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WorksheetsPS Review CH 11,14,16
Total questions: 132
Worksheet time: 7hrs 30mins
Using the diagram, if you were standing under the tree, which object would appear to moving?
the tree
the boy
the airplane
the building
One kilometer equals 100 meters. What does the prefix kilo- mean?
1
10
100
1000
A person walks 1 mile every day for exercise, leaving her front porch at 9:00 AM. What is the total displacement of her daily walk?
1 mile
0
25 minutes
not enough information to determine displacement
A ball is rolled uphill a distance of 3 meters before it slows, stops, and begins to roll back. The ball rolls downhill 6 meters before coming to rest against a tree. What is the magnitude of the ball's displacement?
3 meters
6 meters
9 meters
18 meters
What is the most appropriate SI unit to express the speed of a cyclist in the last leg of a 10-km race?
km/s
km/h
m/s
cm/h
Instantaneous speed is measured ___________.
at the starting point
when the object reaches its destination
at a particular instant
over the duration of the trip
The slope of a line on a distance-time graph is
distance
time
speed
displacement
What is the speed of a bobsled whose distance-time graph indicates that it traveled 100m in 25 s?
4 m/s
250 m/s
0.25 mph
100 m/s
A river current has a velocity of 5 km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. How can the velocity of the boat relative to the shore be calculated?
by subtracting the river current vector from the boat's velocity vector
by dividing the river current vector by the boat's velocity vector
by multiplying the vectors
by addingthe vectors
The rate at which velocty changes is called _________.
speed
vectors
acceleration
motion
Objects in free fall near the surface of the Earth experience _________.
constant speed
constant velocity
constant acceleration
constant distance
Suppose you increase your walking speed 1 m/s to 3 m/s in a period of 2 s. What is your acceleration?
1 m/s2
2 m/s2
4 m/s2
6 m/s2
The slope of a speed-time graph indicates _________.
direction
acceleration
velocity
speed
An object that is accelerating may be ___________.
slowing down
gaining speed
changing direction
all of these
What is instantaneous acceleration?
how fast a speed is changing at a specific instant
how fast a velocity is changing at a specific instant
how fast a direction is changing at a specific instant
all of these
The motion of an object looks different to observers in different (a) .
The SI unit for measing (a) is the meter.
The direction and length of a straight line from the starting point to the ending point of an object's motion is (a) .
The sum of two or more vectors is called the (a)
Speed is measured in units of (a)
A car's speedometer measures (a) .
The difference between speed and velocity is that velocity indicates the (a) of motion and speed does not.
Because its (a) is always changing, an object moving in a circular path experience a constant chang in velocity.
Freely falling objects accelerate at 9.8 m/s2 because the force of (a) acts on them.
A moving object does not (a) if its velocity remains constant.
The acceleration of a moving object is calculated by dividing the change in (a) by the time over which the change occurs.
Distance is a measure of length. What informatin does displacement give in addition to distance?
(a)
What information does the slope of a speed-time graph provide?
(a)
The slope of the curve at a single point on a distance-time graph of accelerated motion gives what information?
(a)
A passenger in the rear seat of car moving at a steady speed is at rest relative to __________.
the side of the road
a pedestrian on the corner ahead
the front seat of the car
the wheels of the car
Which distance can be most accurately measured with a ruler?
the length of a river
the width of a book
the distance between two cities
the size of an object under a microscope
A person drives north 3 blocks, then turns east and drives 3 blocks. The driver then turns south and drives 3 blocks. How could the driver have made the distance shorter while maintaining the same displacement?
by driving east 3 block from the starting point
by driving north 1 block and east 4 blocks
by driving west 3 blocks from the starting point
by driving back to the starting ppoint by the same route
Displacement vectors of 1 km south, 3 km north, 6 km south and 2 km north combine to a total displacement of ________km.
12
6
4
2
Speed is the ratio of the distance an object moves to ___________.
the amount of time needed to trave the distance
the direction the object moves
the displacement of the object
the motion of the object
A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. What was the car's average speed?
254 km/h
63.5 km/h
209 km/ h
74.5 km/h
A horizontal line on a distance-time graph means the object is _________.
moving at a constant speed
moving faster
slowing down
at rest
A distance-time graph indicates that an object moves 100 m in 4 s and then remains at rest for 1 s. What is the average speed of the object?
50 m/s
25 m/s
20 m/s
100 m/s
Vector addition is used when motion involves ________.
more than one direction
more than one velocity
more than one speed
all of these
Which example identifies a change in motion that produces acceleration?
a speed skater moving at a constant speed on a straight track
a ball moving at a constant speed around a circular track
a particle moving in a vacuum at constant velocity
a vehicle moving down the street at a steady speed
Which example describes constant acceleration due ONLY to a change in direction?
increasing speed while traveling around a curve
an object at rest
traveling around a circular track
an object in free fall
An object moving at 30 m/s takes 5 s to come to a stop. What is the object's acceleration?
