Transcript except

If sand and sugar are mixed, how
would it taste?
A.
B.
C.
D.
Sweet
Sour
Salty
Bitter
1
Amber has dropped a box of her mother’s
antique sewing needles in a haystack. Some
of the needles are made of wood, some of iron
and others of bone. If she runs a magnet over
the haystack, which needles will she be able
to find?
A. Wooden needles
B. Iron needles
C. Bone needles
D. None of the needles
2
Jaime dropped a glass bottle. It shattered into
many pieces when it hit the ground. What
caused the glass to break?
A. The glass vibrates as it falls to the ground and
the vibration causes it to break.
B. The force of gravity caused the chemical
change that made the glass weak.
C. The glass lost heat and became fragile when
it fell through the air.
D. The ground pushed back on the glass with
3
enough force to break the glass.
Which of these is a nonrenewable
resources?
A. Coal
B. Water
C. Trees
D. Air
4
It is a cold day outside. Your mom is boiling
water on a stove next to a window. You notice
water droplets on the inside of the window.
How did the water get there?
A. The water radiated through the air to the
window.
B. Water vapor condensed on the glass.
C. Water vapor evaporated on the glass.
D. The glass conducted the water from the
outside.
5
What changes when the mass of an
object increases while volume stays
the same?
A. Color
B. Height
C. Density
D. Length
6
Factors that affect the outcome of
an experiment are ____________.
A. Hypothesis
B. Conclusion
C. Attributes
D. Variables
7
What word best describes the type
of material that best attracts iron?
A. Metallic
B. Magnetic
C. Plastic
D. Wooden
8
Blowing on a
trumpet will make
a sound because
the –
A.Trumpet heats the air
B. Air in the trumpet vibrates
C. Trumpet cools the air
D.Trumpet cause air to refract
9
A push or pull on an object is called
a __________________.
A. Friction
B. Force
C. Gravity
D. Magnetism
10
A knife or a chisel is an example of
what type of simple machine?
A.
B.
C.
D.
Lever
Inclined plane
Screw
Wheel and axle
11
The discovery that electrical energy
can be converted to sound energy
allowed people to haveA.
B.
C.
D.
12
Light hitting a mirror isA.
B.
C.
D.
refracted
absorbed
transmitted
reflected
13
Which of the following would not
be part of an aquarium filter
system?
A.
B.
C.
D.
food
tubing
water
filter
14
Which of the following methods
would separate the sugar from the
sand?
A. Pour the mixture through a sieve.
B. Melt the mixture in a pot.
C. Pour the mixture into water to
dissolve the sugar.
D. They cannot be separated.
15
Which object works by changing
chemical energy to mechanical
energy?
A.
B.
C.
D.
16
A bicycle contains many different
simple machines. Which of the
following is the pedal assembly?
A.
B.
C.
D.
wheel and axle
screw
lever
pulley
17
Which of the following sentences describes a
chemical change instead of a physical one?
A. A copper bracelet turns green when it is worn.
B. A copper bracelet gets twisted into a new shape.
C. A copper bracelet gets melted into liquid copper.
D. A copper bracelet is painted red.
18
How long does it take the Earth to
make one complete revolution?
A. One hour
B. One day
C. One month
D. One year
19
Which of the following is probably
NOT an inherited characteristic?
A. Tongue rolling
B. Hiccups
C. Ear lobes
D. Folded hands
20
How long does it take the Earth to
make one complete rotation?
A. One hour
B. One day
C. One month
D. One year
21
Objects That
Conduct Heat
Objects That Do
Not Conduct Heat
Silver spoon
Plastic fork
Copper pan
Glass block
Iron nail
Wooden handle
Gold ring
???
A.Electrical Wire
C. Eraser
B. Water
D. Horseshoe magnet
22
What are behaviors that living things
are born with?
A.
Learned behaviors
B.
Instinctive behaviors
C.
Adaptive behaviors
D.
Animal behaviors
23
What is the source of all energy?
A.
B.
C.
D.
Batteries
Electricity
Sun
Force
24
A slanted surface used to raise an
object is _______________.
A.
B.
C.
D.
Force
Screw
Inclined plane
Wheel and axle
25
Which of the following is an
inexhaustible resources?
A. Natural gas
B. Air
C. Trees
D. Petroleum
26
A rock is taken from the surface of the
moon and brought to Earth. What is
different about this rock on Earth?
