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Worksheets8th Grade Science SOL Review
Total questions: 156
Worksheet time: 2hrs 56mins
The variable that the experimenter changes on purpose is the ______.
dependent variable
independent variable
control
constant
The variable that is being measured or observed is the ______ variable.
dependent
independent
constant
control
The variable that all others are being compared to. If is often the condition with nothing added or the normal way it is done.
Dependent
Independent
Control
Constant
Which measurement would you use to measure the length of a piece of paper?
kilometers
centimeters
milimeters
kilograms
Which measurement would you use to measure the volume of a soda bottle?
centimeters
liters
kilograms
milimeters
Which measurement would you use to measure your mass?
kilograms
kilometers
liters
centimeters
kilo
1000
0.01
100
0.001
centi
1000
0.01
0.001
100
milli
0.001
0.01
100
1000
Force is measured in ______.
Newtons
Kelvin
Joules
Watts
Acceleration in measured in ______.
m/s 2 (Squared)
m
g/ml
kg
Speed is measured in ______.
m/s
g/mL
kg
Kelvin
Length is measured in ______.
m
kg
g/mL
Newtons
Temperature is measured in ______.
Kelvin
Newtons
Watts
Joules
Energy is measured in ______.
Joules
Newtons
Watts
Kelvin
Work is measured in ______.
Joules
Watts
Power
Newtons
Power is measured in ______.
Watts
Newtons
Joules
Kelvin
Mass is measured in ______.
kg
meters
centimeters
Liters
Time is measured in ______.
Seconds
quarks
Kelvin
Celsius
Density is measured in ______.
g/ml or g/cm3
kg
m
m/s
What state of matter is tightly packed, has a definite volume & shape and has low energy.
Solid
Liquid
Gas
Plasma
What state of matter has flowing particles, volume but no shape and medium energy?
Solid
Liquid
Gas
Plasma
State of matter that is spread out, has no definite shape or volume and has high energy.
Solid
Liquid
Gas
Plasma
What state of matter has no shape, no volume and collides violently?
Solid
Liquid
Gas
Plasma
Endothermic
Heat in
Heat out
Exothermic
Heat in
Heat out
Solid to liquid
(endothermic)
Melting
Vaporizing
Condensing
Freezing
Liquid to a gas
(endothermic)
Melting
Vaporizing
COndensing
Freezing
Gas to a liquid
(exothermic)
Melting
Vaporizing
Condensing
Freezing
liquid to a solid
(exothermic)
Melting
Condensing
Vaporizing
Freezing
Describes the appearance or characteristics of a substane.
Physical Property
Chemical Property
Physical Change
Chemical Change
Describes how it can react in a chemical reaction.
Physical Property
Chemical Property
Physical Change
Chemical Change
Change in appearance of a substance
Physical Property
Chemical Property
Physical Change
Chemical Change
Creation of a new substance with new properties.
Physical Property
Chemical Property
Chemical Change
Physical Change
Color
Physical Property
Chemical Property
Burning
Physical property
Chemical property
Weight
Physical Property
Chemical Property
Hardness
Physical Property
Chemical Property
Reaction with acid
Physical Property
Chemical Property;'/.,.
Boiling Point
Physical Property
Chemical Property
Density
Physical Property
Chemical Property
Rusting
Physical Property
Chemical Property
Sharpening a pencil
physical change
chemical change
Evaporating Water
Physical Change
Chemical Change
Rusting steel wool
Physical Change
Chemical Change
Mixing sand and water
Physical Change
Chemical Change
Burning a pencil
Physical Change
Chemical Change
Freezing water
Physical Change
Chemical Change
Spray painting a car
Physical Change
Chemical Change
Melting ice cream
Physical Change
Chemical Change
Mixing acid and sugar
Physical Change
Chemical Change
Hot Chocolate
substance
homogeneous mixture
heterogeneous mixture
Oxygen
Element
Compound
Substance
Mixture
Air in a room
Homogeneous Mixture
Heterogeneous Mixture
Element
Compound
Italian salad dressing
homogeneous mixture
heterogeneous mixture
element
compound
sugar water
homogeneous mixture
heterogenous mixture
element
compound
Lucky Charms cereal
homogeneous mixture
heterogeneous mixture
element
compound
Carbon Dioxide
homogeneous mixture
heterogeneous mixture
compound
element
Water
homogeneous mixture
heterogeneous mixture
compound
element
N 2 (Subscript)
Heterogeneous mixture
Homogeneous mixture
compound
element
NaCl
homogeneous mixture
heterogeneous mixture
compound
element
______ release H* ions when dissolved in water and have pH values of less than 7.
Acids
Bases
______ release OH*ions when dissolved in water and have pH values of greater than 7.
Acids
Bases
Which is neither an acid nor a base?
