WorksheetsMCAS Review
Total questions: 100
Worksheet time: 3hrs 0mins
Name
Class
Date
1.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and veloctiy
c)
mass and energy
2.
In any collision (crash) the ______ is ALWAYS constant
a)
total momentum
b)
total speed
c)
total velocity
3.
A Falling Object has what kind of energy?
a)
Kinetic Energy
b)
Potential Energy
c)
Kinetic Energy and Potential Energy
d)
Neither
4.
Find the Kinetic Energy of a 20 kg mass moving at a speed of 2 m/sec
a)
40 J
b)
40 m/sec
c)
40 kg
d)
50 J
5.
An engine reaches its top speed from rest in 7.5 s. It is able to perform 250,000 J of work in that time. How much power does this engine have in that time?
a)
0.00003 W
b)
33,333 W
c)
1,875,000 W
d)
1873 W
6.
If an action force is a golf club hitting a golf ball, then the reaction force is
a)
exerted on the golf ball
b)
exerted on the golf cart
c)
exerted on the golf club by the golf ball
d)
exerted by the squirrel that is hiding in the tree
7.
The momentum of a truck traveling in a straight line at 25 m/s is 37,500 kg m/s. What is the truck's mass?
a)
937,500 kg
b)
937,500 N
c)
1,500 N
d)
1,500 kg
8.
A car starts from rest and accelerated to 30 m/s in 3 seconds. What was its rate of acceleration?
a)
0.1 m/s2
b)
10 m/s2
c)
90 m/s2
d)
33 m/s2
9.
What type of motion is this? (pay attention to axis)
a)
At rest
b)
Constant velocity
c)
Constant acceleration
10.
What type of motion is this (pay attention to axis).
a)
At rest
b)
Constant velocity
c)
Constant acceleration
11.
A Physics book has a mass of 2 kg. How much does it weigh on Earth?
a)
0.2 N
b)
2 N
c)
20 N
12.
If the net force on an object is zero, the object has no:
a)
Velocity
b)
Acceleration
c)
Weight
d)
Motion
13.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
14.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
d)
Turning around
15.
Which car is accelerating?
a)
A car that is not moving
b)
A car that rounds a curve at a constant speed
c)
A car traveling at a constant speed
d)
A car that has a set speed of 60mph
16.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
17.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
18.
Which is doing work?
a)
pushing a wall
b)
holding a box
c)
picking up a pencil
d)
sitting in a chair
19.
A ball will be rolled four times. In which of the following situations will some of the kinetic energy of the ball be converted into potential energy as the ball rolls?
a)
A
b)
B
c)
C
d)
D
20.
The graph below shows the motion of four different bicyclists during a one-hour bicycle ride. Based on the graph, which bicyclist traveled at a constant speed during the entire ride?
a)
R
b)
S
c)
T
d)
U
21.
What is happening in this graph from point B to C?
a)
The object is going down a hill.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
22.
Your teacher has walked from the physics room around the entire school and back to the same spot in the physics room. Your teacher’s displacement is
a)
The perimeter of the school
b)
Zero
c)
Less than Zero
d)
More than Zero
23.
An object is stationary. What do you know about its energy?
a)
It has PE because it is not moving
b)
It has KE because it is not moving
c)
KE = 0 J because it is not moving
d)
It has KE and PE
24.
How much force would it take to accelerate a 5 kg box at a rate of 10 m/s²?
a)
2 N
b)
0.5 N
c)
15 N
d)
50 N
25.
The diagram below shows the top view of two carts with different masses on a frictionless surface. The carts are pushed from rest, and they reach the finish line at the same time. Which of the following statements describes and explains the forces applied to the carts?
a)
Equal force is required to push the carts because they move on a frictionless surface.
b)
Equal force is required to push the carts because they reach the finish line at the same time
c)
A greater force is applied to cart Y because it accelerates at the same rate as cart Z but has less mass.
d)
A greater force is applied to cart Z because it accelerates at the same rate as cart Y but has more mass.
26.
A 10kg toy truck moves at 5m/s East. It collides head-on with a 5kg toy car moving 10 m/s moving west. What is the total momentum of the system?
a)
0 kgm/s
b)
30 kgm/s
c)
50 kgm/s
d)
10 kgm/s
27.
If a girl has a mass of 20 kg, and is at a height of 30 m. What is her potential energy?
a)
500 J
b)
6000 J
c)
600 J
d)
50 J
28.
Two ships orbit the same planet as shown in the image. Ship B orbits at a distance twice that of A. Which ship feels the greater gravitational force with the planet?
a)
A
b)
B
c)
Both ships feel the same force.
29.