1.
A. Its mass
B. Its shape
C. Its length
D. Its weight
27
What simple machine makes up the
base of a light bulb?
A.Inclined plane
B. Wheel and axle
C. Screw
D.Lever
28
Physical properties can be observed
________________.
A.
B.
C.
D.
without changing the object
anytime
only in direct sunlight
only with adult supervision
29
Which of the pictures above shows
light being reflected?
30
Tree frogs have sticky pads on their
feet.
These pads most likely help the frog –
A. swim after food
B. hold onto leaves
C. move across pavement
D. defend itself against predators
31
Which of the following should be a
part of every scientific
investigation?
A. Using a balance to measure mass
B. Using a microscope
C. Entering data into a computer
database
D. Following safety rules
32
Which is an example of physical
change?
A.
B.
C.
D.
Metal rusting
Paper burning
Silver tarnishing
Water boiling
33
Which of these would be the best way to find
whether a softball will roll down a hill faster than a
basketball?
A. Determining which of the balls has the
greater mass
B. Observing the balls rolling down the same
section of a hill at the same time
C. Throwing the balls into the air at the same
time to see which goes higher
D. Dropping the balls from the same height
and observing which hits the ground first
34
Which of the following could be used
as a hypothesis for a scientific
investigation?
A. Roses are more beautiful than
sunflowers.
B. Fertilizer makes sunflowers grow
taller.
C. There are many poems about roses.
D. It’s more fun to grow sunflowers
35
than to grow roses.
How could you best show information
about the locations of different kinds of
trees in your neighborhood?
1.
A.
B.
C.
D.
Bar graph
Spreadsheet
Map
Line graph
36
1.
What is true about all scientific models?
A. Models are larger than the object
being studied.
B. Models are smaller than the object
being studied.
C. Models represent an object being
studied.
D.Models are inexpensive to build.
37
A graduated cylinder is used to
measure
A. liquid volume
B. length
C. weight
D. distance
1.
38
Volume
Boiling
Point
Student A
1 liter
100º C
Student B
2 liters
??
What is the boiling point for the water heated by
Student B?
A. 0º C
B. 50º C
C. 100 º C
D. 200 º C
39
What term describes the change
from a gas to a liquid?
A. Evaporation
B. Condensation
C. Melting
D. Precipitation
40
The primary function of a plant’s leaves
is to
A. Produce nitrogen
B. Shade the flowers
C. Make food
D Produce silicon
41
Here are steps for an experiment:
1.What kind of soil is best for growing plants?
2. I think clay is best for growing plants.
3.Water and observe all three plants for four
weeks.
Which step of scientific inquiry listed below
is missing?
a. Select a problem.
b. Conduct an investigation
c. Make a hypothesis
d. Select materials
42
A hobbyist designed a model radio-controlled airplane to
perform complicated aerobatic stunts. He asked a question
and experimented to find the best design for his stunt
plane. His question and experiment provided a valid
scientific result. Which question did the hobbyist ask?
A. How do the length and wingspan of a model
airplane affect its ability to perform aerobatic stunts?
B. How does the wingspan of a model airplane
affect its ability to perform aerobatic stunts?
C. How do engine power and the length of a model
airplane affect its ability to perform aerobatic stunts?
D.How do the wingspan and engine power of a
model airplane affect its ability to perform aerobatic
43
stunts?
There are ____ high tides and ____
low tides per day.
A.
B.
C.
D.
One
Two
Three
Four
44
Which of the diagrams correctly show the
relationship between the Earth, Sun and
Moon?
45
Your class wants to measure the depth,
width, and speed of a stream flowing
behind your school. What equipment will
you need to find this information?
A. Tape measure, ping-pong ball,
stopwatch
B. Yardstick, stopwatch
C. Tape measure, ping-pong ball
D. Ping-pong ball, stopwatch
1.
46
What two forms of energy does a flame
from a burning candle release?
1.
A. Electrical and mechanical
B. Chemical and electrical
C. Light and heat
D. Heat and nuclear
47
A company collects cans for recycling.
Some cans are made of aluminum and some
are made of iron. Which of the following is
the best way to separate the two types of
cans?
1.
