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WorksheetsEOC review
Total questions: 50
Worksheet time: 47mins
Name
Class
Date
1.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
2.
Which two factors affect the gravitational attraction between two objects?
a)
Density and Friction
b)
Mass and Distance
c)
Density and Distance
d)
Mass and Friction
3.
Which has 4 valence electrons on the outer energy level?
a)
Boron
b)
Silicon
c)
Beryllium
d)
Sulfur
4.
In an electric motor, the energy transformation begins as ----
a)
electrical and becomes chemical
b)
mechanical and becomes electrical
c)
electrical and becomes mechanical
d)
mechanical and becomes chemical
5.
Electric fields are often associated with what other kind of field?
a)
Magnetic Fields
b)
Nuclear Fields
c)
Particle Fields
d)
Corn Fields
6.
Which device uses mechanical energy to produce electrical energy?
a)
Electric Motor
b)
Magnet
c)
Generator
d)
Solar Cell
7.
1. An iron nail is not normally magnetic. In an electromagnet, the iron nail can attract iron and steel. How can a nail become magnetized in an electromagnet?
a)
A. The electricity in running through the wire produces a magnetic field and magnetizes the iron
b)
B. The nail is a special type of nail
c)
C. The paper clips will magnetize the nail
d)
D. Being close to the battery magnetizes the nail
8.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
9.
Does this statement best describe a parallel or a series circuit.
Different voltages are dropped across each resistor.
Different voltages are dropped across each resistor.
a)
Parallel circuit
b)
Series circuit
10.
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
a)
radiation
b)
conduction
c)
convection
d)
insulation
11.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
12.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
13.
When someone is playing music by the road and you drive pass him, the music will _______
a)
become higher and then lower
b)
become lower and then higher
c)
become lower
d)
become higher
14.
Which letter represents the amplitude of the wave?
a)
A
b)
B
c)
C
d)
D
15.
Imagine one end of a rope is tied to a door handle. The other end is caused to vibrate vertically(up & down). The wave that travels along the rope is an example of a(n)...
a)
Electromagnetic Wave
b)
Microwave
c)
Transverse Wave
d)
Longitudinal Wave
16.
Sound is an example of which type of wave?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
17.
How many waves are in this picture?
a)
1
b)
2
c)
3.5
d)
4
18.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
19.
Name the type of radioactive particle that can be stopped by a sheet of paper.
a)
alpha
b)
beta
c)
gamma
d)
lambda
20.
A helium nucleus with two protons and two neutrons is called a(n) ____ particle
a)
alpha
b)
beta
c)
gamma
d)
lambda
21.
Negatively charged particles emitted from a nucleus at a high speed are ____ .
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
22.
The process by which nuclei having small masses are united to form a single larger nucleus is called nuclear ____.
a)
fusion
b)
fission
c)
reactivity
d)
waste
23.
Energy in the sun is produced as a result of nuclear ____ reactions.
a)
fusion
b)
fission
c)
waste
d)
sub
24.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
25.
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
a)
1.25mg
b)
1.25g
c)
10g
d)
10mg
26.
If "ionization" is the process of an atom becoming an ion, which of the following describes this?
a)
The atom jumps from one period to another
b)
Atom loses or gains protons
c)
Lithium turns into flourine
d)
Atom loses or gains electrons
27.
Which compound has the weaker chemical bond?
a)
ionic
b)
covalent
c)
metallic
d)
electric
28.
Boyle's law : The pressure and volume of a gas show a _____ relationship.
a)
No relationship
b)
Direct
c)
Inverse
d)
Equal
29.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
30.
On the pH scale what number is the most acidic
a)
14
b)
0
c)
1
d)
7
31.
How does a solution become supersaturated?
a)
dissolve lots of solute in it.
b)
dissolve a little solute in it.
c)
dissolve more solute than you should be able to.
d)
dissolve a super amount of solvent in it.
32.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
33.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
34.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
35.
Specific heat is....
a)
The measure of kinetic energy of an objects particles
b)
A measure of the energy needed to increase the average kinetic energy of the particles
c)
The heating caused by the motion of flluid due to temperature difference
d)
The transfer of energy by electromagnetic radiation
36.
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?
a)
200 J
b)
20.0J
c)
100 J
d)
10 J
37.
If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.
a)
400m
b)
40m
c)
50m
d)
4m
38.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
39.
A runners races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
40.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
41.
The graph represents
a)
no motion
b)
Constant velocity
c)
Acceleration
d)
negative acceleration
42.
Find the velocity of a truck that travels 75 miles north in 2.5 hours.
a)
187.5 mph north
b)
30 mph north
c)
300 mph north
d)
200 mph north
43.
a)
1st
b)
2nd
c)
3rd
44.
a)
1st
b)
2nd
c)
3rd
45.
If the mass of an object decreases, what property will decrease as well?
a)
Acceleration
b)
Force
c)
Inertia
d)
Velocity
46.
If an unbalanced force acts on an object, what will be the outcome?
a)
No change
b)
Acceleration
c)
Mass will increase
d)
Mass will decrease
47.
What is effort (input) force?
a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
48.
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
a)
1
b)
10
c)
100
d)
1000
49.
How does a single fixed puled, like the one seen here, help you do work?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
50.
Where should the fulcrum be placed in order for the student to use the least amount of effort possible?
a)
point A
b)
point B
c)
point C
d)
point D
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