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WorksheetsGeorgia Milestone Science Review
Total questions: 87
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
Which statement about molecules in ice and the molecules in water is?
a)
The molecules in ice have more energy than the molecules in liquid water
b)
The molecules in ice contain different atoms than the molecules in liquid water
c)
The molecules in ice have more electric charge than the molecules in liquid water
d)
The molecules in ice are less free to move than the molecules in liquid water
2.
Which of the following is a compound?
a)
Oxygen
b)
Water
c)
Nitrogen
d)
Air
3.
Which symbol represents carbon?
a)
Ca
b)
N
c)
K
d)
C
4.
Evidence of a chemical change would be a
a)
melting popsicle
b)
spinning top
c)
spilled bucket of water
d)
rusting car fender
5.
Moisture that collects on the outside of a cold glass results from the process of
a)
evaporation
b)
condensation
c)
sublimation
d)
vaporization
6.
A hot air balloon rises because
a)
molecules become lighter when heated
b)
molecules move faster and farther apart when heated
c)
molecules are less attracted by gravity when heated
d)
molecules become charged and repel each other when heated
7.
The solid, liquid, and gaseous states of water differ from each other in
a)
the mass of the individual atoms
b)
the size of he individual atoms
c)
the net electrical charge of the individual molecules
d)
the average speed of movement of the individual molecules
8.
The solid, liquid, and gaseous states of water differ from each other in
a)
the mass of the individual atoms
b)
the size of he individual atoms
c)
the net electrical charge of the individual molecules
d)
the average speed of movement of the individual molecules
9.
Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?
a)
Both mixtures and compounds are the same throughout
b)
Mixtures and compounds are made of two or more elements in a definite proportion
c)
mixtures must be separated by chemical methods and compounds by physical methods
d)
mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined
10.
Which symbolizes a molecule of a compound?
a)
He
b)
Be
c)
N2
d)
NaCi
11.
A different chemical substance is formed when
a)
piece of cloth is cut
b)
cup breaks
c)
candle burns
d)
piece of chalk breaks
12.
Carbon dioxide is...
a)
an element
b)
a compound
c)
a solution
d)
a mixture
13.
A chemical change combining two elements results in...
a)
an atom
b)
a compound
c)
an element
d)
a mixture
14.
All plant and animal life on Earth contains what element?
a)
sulfur
b)
carbon
c)
silicon
d)
aluminum
15.
Which is usually true about metals?
a)
Metals melt at a lower temperatures than any other elements
b)
metals always have their atoms arranged into crystals
c)
metals do not combine easily with nonmetals
d)
Metals conduct electricity more easily than nonmeals
16.
When a gas forms a liquid, which process is taking place?
a)
freezing
b)
condensation
c)
boiling
d)
evaporation
17.
The element beryllium (Be, atomic number 4 and atomic mass 9) is right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?
a)
5
b)
7
c)
8
d)
15
18.
What is an example of a physical change?
a)
ice melting
b)
salt crystals being ground to powder
c)
water evaporating
d)
wood burning
19.
Which action would result in a chemical change?
a)
crumpling several sheets of paper
b)
pounding a nail into a piece of wood
c)
peeling and slicing a carrot
d)
making blueberry muffins
20.
The amount of matter in an object is called its...
a)
weight
b)
gravity
c)
mass
d)
force
21.
A chemical change for a piece of metal would be
a)
being bent in half
b)
getting cut into two pieces
c)
being painted
d)
getting rusty
22.
Putting sand and salt together makes
a)
a compound
b)
an element
c)
a mixture
d)
a solution
23.
All of the substances on the periodic table are classified as elements because they
a)
are pure substances
b)
are composed of atoms
c)
cannot be broken down into other substances
d)
cannot be dissolved in water or other liquids
24.
Which is correct symbol for the element sodium?
a)
S
b)
Al
c)
Cl
d)
Na
25.
Which statement is true about the electrical properties of metals?
a)
metals have high electrical resistance
b)
lightweight metals are the best conductors
c)
metals an plastics are both good insulators
d)
metals are good electrical conductors
26.
