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1st Partial Autumn Flashcards | StudBud
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1st Partial Autumn
1st Partial Autumn
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Physical Quantities, unit conversion and scientific notation.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
In scientific notation what is the 10 called?
Integer
Base
Coefficient
Exponent
2
How much is 180 minutes in hours?
2 hours
3.5 hours
2.5 hours
3 hours
3
Any quantity that can measure a physical phenomenon is called a __________ .
Fundamental physical quantity
Supplementary physical quantity
Derived physical quantity
Physical quantity
4
Are electromagnetism, fluid mechanics and quantum gravity some branches of physics?
False
True
5
Which of the following is a fundamental physical quantity?
Area
Time
Volume
Speed
6
Express 2.25 m in cm
225 cm
0.0225 cm
2250 cm
0.225 cm
7
Which of the following is an ancient device used for measuring time?
Sundial
Moondial
Cronometer
Stop clock
8
How would 9000000 be written with a prefix?
9 Tm
9 Mm
9 hm
9 Gm
9
What is the ice point on the Kelvin scale?
273.16°K
0°C
373.16°K
0°K
10
There are _______ fundamental physical quantities
5
6
2
7
11
Which unit length would be best to measure the distance between two cities?
centimeters
megameters
kilometers
meters
12
Physics is ____________ mathematics?
complex
fundamental
applied
hard
13
What are the units for acceleration?
m*s
m*s-1
m*s-2
kg*m-2
14
Which is not units of weight?
Ounces
Kilometers
Kilograms
Slug
15
What is the main goal of scientific notation?
A more sophisticated way to write numbers
Shorten really big numbers or really small numbers
Make our lives easier
Make our lives more complicated
16
What type of measurement needs of more calculations to be obtained?
Comparison
Direct
Indirect
Relative
17
4 km = _________ m
4000
40000
400
40
18
1 hour = _________ s
360
6000
3600
60
19
What is physics?
The discipline that studies the composition of matter at an atomic level
The discipline that focuses on living organisms and their vital processes
An application of chemistry
The study of the fundamental laws that govern the universe.
20
Convert 0.0000054679 to scientific notation
5.4679 X 10-5
5.4679 X 10-6
54.679 X 10-6
5.4679 X 106
21
What are the three main areas that physics divides in?
Electromagnetism, classical physics and quantum physics
Classical physics, thermodynamics and quantum physics
Dark matter, calculus and relativity
Classical physics, quantum physics and relativity
22
Luminous intensity and amount of substance are examples of ____________ .
Basic physical quantity
Fundamental physical quantity
Supplementary physical quantity
Derived physical quantity
23
The S.I. unit of area is __________
square feet
cubic meters
liter
square meters
24
The S.I. unit of length is ______
meter
kilometer
centimeter
inches
25
0.00000035 m is equal to
350 pm
350 nm
35 Mm
3.5 km
26
Is accuracy and precision the same thing?
True
False
27
What tool do we use to measure temperature?
Magnifying glass
Ruler
Thermometer
Balance
28
Is physics complete?
True
False
29
Which of the following is a derived physical quantity?
Time
Acceleration
Length
Mass
30
Convert 500 mm to dam
0.05
0.5
0.005
5