3
5
7
9
Which is the strongest acid?
3
5
9
11
Which is the weakest acid?
3
5
9
11
What is the strongest base?
3
5
9
11
Which is the weakest base?
3
5
9
11
______ compounds contain the element carbon (C)
Organic
Inorganic
______ compounds do not contain carbon.
Organic
Inorganic
The atomic number represents the number of ______ and ______.
protons
electrons
neutrons
electrons
protons
neutrons
On the Periodic Table the group number tells us the _______.
number of valence electrons
number of protons
number of total electrons
number of neutrons
Valence electrons are the
electrons in the outer most energy level
the total number of electrons of an atom
electrons that have a positive charge
electrons that have a neutral charge
______ are the rows on the periodic table that tell how many energy levels each element has.
Periods
Groups
Columns
Valence Electrons
______ is the small number after the symbol of the element. It tells you the number of each atoms in a formula.
Subscript
Coefficient
Reactant
Product
The number in front of the molecule in a chemical formula that tells you how many molecules are in the formula.
Subscript
Coefficient
Compound
Element
What kind of bond is formed between a metal and a nonmetal?
Ionic
Covalent
What kind of bond is between a nonmetal and a nonmetal?
Ionic
Covalent
Electrons are lost or gained in this type of bond.
(transferred)
Ionic
Covalent
Electrons are shared in this type of bond.
Ionic
Covalent
What law states that mass cannot be created or destroyed?
Law of Conservation of Matter
Law of Conservation of Energy
Law of Conservation of Speed
Law of Conservation of Gravity
Equations are balanced when there are the same number of atoms of an element on the reactant side of the equation as there are of that element on the product side.
True
False
Dividing of a large atom to smaller atoms which results in the products becoming radioactive. Found in nuclear reactors and weapons.
Fission
Fusion
Combining of small atoms into large atom. Takes place on sun and stars. Products are safe. (Helium)
Fission
Fusion
The Law of Conservation of Energy states that energy cannot be created or destroyed, it can only ______.
change form
disappear
evaporate
condense
Stored energy or energy of position
Potential
Kinetic
LIght
Electrical
Energy of motion
Potential
Kinetic
Chemical
Mechanical
Rolling rock
Potential
Kinetic
Sitting dog
Potential
Kinetic
Bottom of a roller coaster
Potential Energy
Kinetic Energy
Top of a pendulum
Potential Energy
Kinetic Energy
Increase in temp
Heat energy
Light Energy
Electrical Energy
Mechanical Energy
Makes things visible
Heat Energy
Light Energy
Electrical Energy
Mechanical Energy
Flow of electrons
Heat Energy
Light Energy
Electrical Energy
Mechanical Energy
Makes things move
Heat Energy
LIght Energy
Electrical Energy
Mechanical Energy
Changing nucleus of atom through fission or fusion
Electrical Energy
Mechanical Energy
Nuclear Energy
Chemical Energy
Stored and released in a chemical reaction
Mechanical Energy
Chemical Energy
Nuclear Energy
Mechanical Energy
Food
Chemical Energy
Light Energy
Mechanical Energy
Nuclear Energy
Fire
Chemical Energy
Thermal/Light Energy
Nuclear Energy
Electrical Energy
Windmill
Mechanical Energy
Chemical Energy
Electrical Energy
Thermal Energy
Chain reaction
Chemical Energy
Mechanical Energy
Nuclear Energy
Thermal Energy
The Sun
Nuclear Energy
Chemical Energy
Mechanical Energy
Electrical Energy
Battery
Chemical Energy
Mechanical Energy
Nuclear
Electrical Energy
Transfer of heat by waves is called ______.
Conduction
Convection
Radiation
Transfer of heat by direct contact is called ______.
conduction
convection
radiation
Transfer of heat by electromagnetic waves is called ______.
Conduction
Convection
Radiation
Sound waves are called _______ waves.
longitudinal
(compressional)
transverse
Type of wave that requires a medium in order to travel. They travel faster in warmer temperatures than in cold temperatures.
Longitudinal
Transverse
These waves can travel through all states of matter but travel faster through solids. This is because in solids the molecules are very close together and influence each other. As the frequency of the wave increases, the wavelength decreases.
Longitudinal Waves
Transverse Waves
Ocean waves that travel perpendicular are called ______ waves.
transverse
longitudinal
What is the change in sound due to motion called?
