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8th Grade Physical Science SOL Review Flashcards | StudBud
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8th Grade Physical Science SOL Review
8th Grade Physical Science SOL Review
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1
In New Mexico, a desert, what is probably the most efficient alternate energy source?
Salt
Steam
Solar
Wind
2
What is the difference between plant cells and animal cells?
plant cells have vaculoles and box shaped cell walls
animal cells are round and have no nucleus
plant cells contain mitochondria and are round
plant cells lack a nucleus and are round
3
The majority of the air around us is made of...
carbon, oxygen, and mercury
carbon, oxygen, and hydrogen
carbon, oxygen, and helium
water vapor, oxygen, and nitrogen
4
How do you calculate Density?
mass X volume
mass / volume
mass X 3
volume / mass
5
Which is the correct sequence of organization in a multi-cellular organism?
Cell→ tissue → organ → organ system
Tissue→ cell → organ → organ system
Organ system → cell → tissue → organ
Cell→ tissue → organ system → organ
6
Where does all weather happen?
Stratosphere
Troposphere
Mesosphere
7
Nuclear fusion...
can be duplicated in labs for a very short time
all of the above
is when hydrogen protons join together
happens in the core of the sun
8
What holds the solar system in place?
weight
mass
pressure
gravity
9
Where does respiration occur in the cell?
nucleus
mitochondria
cell wall
vacuoles
10
On the periodic table, the atomic number (top) represents the number of...
red and yellow answers are correct
protons
neutrons
electrons in a BALANCED atom
11
When heat energy is added or taken away from a system, the temperature
does not always change.
always rises.
always changes.
does not always get measured.
12
Which of the following is the most viscous?
Warm honey
Dish Soap
Cool honey
Water
13
When metals lose electrons they form
ionic bonds with nonmetals.
magnets
covalent bonds with nonmetals.
salts
14
A reaction that absorbs energy is...
respiration
endometrious
exothermic
endothermic
15
Which state of matter has the most energy?
liquid
solid
it depends
gas
16
Which part of the plant cell processes sunlight?
chlorines
chlorolinks
churros
chloroplasts
17
Which of the following is not a homogenous mixture?
Pizza
Cheerios
Vegetable Oil
Ketchup
18
What does solubility mean?
How salty something is.
If a problem can be solved or not.
How thick something is.
How easily two substances can be mixed together.
19
The 2 most abundant gases in the atmosphere are
oxygen and hydrogen
nitrogen and oxygen
nitrogen and carbon dioxide
oxygen and carbon dioxide
20
As wavelength increases, frequency
decreases
stays the same
multiplies
increases
21
Which block(s) will yield a homozygous dominant phenotype?
Bottom right
Top left
Bottom left and top right
All except bottom right
22
Which method would be leasthelpful in determining the relatedness of two types of animals?
Comparingthe DNA of the two animals
Comparingthe development patterns of the two animals
Comparingthe physical characteristics of the two animals
Comparingthe diets of the two animals
23
What are the characteristics of a liquid?
particles move around very quickly to fill container
loosely packed, low compressibility, varying viscosity
water
dense, incompressible
24
The work put into a machine is always
exactly the same as the work output.
greater than the work output.
less than the work output.
25
What are the four states of matter?
solid, gas, liquid, plasma
solid, gas, liquid, magma
silver, gold, bronze, and platinum
bacon, lettuce, cheese, and tomato
26
Earth's rotation makes winds seem to curve. This is called the
maritime tropical air mass
occluded front
continental polar air mass
Coriolis effect
27
The proper order of the classification system is...
Species, Phylum, Order, Family, Class, Genus, Kingdom
Kingdom, Class, Phylum, Order, Genius, Family, Species
head and shoulders, knees and toes, knees and toes
Kingdom, Phylum, Class, Order, Family, Genus, Species
28
Which choice gives the correct percentage for the "B" trait to be passed to the offspring?
50%
75%
100%
25%
29
Which type of bacterium requires oxygen to live?
Endospores
Archaea
Aerobic
Anaerobic
30
If a chem reaction begins w/ 6 atoms of carbon, how many carbon atoms will be in the products?
3
none
6
it depends if the reaction is exothermic or not.
31
DNA stores genetic information. What type of molecule is DNA?
Nucleic Acid
Protein
Carbohydrate
Lipic
32
Crystalline solids...
all of the above
hold their shape
are found in nature
have a uniform internal structure
33
During a change of state, what happens to the temperature of the substance?
it depends if you are adding or taking away thermal energy
nothing, it remains constant until the change is complete
it gets lower
it gets higher
34
Cells can die or become damaged. What cell process replaces dead or damaged cells?
