150 kg
1.50 kg
25
If you were to add 623.454 m to 671.98 m your answer should be given to the nearest _____
5 significant figures
thousandths place
6 significant figures
hundredths place
26
How many nanoliters are in one liter?
10-6
109
10-9
106
27
convert 500 m/s to km/s
0.5 km/s
.05 km/s
500,000 km/s
5 km/s
28
convert 20 km/min to m/s
1,200,000 m/s
1.2 m/s
333.33 m/s
16.67 m/s
29
State the number of sig figs in 89,000,001
6
3
2
8
