Matching



Match each item with the correct statement below concerning STANDARD SI
units. a.  kelvin  f.  kilometer  b.  celsius  g.  minute  c.  gram  h.  second  d.  kilogram  i.  watt  e.  meter  j.  joule 


1.

SI unit of time


2.

SI unit of length


3.

SI unit of temperature


4.

SI unit of mass


5.

SI unit for energy

True/False Indicate whether the statement is true or
false.


6.

Exponents must match when adding or subtracting numbers in scientific
notion.


7.

In most line graphs, the dependent variable is placed along the Xaxis.


8.

If you were trying to get out of the way of a storm, you would need to know the
speed at which it was moving.


9.

Acceleration occurs when velocity changes.


10.

If one toy car is traveling at 10 cm/s and another toy car is moving at 10 cm/s
in the opposite direction, both cars have the same velocity.


11.

A straight line on an acceleration graph indicates constant speed.


12.

A straight, slanted line on a graph of distance versus time means that
the object has zero acceleration..


13.

A single point on a speed graph give instantaneous speed.

Multiple Choice Identify the choice that best completes the
statement or answers the question.


14.

How is 0.00099 written in scientific notation?
a.  99 ´ 10^{–5}  b.  9.9 ´ 10^{–4}  c.  0.99 ´ 10^{–3}  d.  9.9 ´ 10^{4} 


15.

There are 1660 megawatts of windgenerated electricity produced globally every
year. This amount is equivalent to
a.  1,660,000 watts  c.  16,600,000 watts  b.  1,660,000 kilowatts  d.  166,000
kilowatts 


16.

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number
expressed in scientific notation?
a.  1.54 10^{}
m  c.  1.54 10^{}
m  b.  1.54 10^{}
m  d.  1.54
10^{} m 


17.

What is the quantity 0.0075 meters expressed in centimeters?
a.  0.075 cm  b.  0.75 cm  c.  7.5 cm  d.  70.5
cm 


18.

The expression of 3585 km in scientific notation is ____.
a.  35.85 10^{}
km  c.  3.585 10^{}
km  b.  3.585 10^{}
km  d.  3.585
10^{} km 


19.

THIS PROBLEM IS FIXED NOW!MULTIPLY 4.0
10 ^{} m and 8.0 10 ^{ }m using PROPER scientific notation.
a.  0.32 10^{0}  b.  0.32  c.  3.2 10^{}  d.  3.2
10^{1} 


20.

How many meters are there in 1,865 cm?
a.  0.1865  b.  1.865  c.  18.65  d.  186.5 


21.

The symbol mm represents a
a.  micrometer.  b.  millimeter.  c.  megameter.  d.  manometer. 


22.

The radius of Earth is 6 370 000 m. Express this measurement in km in scientific
notation.


23.

The Greek letter D (delta) indicates
a(n)
a.  difference or change.  c.  direct proportion.  b.  sum or total.  d.  inverse
proportion. 


24.

If you ride your bicycle down a straight road for 500 m then turn around and
ride back, your distance is ____ your displacement.
a.  greater than  c.  less than  b.  equal to  d.  can’t
determine 


25.

The speed you read on a speedometer is ____.
a.  instantaneous speed  c.  average speed  b.  constant speed  d.  velocity 


26.

3 m/s north is an example of a(n) ____.
a.  speed  b.  velocity  c.  position  d.  acceleration 


27.

A merrygoround horse moves at a constant speed but at a changing ____.
a.  velocity  c.  inertia  b.  dimension  d.  none of the
above. 


28.

Acceleration is rate of change of ____.
a.  position  b.  time  c.  velocity  d.  force 


29.

A horizontal line on a velocity/time graph shows ____ acceleration.
a.  positive  b.  negative  c.  changing  d.  zero 


30.

What is the speed of an object at rest?
a.  0.0 m/s  b.  1.0 m/s  c.  9.8 m/s  d.  9.81
m/s 





31.

According to the graph above, during which interval is the cat at rest?
a.  0.0–5.0 s  c.  10.0–15.0 s  b.  5.0–10.0 s  d.  15.0–20.0
s 


32.

According to the graph above, the cat has a negative slope during which
interval?
a.  0.0–5.0 s  c.  10.0–15.0 s  b.  5.0–10.0 s  d.  10.0–20.0
s 


33.

According to the graph above, during which interval does the cat have the
greatest velocity?
a.  0.0–5.0 s  c.  10.0–15.0 s  b.  5.0–10.0 s  d.  15.0–20.0
s 


34.

Which of the following line segments on a position versus time graph is
physically impossible?
a.  a horizontal line  c.  a straight line that slopes to the right  b.  a straight line that
slopes to the left  d.  a
vertical line 


35.

A train that travels 100 kilometers in 4 hours is traveling at what average
speed?
a.  50 km/h  b.  100 km/h  c.  2 km/h  d.  25
km/h 


36.

In graphing motion, the steepness of the slope depends on
a.  how quickly or slowly the object is moving.  b.  how far the object
has moved.  c.  when the object began moving.  d.  the direction the object is
moving. 