Cells take in new cells through endocytosis.
Cells divide to make new cells.
Cells multiply by cellularrespiration.
Cells grow larger to make up forthe lost cells.
35
The scientific method is...
a way to test your hypothesis
a tool scientists use to understand the world
all of the above
a way to troubleshoot and problem solve
36
How do you change a solid to a liquid?
Melting
Ionization
Sublimation
Freezing
37
Which are layers of the Earth?
all of the above
crust
mantle
core
38
The chemical formula for glucose is...
C6H12O6
C12H6O6
CHO
sugar
39
Electromagnets
can be made from all types of metals.
only work when electric current is present.
all of the above
are temporary.
40
What are individual molecules of sunlight called?
proteins
photons
phasers
protons
41
Which shows one example of a physical change & one example of a chemical change?
freezing water and burning coal
dissolving powder and shredding paper
rusting iron and baking a cake
boiling water and melting wax
42
The total mass of the product would be less than the wt of the reactants after a chem reaction?
Gases were released to the atmosphere.
Precipitates were created in the new solution.
Atoms involved in the reaction lost mass.
A physical change occurred.
43
If "R" = red flower and "r" = white flower, then what percentage will be white?
75%
50%
100%
25%
44
Nuclear fission is
producing a great deal of energy.
splitting atoms' nuclei.
how we produce energy in nuclear power plants.
all of the above
45
Which organism has a cell wall?
frog
snake
cactus
tiger
46
Where is the largest amount of energy found on this food web? (Not including the sun.)
bird
arthropod
(animal) mole
grass
47
Rust on a bike is considered what?
chemical property
chemical change
physical change
physical property
48
What is present in all living things?
oxygen
methane
carbon
eyes
49
The 7 steps of the Scientific Method in order are...
Dunkin Donuts taste really bad, eaten cold
prob, investigate, hypoth, exp., data, conclusion, repeat
King Henry died by drinking chocolate milk
people in here eat different colored rocks
50
Organisms can be producers, consumers, ordecomposers. Which of these organisms is a decomposer?
mushroom
bee
turtle
flower
51
What is created when a base is added to an acid?
nothing
salt
an explosion
a stronger acid
52
A series circuit
is where charge has to flow through all loads.
all of the above
has more than one path for current to flow.
is what we use in homes and businesses.
53
Which of these marine organisms is a producer in a marine ecosystem?
algae
gull
fish
worm
54
What piece of lab equipment would we use to measure volume?
graduated cylinder
spring scale
triple beam
erlenmeyer flask
55
The science book shows a diagram of a compound made of C,H & O. Why is it a compound?
It has only one kind of atom.
It has different kinds of atoms.
It has more than one atom.
It has only one atom.
56
Of the 75% of our planet that is water... how much of that is fresh water? (AND NOT FROZEN!)
8%
3%
1%
50%
57
What is found inside of the nucleus of an atom?
protons and neutrons
electrons and neutrons
peanut butter
protons and electrons
58
What type of relationship involves two organisms that both benefit?
Parasitism
Predator-Prey
Commensalism
Mutualism
59
If I got 13 out of 15 on my assignment, how do I calculate my grade?
I divide the number wrong by the number right.
I divide the total number of points by the number right.
I divide the number right by the total number of points.
I eat hot cheetos and hope for the best.
60
What are the two types of solids?
hard and soft
hollow and half full
crystalline and amorphous
crystalline and amphibious
61
Light and heat...
increase the speed of a chemical reaction
are released in a exothermic reaction
all of the above
are absorbed in an endothermic reaction
62
Which state of matter is the LEAST dense?
Solid
Liquid
Gas
all of the above
63
Which pair of elements has the
most
similar properties?
K and He
N and P
I and Ca
Li and B
64
What is the chemical formula for salt, aka sodium chloride?
NaCl
SaCl
ChCl
NCl
65
Which statement
best
explains how periods on the periodic table are organized?
increasing number of neutrons from left to right
decreasing atomic mass from left to right
increasing atomic number from left to right
decreasing number of electrons from left to right
66
A neap tide occurs when the moon
and the sun are at 90° angles with earth.
is in line with the sun and the earth.
passes between the earth and the sun.
Who cares...just don't eat Tide pods!
67
When you add water to dry ice, what do you observe?