30 m/s2
-30 m/s2
-6 m/s2
6 m/s2
A speed-time graph shows that a car moves at 10 m/s for 10 s. The car's speed then steadily decreses until it comes to a stop at 30 s. Which of the following describes the slope of the speed-time graph from 10 s to 30 s?
linear, horizontal
curved upward
linear, sloping downward
linear, sloping upward
A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train's acceleration be described?
The train's acceleration is positive
The train is not accelerating
The train will come to rest in 6 minutes
The train's acceleration is negative
Which of the following statement is true?
An object that is accelerating is always changing direction.
An object has an instantaneous acceleration, even if the acceleration vector is zero.
An object at rest has an instantaneous acceleration of zero.
Instantaneous acceleration is always changing.
Displacement and velocity are examples of (a) because they have both magnitude and direction.
A constant slope on a distance-time graph indicates (a) speed.
A car that increases its speed from 20 km/h to 100 km/h undergoes (a) acceleration.
(a) is how fast a velocity is changing at a specific instant.
From which frame of reference in the picture does the tree appear to be in motion?
(a)
What is the SI unit best suited for measuring the height of a building?
(a)
A child rolls a ball 4 m across a room. The ball hits the wall and rolls halfway back toward the child. Using vector addition, calculate the ball's displacement.
(a)
Which is the most suitable SI unit for expressing the speed of a race car?
(a)
Motion is described with respect to a _______.
graph
displacement
slope
frame of reference
Displacement is distance combined with ___________.
direction
speed
velocity
magnitude
Displacement vectors of 3 m and 5 m in the same direction combine to make a displacement vector that is ______ m.
2
0
8
15
Average speed is the total distance divided by the _________.
average distance
average acceleration
total time
slope
The slope of a distance-time graph is equal to the _______.
speed
acceleration
displacement
motion
Velocity is ______________.
the slope of a linear graph
acceleration divided by displacement
speed with direction
the same in all reference frames
Two or more velocities can be combined by _____________.
graphing the slope
using vector addition
calculating the instantaneous speed
determining the rate
A ball just dropped is an example of ___________.
constant speed
instantaneous speed
combining displacements
free fall
Acceleration is equal to ____________.
distance divided by time
change in speed divided by time
the slope of a distance-time graph
change in speed multiplied by time
The rate at which velocity is changing at a given instant is described by _______.
instantaneous acceleration
average speed
constant speed
vector addition
Light from a star travels to Earth in a straight line at a constant speed of almost 300,000 km/s. What is the acceleration of the light?
(a)
Particles are always moving.
True
False
Which of the following statements about the particles of a gas is true?
The particles vibrate about a fixed position.
The particles are far apart and move freely.
The particles are packed close together, but in a disorderly arrangement.
The particles are stationary and orderly.
An inflated balloon is placed in a refrigerator. Which statement the movement of the gas particles in the balloon?
The particles move faster and become further apart.
The particles move more slowly and become further apart.
The particles move faster and become closer together.
The particles move more slowly and become closer together.
When gas particles collide with other particles, they ...
Travel in a spiral.
Lose energy and move slowly.
Stop motion.
Rebound in a straight line.
A substance Y has a melting point of -7 degrees Celsius and a boiling point of 63 degrees Celsius. At which temperature is Y a liquid?
-25
25
75
150
Which phase change occurs between points D and E if heat is removed?
Freezing
Melting
Boiling
Condensation
What phase change occurs between points B and C if heat is added?
Freezing
Melting
Boiling
Condensing
Thermal energy always moves from :
Warm object to cool object
Object with low KE to object with high KE
Cool object o warm object
Object with high mass to object with low mass
A __________ has a definite shape and a definite volume.
Gas
Liquid
Solid
Plasma
Two flasks each contain water at 25 degrees Celsius. Which one has more heat energy?
They have the same heat energy because they are the same temperature.
The one on the right has more heat energy because it has less water.
The one on the left has more heat energy because it has more water.
Temperature is a measure of an object's average :
electro-static force
heat
density
kinetic energy
The state of matter with definite volume but no definite shape.
solid
liquid
gas
plasma
Which of the following is true when particles gain thermal energy?
Particles move more slowly.
Particles move closer together.
Particles stop moving.
Particles move further apart.
When a substance changes directly from a gas to a solid, it is called :
Deposition
Sublimation
Condensation
Vaporization
This diagram represents particles in a __________ state.
solid
liquid
gas
plasma
Particles have enough energy to overcome the attraction between them. Does not have a fixed volume or shape.
Bose-Einstein Condensate
Solid
Liquid
Gas
Plasma
Particles are loosely packed. Can change position - has a definite volume, but takes the shape of its container.