A. Heat the iron cans until they melt.
B. Use scissors to cut the can.
C. Use a magnet to pick up the iron cans.
D. Float the cans in water.
48
Which of the following would be safe
to do during a lab activity?
1.
A. Running in the classroom.
B. Leaving a water spill on the floor.
C. Touching hot surfaces.
D.
Following lab rules
49
50
Among inherited traits, a weaker
trait is sometimes referred to as a
__________ trait.
A. Dominant
B. Progressive
C. Recessive
D. Minor
51
Which of the following is an example
of an extinct species?
A. Alligators
B. Triceratops
C. Dragonfly
D. Grey Squirrel
52
Organisms at the top of the food chain
are predators and _______________.
A. Producers
B. Herbivores
C. Carnivores
D. Decomposers
53
Plants take in _____________ and release
_________ into the air.
A. carbon dioxide / oxygen
B. nitrogen / follicles
C. oxygen/ sugar
D. oxygen / carbon dioxide
54
A biome is ____________________.
A. A large scale ecosystem
B. How moss reproduces
C. A collective set of data
D. An extinct bird species of Nova
Scotia
55
Organisms at the bottom of an energy
pyramid are always ______________
A. Plant eaters
B. Producers
C. Hunters
D. Scavengers
56
From the chart on
the right, scientists
predict that over the
next ten years the
population of Brazil
will most likely A.Show a decrease
B. Remain the same
C. Triple in size
D.Continue to increase steadily
57
Organisms listed as endangered
have ________________.
A. Very small populations
B. Very large populations
C. Habitats in the cities
D. Habitats in the jungles
58
Many leaves change color in the fall
because
A. They need replacement.
B. They stop making chlorophyll.
C. There is too much sunlight.
D. The trees are dying.
59
The tool used to measure volume is
______________.
A. Graduated cylinder
B. Triple beam balance
C. Hot plate
D. freezer
60
Because paper will burn, it has
the property of ______________.
A. Combustibility
B. Condensation
C. Evaporation
D. Sublimination
61
Nonvascular plants such as moss do
not have flowers to reproduce. Instead
they have
A. Pine cones
B. Spores
C. Fruit
D. Roots
62
The process by which plants make
food is called ___________________
A. Photography
B. Chlorophyll
C. Photosynthesis
D. Producers
63
Which human activity does NOT
increase the amount of carbon dioxide
in the air?
A. Cutting down trees
B. Heating buildings with coal
C. Driving cars
D. Planting corn
64
What would happen to a green plant left
in the dark for a long time?
A. It would change gradually to a
pale orange.
B. It will die and turn brown.
C. It will enter the state of ketosis.
D. There will be no change.
65
The process by which plants and
animals put water back into the
environment is called _____________.
A. Precipitation
B. Transpiration
C. Evaporation
D. Condensation
66
Nonliving things that affect the
organisms living in an ecosystem
include weather, landforms, and
_______________.
A. Habitat
B. Niche
C. Soil
D. Population
67
Behavior that an organism inherits is
called __________________.
A. Learned behavior
B. Concrete thinking
C. Instinct
D. Cytosis
68
Which of the following is NOT a
survival instinct for birds?
A. Building nests
B. Migrating
C. Eating insects
D. Learning to talk
69
What is the most significant difference
between a Rain Forest and a Desert?
A. The types of insects
B. The number of birds
C. The color of the plants
D. The amount of rainfall each
receives
70
Gradual change in an ecosystem –
sometimes occurring over thousands
of years is called ______________.
A. Succession
B. Forest fire
C. Tundra
D. Ecosystem
71
Which of the circuits will light the bulb
when the switch is closed?
72
The process of breaking rock into
soil, sand and other tiny pieces called
sediment is called ______________.
A. Erosion
B. Precipitation
C. Weathering
D. Sedimentary
73
Most high mountains form when
continental plates _______________.
A. Collide
B. Submerge
C. Pull apart
D. Are stabilized
74
Many strong earthquakes are caused
by _______________________.
A. Plates sliding past each other
B. Lava flowing down the side
of a volcano
C. Plates spreading apart
D. Hot magma
75
The remains of past life found in
sedimentary rock are called ______.
A. Rocks
B. Weathering
C. Fossils
D. Deposition
76
Scientists who study fossils are called
___________________.
A. Meteorologists
B. Paleontologists
C. Sociologist
D. Jurassicologists
77
The center of the Earth is called the
____________________.
A. Mantle
B. Convergence
C. Core
D. Epicenter
78
The process of moving sediment from one
place to another is _____________.