A difference between physical change an chemical change is that
a)
a chemical change involves energy while physical change does not
b)
physical change involves energy while chemical change does not
c)
different kinds of molecules are present after a physical change but not a chemical change
d)
different kinds of molecules are present after a chemical change but not a physical change
27.
Silver is white metal that is an excellent conductor of heat ad electricity. The density of silver is 10.49 g/cm3. Silver does not react with water but does not react with nitric acid. Silver tarnishes when exposed to air. A physical property of silver is
a)
silver reacts with nitric acid
b)
silver does not react with water
c)
the density of silver is 10.49 g/ cm3
d)
silver tarnishes when exposed to air
28.
Each element in the periodic table is assigned an atomic number. This number is the same as...
a)
the number of electrons in the atom's nucleus
b)
the number of protons in the atom's nucleus
c)
the number of neutrons in the atom's nucleus
29.
Which shows only a physical change in the wood?
a)
a tree
b)
cutting wood
c)
burning wood
d)
ashes of the wood
30.
Two or more atoms, joined covalently, that act as a unit, are called a(n)...
a)
ion
b)
atom
c)
mixture
d)
molecule
31.
During science lab, some students added small pieces of magnesium (Mg) to hydrochloric acid (HCI). They noticed bubbles formed, the test tube got hot, and the magnesium disappeared. Which of the following is a sign that a chemical reaction has taken place in this experiment?
a)
odor
b)
formation of gas
c)
decrease in tempature
d)
formation of precipitation
32.
which of these provided evidence of a physical property of one of the white powders?
a)
vinegar fizzed
b)
test tube got hot
c)
cornstarch turned black
d)
cornstarch felt slippery
33.
Which of these is an observed chemical property?
a)
color of powder
b)
density of powder
c)
powder dissolves in water
d)
powder reacts with vinegar
34.
As you move across the periodic table from left to right within a period, the elements...
a)
become less stable
b)
become more reactive
c)
change from gases to solids
d)
change from metals to nonmetals
35.
Through which of the following materials does heat travel the fasest
a)
glass
b)
metal
c)
plastic
d)
wood
36.
Which of the following is an example of kinetic energy?
a)
a child jumping rope
b)
a swimmer ready to dive
c)
a stuffed toy lying on a table
d)
firewood stacked in a fireplace
37.
Which represents kinetic energy?
a)
a bear standing in a field of berries
b)
a salmon resting in still water
c)
a bear holding a salmon it has caught
d)
a salmon leaping up a waterfall
38.
When a hair dryer is being used, one of the energy transformations that takes place is
a)
electrical to chemial
b)
electrical to mechanical
c)
mechanical to electrical
d)
chemical to electric
39.
When electrical energy is "used" by an electric light, what really happens to the energy
a)
it is given off as other forms of energy
b)
it changes matter
c)
it stops at the electric light
d)
it dissapears
40.
In which state of matter are molecules in contact with each other but free to move?
a)
solid
b)
liquid
c)
gas
41.
A car stopped at the top of the ramp has...
a)
heat energy
b)
potential energy
c)
kinetic energy
d)
mechanical energy
42.
In an amusement park a moving bumper car (car 1) collides with a bumper car at rest (car 2) and, after the collision, both cars move. If momentum is conserved, which statement is correct?
a)
The momentum of car 1 increases and the momentum of car 2 decreases
b)
The momentum of car 1 decreases and the momentum of car 2 increases
c)
The total momentum of both cars increase
d)
The total momentum of both cars decrease
43.
To pull up a bucket of water from a well, George pulled hard on a handle to wind up a rope. Which kind of energy was George applying to the handle?
a)
chemical energy
b)
frictional energy
c)
potential energy
d)
mechanical energy
44.
What is the process by which heat energy gets to Earth from the sun?
a)
conduction
b)
radiation
c)
subduction
d)
convection
45.
Which situation is an example of increasing potential energy?
a)
pulling a wagon uphill
b)
emptying a bucket of water
c)
a cat jumping from a tree
d)
a bicyclist stopping at a stop sign
46.