Doppler Effect
Background Effect
Series Effect
Parallel Effect
What type of wave does not require a medium in order to travel?
LIght Waves
Sound Waves
Light waves travel faster than sound waves, which is why we see lightning before we hear ______.
Thunder
Rain
Sleet
Snow
Which wave on the electromagnetic spectrum has the highest frequency?
Gamma Rays
Radio Waves
Visible Light
Infrared
Which wave in the electromagnetic spectrum has the lowest frequency?
Gamma Rays
Radio Waves
Visible Light
Ultraviolet
What is the only light we see?
Visible Light
Ultraviolet
X-Rays
Gamma Rays
What happens when you see a green shirt?
Green is reflected, all others are absorbed
Green is absorbed, all others are reflected
Bending of waves caused by a change in speed (different mediums)
Refraction
Reflection
What is happening when a wave strikes an object and bounces back?
Refraction
Reflection
The angle of incidence always equals the angle of ______.
refraction
reflection
right
obtuse
What type of lens spreads out light and makes objects appear smaller?
(nearsightedness)
Concave
Convex
What type of lens brings light together and makes objects appear larger?
(farsightedness)
Concave
Convex
What type of mirror makes the image large and upside down?
(Ex. makeup mirror)
Concave
Convex
What type of mirror makes the image smaller and show a wide area?
(Ex. car mirror, store security mirror)
Concave
Convex
______ is how fast an object is moving.
speed
motion
acceleration
velocity
______ is the change in the position of an object when compated to a nonmoving reference point.
Speed
Motion
Acceleration
Velocity
______ is the speed of an object and its direction of motion.
Speed
Motion
Acceleration
Velocity
A change in velocity is called ______.
speed
motion
acceleration
velocity
A decrease in velocity is called ______.
acceleration
deceleration
speed
velocity
______ is a push or pull exerted on an object.
Motion
Force
Work
Power
How would you calculate the average speed?
Total distance/total time
Total time/total distance
Mass/volume
Distance/velocity
______ is the amount of matter in an object.
Mass
Volume
Matter
Density
______ is a measure of the force of gravity on an object.
Mass
Matter
Weight
Motion
Your ______ will change if you travel to the moon because there is a change in gravity. However, your ______ will remain the same.
weight
mass
mass
weight
matter
weight
weight
matter
The force of gravity is determined by which two things?
1. the mass of the object
2. the distance between the object
1. the weight of the object
2. the shape of the object
1. the mass of the object
2. the material of the object
1. the weight of the object
2. the color of the object
An object at rest, will remain at rest and an object in motion will remain in motion unless acted upon by an outside force.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Force equals mass times acceleration
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
For every action there is an equal and opposite reaction.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
You hit a ping-pong ball and a tennis ball with a tennis racket.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law2
If you let the air out of a balloon, what will happen to the balloon?
It will fly in the opposite direction
It will fly in the same direction as the air being let out
It will fall straight to the ground
It will fly up into the sky
The horse you are riding on stops quickly. What will happen to you?
You will continue forward
You will fall sideways
You will fall backwards
You will not be effected
______ is the force that opposes motion.
Friction
Power
Work
Force
Screw, Wedge, Lever, Pulley, Wheel & Axle and Inclined Plane are all examples of ______.
simple machines
tools
compound machines
Axis'
s=d/t
speed
force
work
power
F=ma
Speed
Force
Work
Power
W=Fd
Speed
Force
Work
Power
P=W/t
Speed
Force
Work
Power
Buildup of charges on an object.
Static electricity
Current electricity
Circuit electricity
When you add lights to a series circuit, what happens?
lights get dimmer
lights get brighter
lights go out
no change
When you add lights to a parallel circuit, what happens?
lights get dimmer
lights get brighter
lights stay the same
no lights will shine
What happens in a series circuit when one light goes out?
(Strand of Christmas lights)
they will still light up
they will all go out
they will get brighter
they will get dimmer
What happens in a parallel circuit when one light goes out?
all lights go out
all other lights stay on
they get brighter
they get dimmer
______ allow for the easy flow of electrons.
Conductors
Insulators
rubber band
stick
______ slow down or stop the flow of electrons.
Conductors
Insulators
Pennies
Paperclips
A temporary magnet produced by a wire coil around an iron core.
Electromagnet
Battery
Cylinder
Voltage
Tightening the coils
Adding more coils
Increase the current
Use an iron core
increase the number of nails
Increase voltage
Will increase the strength of the electromagnet
Will decrease the strength of the electromagnet
Will do nothing to the strength of the electromagnet
Will blow up the electromagnet