Bose-Einstein Condensate
Solid
Liquid
Gas
Plasma
The amount of energy required for the liquid at the correct temperature to become a gas.
Melting Point
Boiling Point
Freezing Point
Heat of Fusion
Heat of Vaporization
The amount of energy needed change a substance from a solid phase to a liquid phase
Melting Point
Boiling Point
Freezing Point
Heat of Fusion
Heat of Vaporization
The temperature at which a substance changes from a solid to a liquid
Melting Point
Boiling Point
Sublimation Point
Heat of Fusion
Heat of Vaporization
The temperature at which a liquid changes to a gas
Melting Point
Boiling Point
Sublimation Point
Heat of Fusion
Heat of Vaporization
What do we call the the amount of force exerted on a certain area?
fluid
pressure
buoyant force
normal force
The upward force exerted by a fluid is called the...
buoyancy force
density force
fluidity force
normal force
If an object has a density of 3.6 g/mL and you put it into water (density =1.0g/mL,) will it sink or float?
sink
float
Which principle do airplanes take advantage of to fly?
Archimedes' Principle
Bernoulli's Principle
Pascal's Principle
If you double the size of the larger pad of a hydraulic system, how much less force do you need to apply to the smaller pad to achieve the same result?
1/4 the force
1/3 the force
1/2 the force
The same amount of force
Fluids consist of
solids and liquids
gases
gases and liquids
gases and solids
The measure of the force of gravity pulling on an object is called
mass
weight
buoyancy
pressure
A substance has a mass of 16 g and a volume of 4 cubic cm, what is it's density?
64 g/cm3
20 g/ml
4 g/cm3
12 g/cm3
What is the SI unit use for hydraulic pressure?
Kg/m3
Pa
Litre
Kilometer
What is the formula for pressure?
P=A/F
P=FA
P=F/A
A substance has a mass of 16 g and a volume of 4 cubic cm, what is it's density?
64 g/cm3
20 g/ml
4 g/cm3
12 g/cm3
"Rocks sink and a Rubber Ball floats" is MOST likely and example of which principle:
Pascal's Principle
Bernoulli's Principle
the Quantum Entanglement Principle
Archimedes' Principle
An object is placed in a tub of water. If the objects density is less than the density of water, the the object will...
Float
Sink
Swim
Combust
"Force divided by area" is the equation for finding which of the following terms:
Density
Weight
Buoyancy
Pressure
Which of the following principles BEST explains the this image:
Pascal's Principle
Bernoulli's Principle
the Quantum Entanglement Principle
Archimedes' Principle
"The resistance of a fluid to flowing" is MOST likely the definition for which of the following terms:
Pressure
Density
Buoyancy
Viscosity
The periodic table is organized by _________________
Atomic Number
Mass Number
Average Atomic Mass
Alphabetical Order
The periodic table is broken into Rows and Columns.
The Rows are called _____
Periods
Groups/Families
The periodic table is broken into Rows and Columns.
The Columns are called _____
Periods
Groups/Families
Who is considered the Father of the Periodic Table?
Dimitri Mendeleev
John Dalton
Antoine Levoisier
Mr. Hanrahan
Which of the following is a Metal?
Tungsten
Carbon
Oxygen
Argon
Which of the following is a Nonmetal?
Sulfur
Gold
Iron
Calcium
What is the name of the group that contains unreactive nonmetals, each with 8 valence electrons?
Noble Gases
Halogens
Alkaline Earth Metals
Rare Earth Metals
What does the Atomic Number of an element represent?
# of Protons
# of Neutrons
# of Electrons
# of Neutrinos
Elements in the same group/family have the same...
Chemical Properties
Number of Protons
Number of Electrons
Energy Levels
Which set of elements would have the MOST similar properties?
Mg, Ca, Sr
P, S, Cl
Li, Ni, Si
P, Ge, In
Most elements on the Periodic Table are...
Metals
Nonmetals
Metalloids
Which of the following elements is in the same Period as Bromine?
Hydrogen (H)
Chlorine (Cl)
Gallium (Ga)
Lead (Pb)
BONUS: Americium is a radioactive rare earth metal. The isotope Americium - 241 is widely used in which household object?
Smoke Detectors
Microwaves
Coffee Makers
Air Filters
Why did Dmitri Mendeleev leave spaces in his periodic table?
He left spaces for undiscovered elements.
He left spaces for discovered elements.
He left spaces to be more organized.
none of the above
The modern periodic table is arranged by ___________________.
atomic number
atomic mass
neutrons only
none of the above
Match the following
Group
Period
1969 Periodic Table was organized by:
Atomic Mass
Modern Periodic Table is organized by:
Atomic Number
Vertical columns on the periodic table are called ___?
groups
periods
rows
families
Horizontal rows on the periodic table are called ___?
groups
periods
rows
families