Sublimation
Melting
Deposition
Freezing
68
Ice is put in a heated pan.What will
most likely
happen to molecules in the ice as it's heated?
nothing until the ice turns into water
molecules will move faster
molecules will move slower
molecules will condense in the air
69
Who is the father of the Periodic Table?
Dimitri Mendeleev
Leonardo Divinci
Albert Einstein
Mary Currie
70
How does heat flow?
hot to cold
it does not change
everything reaches equilibrium
cold to hot
71
Absolute zero
can only be reached in laboratories.
is a theoretical point that can only be reached in space.
unattainable due to conduction, convection, and radiation.
72
Mistletoe is a plant that grows on other plants to draw out water & nutrient.What is it's role?
parasite
host
predator
prey
73
Fossil fuels include...
Coal and petroleum, but not solar
Petroleum
Solar
Coal
74
Genes are found on
water molecules
alleles
chromosomes
endoplasmic reticulum
75
Which would
least likely
have an impact on global climate changes?
producing energy using hydroelectric plants
producing energy using coal
producing energy using oil
producing energy using natural gas
76
Some poisonous gases have no smell. What gas is added to help detect a leak?
Selenium
Carbon dioxide
Methane
Sulfur
77
A machine makes
less work.
more work
work easier.
work harder.
78
Which part of the visible spectrum has the shortest wavelength?
red
violet
radiowaves
gamma rays
79
Why are plants green?
they are not green
green is the color of life
Chlorophyll absorbs red and blue light, so it reflects green
plant cells have no nucleus
80
Which water cycle is in the appropriate order?
perspiration, precipitation, respiration, collection
condensation, collection, precipitation, evaporation
evaporation, precipitation, condensation, collection
precipitation, collection, evaporation, condensation
81
Which is the
best
example of a pure substance?
gold
air
peanuts
milk
82
Radiation is...
responsible for some cancers
toxic to living organisms
all of the above
the decay of isotopes
83
What is the smallest unit of matter?
the atom
the adam
the milimeter
the hexagon
84
Glass and plastics are examples of...
aqueous solids
incongruous solids
amorphous solids
crystalline solids
85
To get the number of neutrons in an atom...
subtract the atomic number (top) from the mass (bottom)
find the element on the periodic table
all of the above are the steps to find the neutrons
round the mass number (bottom) to the nearest whole number
86
A heterogenous mixture...
is the same throughout.
looks like peanut butter.
is bad to the bone!
contains two or more compounds mixed together.
87
Name the three subatomic particles.
photons, plastids, and negatrons
proteins, lipids, and chloroplasts
me, myself, and I
protons, neutrons, and electrons
88
Which of the following are recyclable?
water bottles, milk cartons, and electronics
dirty food wrappers, paper planes, and yard waste
concrete, aluminum, and some glass
food, people, and air.
89
Protons...
are found in the atomic number
have a positive charge
all of the above
are found inside the nucleus
90
How did Carolus Linnaeus contribute to modern classification systems?
He developed two-part scientific names.
He used chemical characteristics to classify organisms
He identified the three domains of life.
He standardized common names of organisms
91
Nuclear energy
all of the above
is nonrenewable.
yields nuclear waste.
is relatively cheap.
92
The chemical formula for water is...
O2H
NaCl
H2X
H2O
93
Of the following pairs, which two substances are the most soluble?
Koolaid mix and water.
Milk and soap.
Honey and butter.
Oil and water.
94
Electrons...
have a negative charge
are larger than the nucleus
determine the atomic mass
are found inside the atom
95
The most reactive metals are called
the alkaline earth metals
the transition metals
the halogens
the alkali metals
96
Newtons first law is
when an object in motion stays in motion
is the reason we where seatbelts
all of the above
inertia
97
The law of conservation of mass and energy states that mass and energy can not be .....?
created or destroyed
left behind
transfer forms
moved or emptied
98
An isotope of an atom has
equal numbers of protons and neutrons.
the same number of neutrons, but different protons.
electrons that were transferred.
the same number of protons , but different neutrons.
99
A reaction that releases energy is...
hand warmers (when activated)
any explosion
exothermic
all of the above
100
Sound is
a longitudinal wave.
a transverse wave
an electromagnetic wave
a mechanical wave.
101
If you break a magnet in half, then you will have
a north pole and a seperate south pole.
a useless piece of metal.
2 smaller magnets, each with north and south poles.
something that has never been done before.
102
Forms of energy include
light, heat, aerobic
all of the above
chemical, electrical, anaerobic
mechanical, nuclear, thermal