When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?
a)
they are removed from the rod
b)
they are added to the rod
30.
An atom loses an electron. What type of charge does it have now?
a)
positive
b)
negative
31.
When the distance between two charges is halved, the electrical force between the charges
a)
quadruples
b)
reduces to one fourth
c)
halves
d)
doubles
32.
An atom loses an electron. What type of charge does it have now?
a)
positive
b)
negative
33.
When the distance between two charges is halved, the electrical force between the charges
a)
quadruples
b)
reduces to one fourth
c)
halves
d)
doubles
34.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
35.
If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?
a)
10V
b)
5V
c)
20V
d)
0V
36.
If the current coming out of the battery is 10 A, and the current through the top bulb is 3 A, then what will the current be in the second bulb?
a)
10 A
b)
3 A
c)
7 A
d)
5 A
37.
If the current through the battery was 10A in this diagram. What would the current through each bulb be?
a)
10A
b)
5A
c)
20A
d)
0A
38.
If the battery is a 12 V battery, and the left light bulb has a 7 V drop, then what is the voltage drop of the right light bulb?
a)
12 V
b)
7 V
c)
5 V
d)
6 V
39.
If switch 1 is closed (on), switch 2 is closed (on), and switch 3 is open (off), what will happen?
a)
Light bulb 1 will light up, but light bulb 2 will not light up
b)
Light bulb 2 will light up, but light bulb 1 will not light up
c)
Neither light bulb will light up
d)
Both light bulbs will light up
40.
Temperature is proportional to:
a)
Transfer of heat from a warmer object to a cooler object
b)
Heat
c)
The average kinetic energy of the particles of a substance
d)
The total energy in a substance
41.
Calculate the heat needed to raise the temperature of 0.25 kg of aluminum 7°C (c=900 J/kg°C)
a)
1575 J
b)
-1575 J
c)
514 J
d)
-514 J
42.
Which of the following is the best conductor?
a)
Wood
b)
Iron
c)
Styrofoam
d)
Plastic
43.
When mixing hot water and room temperature water,
a)
hot water absorbs and the room temperature water releases
b)
hot water releases and the room temperature water absorbs
c)
both of the waters absorb energy
d)
both of the waters release energy
44.
What is the term used in calorimetry when the temperature of the system no longer changes?
a)
Heat
b)
Thermal Energy
c)
Thermal Equilibrium
d)
Temperature
45.
As the temperature decreases the average kinetic energy of the molecules will
a)
Increase
b)
Decrease
c)
Remain the same
46.
Answer?
a)
brass
b)
silver
c)
iron
d)
aluminum
47.
Which of the following has the greatest average kinetic energy?
a)
4.5 kg of aluminum 45 °C
b)
6.5 kg of gold at 65 °C
c)
75 kg of iron at 75 K
d)
100 kg of air at 100 K
48.
Heating a pan on a stove is primarily an example of
a)
conduction
b)
convection
c)
radiation
49.
When food heats up in a microwave, it is primarily an example of ______________.
a)
conduction
b)
convection
c)
radiation
50.
Based on the heating curve, what is the melting point of the substance?
a)
0°C
b)
100°C
c)
Between 0°C and 100 °C
51.
When water heats up in a pot on a stove through currents is an example of
a)
conduction
b)
convection
c)
radiation
52.
Based on the heating curve, when is(are) the potential energy of the substance changing?
a)
A & E
b)
C & E
c)
B & D
d)
A & B
53.
Based on the heating curve, when is(are) the kinetic energy of the substance changing?
a)
A & C
b)
C & E
c)
B & D
d)
A, C, E
54.
A wave that requires a medium through wave which to travel
a)
electromagnetic wave
b)
longitudinal wave
c)
mechanical wave
d)
transverse wave
55.
A wave that does not require a medium
a)
electromagnetic wave.
b)
surface wave
c)
medium
d)
transverse wave
56.
A wave in which the particles of the medium move perpendicularly to the direction the wave is traveling
a)
surface wave
b)
transverse wave
c)
electromagnetic wave
d)
longitudinal wave
57.
A wave in which the particles of the medium vibrate parallel to the direction of the wave motion
a)
mechanical wave
b)
surface wave
c)
longitudinal wave
d)
wave
58.
Which of the following items would work well in outer space?
a)
flashlight
b)
radio
c)
guitar
d)
drum set
59.
What type of wave is this?
a)
Medium
b)
Transverse
c)
Longitudinal
60.
What type of wave is this?
a)
Longitudinal
b)
Medium
c)
Transverse
61.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
62.