A pitcher throws a baseball towards the catcher and batter. Which of these has MOSTLY kinetic energy?
a)
the pitcher
b)
the ball
c)
the batter
d)
the catcher
47.
How do microwaves cook food?
a)
by using elctromagnetic waves and the process of radiation
b)
by using hot air currents through the process of convection
c)
by using the movement of charged particles through the process of induction
d)
by using direct contact of moving particles through the process of conduction
48.
Gasoline, wood, water behind a dam, and a boulder on the edge of a cliff all represents some form of potential energy. What form of potential energy do gasoline and wood have in common?
a)
heat
b)
light
c)
chemical
d)
mechanical
49.
On a cold, winter day, Sheena rubs her hands together. Stored chemical energy is transformed into mechanical energy. Due to the Law of Conservation of Energy some of the energy is also transformed into...
a)
heat energy
b)
light energy
c)
solar energy
d)
kinetic energy
50.
What form of energy is associated with the movement of charges, usually electrons?
a)
chemical
b)
electrical
c)
heat
d)
sound
51.
_____ energy is produced when a force causes a substance to vibrate, and the energy transferred through the substance in a wave.
a)
heat
b)
light
c)
mechanical
d)
sound
52.
Shiana uses a shovel to dig a hole for a tree. A shovel is an example of a compound machine because it is made up of what two simple machines?
a)
wheel & axle and lever
b)
lever and wedge
c)
screw and wedge
d)
inclined plane and wedge
53.
What type of simple machine is used to pull a flag to the top of a flagpole?
a)
screw
b)
wheel and axle
c)
inclined plane
d)
pulley
54.
Sam was learning how to roller-skate. He did not want to go fast. On which kind of floor surface would Sam travel the slowest?
a)
carpet
b)
concrete
c)
tile
d)
wood
55.
Which best explains why a person using a ramp can load heavy boxes onto a truck easier than a person can only using human strength?
a)
The person using the ramp needs less force
b)
The person using the human strength needs less force
c)
The ramp reduces the weight of the boxes
d)
Friction makes it harder to lift boxes without a ramp
56.
Which term refers to the rate of change in motion?
a)
acceleration
b)
speed
c)
momentum
d)
velocity
57.
What must happen to an object in order to accelerate it?
a)
a net force must be applied
b)
some weight must be removed
c)
its frictional coefficient must be reduced
d)
it must contain momentum
58.
A car is traveling down a hill. Which if the following will affect the amount of energy the car has?
a)
how long the car is
b)
the day of time
c)
how much the car weighs
d)
the color of the car
59.
What type of simple machine is used to split things apart?
a)
screw
b)
wheel and axle
c)
wedge
d)
inclined plane
60.
Which of the following is often used as a lever?
a)
file
b)
nail
c)
saw
d)
crowbar
61.
Which activity involves the use of a simple machine?
a)
riding on a seesaw
b)
flying a kite
c)
listening to a radio
d)
skiing down a hill
62.
This graph shows the velocity of a car. Which statement BEST explains how the car is moving?
a)
velocity is increasing, so the car is accelerating
b)
velocity is decreasing, so the car is accelerating
c)
velocity is increasing, so the car is not accelerating
d)
velocity is decreasing, so the car is not accelerating
63.
All objects in the universe is attracted to each other by the force of
a)
effort
b)
friction
c)
gravity
d)
inertia
64.
On which simple machine is a fulcrum found?
a)
pulley
b)
wheel
c)
axle
d)
lever
65.
Jeff was riding in a car. Which change demonstrates the GREATEST effort of inertia?
a)
the car makes a sudden stop
b)
the car slows down gradually
c)
the car changes into another lane
d)
the car runs out of gas and rolls to a stop
66.
Manuel is coasting on a bike. Because he is not pedaling, his bike will come to a stop. Which of these will cause his bike to stop
a)
an increase of kinetic energy
b)
Earth's magnetic field
c)
the property of inertia
d)
the force of friction
67.
