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WorksheetsFinal Exam 2017 - Science
Total questions: 60
Worksheet time: 54mins
Name
Class
Date
1.
Reflected sound is known as a(n)
a)
echo
b)
elipse
c)
reverb
d)
megahertz
2.
A block appears red because
a)
it absorbs all colors except red.
b)
it absorbs only red and yellow light.
c)
it reflects red light and absorbs all other colors.
d)
it reflects all colors except red.
3.
The _________ of a sound wave indicates how much energy it has. When this is high, a sound will be loud.
a)
hertz
b)
frequency
c)
millimeters
d)
amplitude
4.
To find out how hot something is, we measure its , or the average kinetic energy of its particles.
a)
heat
b)
thermal energy
c)
conduction
d)
temperature
5.
The metric unit for measuring temperature is
a)
heat
b)
friction
c)
Celsius
d)
temperature
6.
On which temperature scale does water freeze at 0 degrees and boil at 100 degrees?
a)
Fahrenheit
b)
Celsius
c)
Kelvin
d)
Calvin
7.
When you touch something that feels cold,
a)
heat from your hand moves into the cold substance.
b)
coldness moves from the cold substance into your hand.
c)
it melts.
d)
it freezes.
8.
This variable in an experiment is the one being changed by the scientist.
a)
dependent (responding) variable
b)
independent (manipulated) variable
c)
observations
d)
control group
9.
What measures the space that something takes up?
a)
Density
b)
Distance
c)
Mass
d)
Volume
10.
How many variables should be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
11.
The metric system is only used in a few countries.
a)
True
b)
False
12.
The factors in an experiment that change or can be changed.
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
13.
The measurement of a liquid's resistance to flow is known as
a)
velocity
b)
sublimation
c)
viscosity
d)
ferocity
14.
What is condensation?
a)
gas to solid
b)
gas to liquid
c)
liquid to solid
d)
solid to liquid
15.
Particles are closest together in a
a)
Solid
b)
Liquid
c)
Gas
16.
In which state of matter do the particles spread apart and fill all the space available to them?
a)
crystal
b)
liquid
c)
gas
d)
solid
17.
Balloons can be twisted into different shapes because
a)
the force exerted changes the number of particles
b)
the volume of a gas is constant
c)
particles of gases can be compressed
18.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
d)
particles stop moving
19.
In a solid, the particles
a)
are tightly packed and vibrate in place.
b)
slip and slide past one another.
c)
have high energy and spread out in all directions.
d)
stop moving completely.
20.
What type of energy is in this picture of the slingshot pulled back?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
21.
This type of energy is stored in the bonds between atoms.
a)
mechanical
b)
solar
c)
nuclear
d)
chemical
22.
A magnet pulls on a paperclip you hold near it. This is an example of
a)
friction.
b)
gravity.
c)
contact force.
d)
noncontact force.
23.
All forces have both a ________ and a __________.
a)
contact noncontact
b)
strength direction
c)
size shape
d)
friction nonfriction
24.
Your weight is constant everywhere in the universe
a)
True
b)
False
25.
Where in the universe does gravity act?
a)
nowhere
b)
only on Earth
c)
only between the Sun and planets
d)
everywhere
26.
Sound waves are mechanical waves, meaning they need some material to travel through.
a)
True
b)
False
27.
The distance from one point on a wave and the nearest point just like it is a
a)
hertz
b)
frequency
c)
wavelength
d)
cycle
28.
True or False. An opaque object allows light to pass through it.
a)
True
b)
False
29.
A _____ ______ is an object that emits light.
a)
light source
b)
light beam
c)
light ray
d)
light lens
30.
What does the atomic number tell us?
a)
number of protons
b)
number of neutrons
31.
Vertical columns in the periodic table are called _________ of elements and have _______ chemical properties.
a)
groups, similar
b)
periods, similar
c)
groups, different
d)
periods, different
32.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
33.
The negatively charged particles that move around the nucleus are
a)
protons
b)
neutrons
c)
electrons
d)
quarks
34.
Most of the mass in an atom is concentrated in the
a)
electrons.
b)
nucleus.
c)
protons.
d)
empty space.
35.
What charge does a proton have?
a)
Negative
b)
Positive
c)
Neutral
d)
Visa
36.
The horizontal rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
37.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
38.
If the atoms of an object are moving fast and continue to move faster the temperature would be...
a)
increasing.
b)
decreasing.
c)
staying the same.
d)
freezing.
39.
Which particles are moving fastest?
a)
Particles in ice.
b)
Particles in boiling water.
c)
Particles in water from the sink.
d)
Particles in steam.
40.
What is the net force acting on the block?
a)
4 lbs to the right
b)
6 lbs to the right
c)
14 lbs to the right
d)
40 lbs to the right
41.
As distance between two objects increases, gravity between the objects
a)
decreases.
b)
disappears.
c)
increases.
d)
remains the same.
42.
If these teams are pulling with the same amount of force, what will happen?
a)
The team on the right will win.
b)
They will not move (net force=0).
c)
The team on the left will win.
d)
Both teams will fall down.
43.
A student wants to know if the material from which a parachute is made affects how long it takes it to fall to the ground. What is the responding (dependent) variable in this situation?
a)
parachute material
b)
parachute size
c)
height of drop
d)
time of fall
44.
Which state of matter has indefinite shape but definite volume?
a)
solid
b)
liquid
c)
gas
d)
plasma
45.
A(n) ______ lens curves outward.
a)
convex
b)
concave
c)
parallel
d)
opaque
46.
Heat moves from higher temperatures to lower temperatures.
a)
True
b)
False
47.
Coal contains _________ energy stored in the chemical bonds.
a)
kinetic
b)
potential
c)
mechanical
d)
solar
48.
The change of a solid directly to a gas is known as
a)
deposition.
b)
sublimation.
c)
saturation.
d)
evaporation
49.
As you move from left to right on the periodic table, elements become
a)
more reactive.
b)
more stable.
c)
lighter.
d)
less stable.
50.
The Law of the Conservation of Energy states that energy cannot be _______ nor _______.
a)
increased, decreased
b)
created, destroyed
c)
stored, released
d)
warm, cold
51.
If the lids were removed from these containers, what would happen?
a)
The solid would fly out of the container
b)
The liquid would fly out of the container.
c)
The gas would fly out of the container.
d)
They ALL would fly out of the container.
52.
Pushing harder as you skateboard causes you to speed up more is an example of which law?
a)
1st: Law of Inertia
b)
2nd: Law of Mass and Acceleration
c)
3rd: Law of Action Reaction
d)
4th: Longboard's Law
53.
A person is pushed forward into their seatbelt when a car stops. This is an example of which of Newton's laws?
a)
1st: Law of Inertia
b)
2nd: Law of Mass and Acceleration
c)
3rd: Law of Action and Reaction
d)
Seatbelt Safety Law
54.
This describes the tendency of objects to keep doing what they were doing (resting or moving)
a)
mass
b)
inertia
c)
balance
d)
momentum
55.
Which law best describes pushing a truck vs. pushing a car?
a)
Law of Inertia
b)
2nd: Law of Mass and Acceleration
c)
3rd: Law of Action & Reaction
d)
Law of Lemon Cars
56.
Flagpole
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
57.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane
58.
A single fixed pulley changes
a)
the amount of force.
b)
the direction of force.
c)
the amount of work.
d)
both the amount and direction of force.
59.
What do we call the point on which a lever pivots?
a)
end
b)
load
c)
fulcrum
d)
middle
60.
No machine in existence has 100% efficiency due to ____________________.
a)
magic
b)
friction
c)
smoke
d)
input
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