WorksheetsPhysical Science Spring Final
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
A runner reaches the top of a steep hill and pauses before descending. At this moment, what type of energy is primarily stored in the runner?
a)
Electrical
b)
Thermal
c)
Kinetic
d)
Potential
2.
What type of energy does an object possess due to its motion?
a)
Chemical
b)
Nuclear
c)
Kinetic
d)
Potential
3.
Which type of energy is stored in the bonds of molecules and released during a chemical reaction?
a)
Nuclear
b)
Chemical
c)
Thermal
d)
Gravitational
e)
Elastic
4.
The SI unit of power is the ___________
a)
Joule
b)
Watt
c)
Einstein
d)
Kelly
5.
A machine that is comprised of two or more simple machines is called a________ machine?
a)
Complex
b)
Compound
c)
Heavy
6.
Why is no machine ever 100% efficient?
a)
Friction in the machine transforms some of it's kinetic energy to thermal energy.
b)
Gravitational potential energy transforms some of the energy to friction
c)
False machine can able 100% efficient
d)
Kinetic energy transforms some of the mechanical energy to potential energy.
7.
The SI unit of Work and Energy is the ________
a)
Watt
b)
Newton
c)
Joule
d)
Einstein
8.
How much work is done when a 35 N force moves a box 3.5 m?
a)
12.5 J
b)
0.1 J
c)
122.5 J
d)
10 J
9.
How much force is needed to move a box 6.4 meters if 650 J of work is done?
a)
101.6 N
b)
4160 N
c)
.010 N
d)
251 N
10.
If you apply 69 N of force and do 950 J while moving a box, then how far will the box have moved?
a)
.07 m
b)
881 m
c)
13.8 m
d)
65,550 m
11.
How much power does it take if force of 120 N moves a box 3 m in 2 s?
a)
80 w
b)
240 w
c)
360 w
d)
180 w
12.
How much work is done if a 200 W blender crushes ice for 15 s
a)
3000 J
b)
13.3J
c)
185 J
d)
215 J
13.
How long would it take to do 980 J of work with 35 W of power?
a)
42 s
b)
65 s
c)
160 s
d)
28 s
14.
What is the mechanical advantage if you lift 157.5 N box with a pulley system and you pull the rope with a force of 35 N? Output force / Input force
a)
.22
b)
4.5
c)
25
d)
2
15.
What is the efficiency of a machine if you do 890 J of work and the machine produces 780 J of work?
Output force / Input force
a)
87.6%
b)
75 %
c)
80 %
d)
120 %
16.
A cinder block is sitting on a platform 20 m high. It weighs 79 N. What is the block GPE?
a)
790 J
b)
15,484 Nxm
c)
1,580 J
17.
What type of circuit is shown in the diagram below?
a)
Series
b)
Parallel
c)
Current
d)
Static
18.
Which type of current only flows in one direction?
a)
direct
b)
alternating
c)
multiple
d)
series
19.
Use Ohm's Law to determine the voltage of a circuit which has 4 amps and 0.25 ohms of resistance.
a)
1 volt
b)
4 volt
c)
0.25 volt
20.
Use Ohm's Law to determine the current of a circuit that has 120 volts and 30 ohms of resistance.
a)
64 amps
b)
4 amps
c)
.25 amps
21.
Where is the magnetic force the strongest on a magnet?
a)
In the middle of the magnet
b)
At the magnetic poles
c)
At the geographic poles
d)
The magnetic force is equal in all areas.
22.
When the north pole of a magnet interacts with the south pole of another magnet they will_____
a)
repel each other
b)
cause a spark
c)
attract each other
d)
do nothing
23.
Material that can become magnetic such as Iron, Cobalt, and Nickel are known as___________.
a)
Magnetic Domains
b)
Superconductors
c)
Solenoids
d)
Ferromagnetic materials
24.
In a _________ wave, the particles of the medium move parallel to the direction the wave is traveling.
a)
Transverse
b)
Longitudinal
c)
Surface
d)
Electromagnetic
25.
In a ____________ wave, the particles of the medium move perpendicular to the direction the wave is traveling.
a)
Transverse
b)
Longitudinal
c)
Surface
d)
Ocean
26.
As a wave travels from one place to another, it transfers__________.
a)
Matter Only
b)
Energy Only
c)
Both Energy and Matter
d)
Neither Energy nor Matter
27.
What do mechanical waves require that an electromagnetic wave does not?
a)
Energy
b)
Light
c)
Amplitude
d)
A medium
28.
Which letter represents the wavelength?
a)
A
b)
B
c)
C
d)
D
e)
E
29.
Which letter represents the Amplitude?
a)
A
b)
B
c)
C
d)
D
e)
E
30.
Which letter represents a Crest?
a)
A
b)
B
c)
C
d)
D
e)
E
31.
Which letter represents a Trough?
a)
A
b)
B
c)
C
d)
D
e)
E
32.
The Unit Hertz (Hz) measures the ___________ of a wave
a)
Frequency
b)
Wavelength
c)
Speed
d)
Amplitude
33.
What is the speed of a wave that has a frequency of 20,000 Hz and a wavelength of 0.25 meters?
a)
5,000 m/s
b)
10,000 m/s
c)
5,000 s
d)
10,000 s
34.
What is the frequency of a wave that has a speed of 340 m/s and a wavelength of 2 meters?
a)
170 m/s
b)
680 Hz
c)
170 Hz
d)
680 m/s
35.
What is the wavelength of a wave with a speed of 1,700 m/s and a frequency of 25 Hz?
a)
42,500 m
b)
68 cm
c)
42,500 cm
d)
68 m
100 %