Simon rolled a ball down a hill. The ball stopped before it reached the bottom of the hill. Which of these MOST LIKELY stopped the ball from rolling?
a)
mass
b)
gravity
c)
friction
d)
inertia
68.
When doing work using simple machines, what happens when the effort distance is increased?
a)
the effort force is decreased
b)
the efort force is icreased
c)
the resistance force is increased
d)
the directin of the effort foce is changed
69.
You use a long pole balanced on a brick to lift the rock and start it rolling. You push down on one end of the pole and the rock moves up. This simple machine is an example of a(n)
a)
fixed pulley
b)
inclined plane
c)
first class lever
d)
second class lever
70.
The distance between a wave's crest an t's trough is known as its...
a)
low tide measurement
b)
water depth
c)
wave height
d)
wave length
71.
When a rock is dropped into a large puddle,
a)
the energy of the wave is greatest at the center of the puddle
b)
the energy of the wave is greatest at the edge of the puddle
c)
the energy of th wave is greatest between the center and the edge of the puddle
d)
the energy of the wave doesn't change as they move away from the ceter of the puddle
72.
As Maria stood knee-deep in the ocean, she noted how high the waves came up on her compared to the day before. Which property of waves was Maria observing?
a)
frequency
b)
wavelength
c)
amplitude
d)
speed
73.
The leaves on the tree appear to be green because the molecules of the leaves
a)
emit only green light
b)
absorb only green light
c)
absorb all colors but green
d)
reflect the light back unchanged
74.
Electromagnetic waves and mechanical waves are alike and different. What is one way in which these waves are similar?
a)
both types of waves require a medium
b)
both types of waves have a frequency
c)
both types of waves transmit matter
d)
both types of waves have a pitch
75.
The speed of sound wave depends MOSTLY on...
a)
the amplitude of the wave
b)
the frequency of the wave
c)
the angle at which it approaches the listener
d)
the medium through which the wave travels
76.
After the train passed, the pitch of the train whistle became lower. This change in sound would be represented by what change?
a)
the distance of the wavelength would increase
b)
the distance of the wavelength would decrease
c)
the amplitude would increase
d)
the amplitude would decrease
77.
You can see your image in a shiny, flat surface because lights waves bounce directly back at you and your eyes. This is an example of...
a)
diffraction
b)
reflection
c)
refraction
d)
transparency
78.
Sound waves are transmitted fastest through...
a)
air
b)
liquids
c)
solids
d)
vacuum
79.
Which of these is one way that mechanical waves differ from mechanical waves?
a)
mechanical waves require a energy ad eletromagnetic waves do not
b)
mechanical waves require a medium and electromagnetics do not
c)
electromagnetic waves require a medium and a mechanical waves do not
d)
Mechanical waves transmit matte and electromagnetic waves transmit energy
80.
What is negatively charged particles that flows through a circuit?
a)
electron
b)
proton
c)
neutron
d)
ion
81.
The force that holds to Earth's surface is..
a)
gravity
b)
weight
c)
mass
d)
pressure
82.
Which is true about friction and gravity?
a)
both are forces
b)
both cause energy loss
c)
both cause things to speed up
d)
both cause heat
83.
If you travel to the moon, your weight would be about one-sixth less than it is on Earth. This s because the moon...
a)
has a smaller circumference tha Earth
b)
is much less massive than Earth
c)
rotates much slower than Earth
d)
has no water on it surface
84.
A(n) _____ circuit has only one path for the current to take.
a)
open
b)
parallel
c)
resistant
d)
series
85.
A circuit contains our light bulbs. One light bulb goes out but the other three stay lit. This must be a(n) _____ circuit.
a)
open
b)
series
c)
parallel
d)
resistant
86.
How can materials in the diagram be used to make a magnet?
a)
replace the iron nail with a wood rod
b)
add more loops of wire t the iron nail
c)
connect the ends of th wire to each other
d)
touch the ends of the wire to the ends of the battery
87.
Which is a result of the effect of gravity?
a)
Rocket engines can force objects into space
b)
Air friction causes falling objects to slow down
c)
Released objects always all towards Earth's surface
d)
Airplanes are ale to fly without falling to the ground
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