Based on the Doppler effect, what can you tell about this object's motion?
a)
It's velocity is to the North (upwards).
b)
It's velocity is to the South (downwards).
c)
It's velocity is to the West (left).
d)
It's velocity is to the East (right).
63.
Sound waves are ALWAYS what type of wave?
a)
Transverse
b)
Longitudinal
c)
Depends
d)
always different
64.
The electromagnetic wave with the longest wavelength is
a)
microwave
b)
radio
c)
gamma
d)
visible light
65.
If the wave speed is constant, and if the wavelength increases the frequency will
a)
increase
b)
decrease
66.
All EM waves travel at
a)
different speeds
b)
the speed of sound
c)
the speed of light, c = 3 x 108 m/s
d)
the speed of a vacuum
67.
Predict which EM wave could cause more damage
a)
Radio wave
b)
UV wave
c)
X-ray
d)
Gamma ray
68.
Which of these lists the EM waves from lowest to highest frequency?
a)
Radio - Micro - Gamma - Visible light - UV - Xrays - Infrared - Xrays
b)
Radio - Micro - Infrared - Visible light - UV - X ray - Gamma waves
c)
Gamma - Xray - UV - Visible light - Infrared - Micro - radio
69.
What is the wavelength of a wave traveling at 45 m/s with a frequency of 2000 Hz?
a)
0.0225 m
b)
44.4 m
c)
90,000 m
d)
90 m
70.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
71.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
72.
What property of waves stays constant during refraction?
a)
frequency
b)
wavelength
c)
speed
d)
amplitude
73.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
74.
When light travels from air to glass, it bends toward the normal line because light travels (faster/slower) in glass than in air. This "bending" is called ______.
a)
faster; refraction
b)
faster; reflection
c)
slower; refraction
d)
slower; incidence
75.
Which of the following forces allow a battery-powered motor to generate mechanical energy?
a)
magnetic and static
b)
electric and magnetic
c)
static and gravitational
d)
electric and gravitational
76.
The diagram shows a bar magnet within a coil of conducting wire. The magnet moves back and forth and never has contact with the wire. As the magnet is moved, the wire will
a)
decrease in temperature.
b)
become negatively charged.
c)
demagnetize the bar magnet.
d)
have an electric current.
77.
What is the total resistance of this circuit?
a)
150 Ω
b)
450 Ω
c)
9 Ω
d)
0.02 Ω
78.
What is the symbol for Thermal Energy?
a)
Q
b)
t
c)
m
d)
C
79.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
80.
What is the symbol for Specific Heat
a)
Q
b)
t
c)
m
d)
C
81.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
82.
Water has a specific heat of 4184 J/KgºC. Wood has a specific heat of 1760 J/KgºC. What material needs more energy to raise the temperature 1ºC
a)
Wood
b)
Water
c)
Both are the same
83.
A material was cooled from 100ºC to 40ºC. What is the temperature change?
a)
60ºC
b)
40ºC
c)
-60ºC
d)
-40ºC
84.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
85.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
86.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
87.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
88.
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
a)
418 Joules
b)
209 J
c)
83 J
d)
4.18 J
89.
If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?
a)
100 mL
b)
1000 mL
c)
They both heat up at the same speed
d)
They cool down.
90.
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
a)
418 Joules
b)
209 J
c)
83 J
d)
4.18 J
91.
There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?
a)
Large cup (Trenta)
b)
Small cup (Tall)
c)
Venti
d)
All three are the same temperature so they have same thermal energy
92.
If 200 grams of water is to be heated from 24.0° C to 100.0° C to make a cup of tea, what is the mass and what is the change in temperature?
a)
m=200g
∆t= 66
∆t= 66
b)
m=200g
∆t=124
∆t=124
c)
m=200
∆t=100
∆t=100
d)
m=200g
∆t=76
∆t=76
93.
For a skillet, used for cooking, do you want a high or low specific heat
a)
High, so that it will need more energy to heat up
b)
Low, so that it will change temperature quickly
94.
What has Specific Heat?
a)
pop tarts
b)
humans
c)
box
d)
all of the above
95.
What has particularly high specific heat?
a)
Water
b)
Gases
c)
Metals
d)
Poptarts
96.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
97.
A student placed a pencil in a cup of water. The pencil appears broken because light-
a)
always travels in a straight line
b)
bends when it passes through water
c)
makes the water in the glass evaporate
d)
reflects the pencil on the water's surface
98.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
99.
What direction does friction act relative to motion?
a)
in the same direction
b)
in the opposite direction
c)
need more information
d)
depends on the force
100.
The force that acts in the opposite direction of motion when two surfaces come in contact.
a)
Force
b)
Friction
c)
Static
d)
Kinetic
100 %