A. Deposition
B. Erosion
C. Weathering
D. Glacier
79
The process of liquid water changing
to water vapor is called __________.
A. Evaporation
B. Freezing point
C. Condensation
D. Precipitation
80
Florida has a warmer climate than
Maine because Florida ________.
A. Is closer to the South Pole
B. Is closer to the equator
C. Is nearer to the Atlantic Ocean
D. Receives more precipitation
81
Most ocean waves are caused by
_____________________.
A. Wind
B. Magnetic poles
C. Sun
D. Lunar convection
82
A stream of water flowing like a
river through the ocean is called a
______________.
A. Trickle
B. Wave
C. Current
D. Tsunami
83
Tides are caused by the __________
of the moon and sun on Earth’s
oceans.
A. Ocean currents
B. Gravitational pull
C. Force of friction
D. Force of waves
84
Deep ocean currents are caused by:
A. Wind
B. Differences in water temperature
C. Salinity
D. Subduction
85
Conservation of natural resources could
include _____________.
A. The use of more renewable
sources of energy
B. Cutting down on the use of fossil
fuels
C. replacing soil and planting trees
D. All of the above
86
The source of most energy on earth is
____________________.
A. Wind
B. Gas
C. Sun
D. water
87
The amount of matter in an object is
called its
A. Weight
B. Volume
C. Density
D. Mass
88
All of these are physical properties
except _______________.
A. Mass
B. Volume
C. Density
D. Time
89
Which of the following is NOT a
physical property of an iron nail?
A. It rusts
B. It is shiny
C. It can bend
D. It is a solid
90
A liquid is usually __________ a gas.
A. Denser
B. Less dense
C. The same density as
D. Lighter than
91
The changes in the shape or
characteristics of an organism’s body as
it grows and matures is called ______.
A. Mitosis
B. Metamorphosis
C. Photosynthesis
D. Meiosis
92
When nitrogen is fixed, it is ________.
A. Dissolved in water
B. Removed from lightning
C. Changed into a usable form
D. Made into a protein
93
Which biome boasts the greatest
variety of plants and animals?
A. Tropical rain forest
B. Desert
C. Taiga
D. Deciduous forest
94
Evergreen, needle-leaved trees thrive
well in the ________________.
A. Tropical rain forest
B. Tundra
C. Desert
D. Taiga
95
The process of moving sediment
from one place to another is
A. Erosion
B. Condensation
C. Weathering
D. Wind
96
Which part of the earth is solid
rock?
A. Mantle
B. Core
C. Crust
D. Magma
97
Magma that reaches the Earth’s
surface through an opening in the
Earth’s crust is called ___________.
A. Mantle
B. Lava
C. Volcano
D. Flow
98
Soil is an example of a:
A. Renewable resource
B. Nonrenewable resource
C. Inexhaustible resource
D. Man made resource
99
Fossil fuels are important to us because
________________.
A. They produce heat when burned
B. They are reusable resources
C. They are the only fuels used to
make electricity
D. They are renewable resources.
100
The process by which water vapor
turns into liquid water drops is known
as _________________.
A. Condensation
B. Evaporation
C. Precipitation
D. Water cycle
101
As air warms, ____________
A. Air pressure increases
B. Air pressure decreases
C. Temperature decreases
D. Humidity changes
102
Which of the items listed below is a
main function of a plant’s roots?
A. Making seeds
B. Producing pollen
C. Absorbing nutrients
D. Storing oxygen
103
Animals cannot survive in a clear, closed
system without plants. Plants can survive in
a clear, closed system without animals. Why
can plants survive in a closed system but
not animals?
A. Plants and animals both need to grow
freely.
B. Plants can make their own food, but
animals cannot.
C. Animals take in and give off water, but
plants only take in water.
D. Plants produce oxygen, but animals need
104
carbon dioxide to survive.
Foxes learn some of their
behaviors as they move around in
their environment. Which behavior
is most likely learned?
A.
Eating mice
B. Running
C.
Sleeping
D.
Avoiding thorns
105
Plants take in carbon dioxide gas and use it
to make sugars. Through this process, they
release oxygen, which animals need. Which
of the following activities could increase the
amount of oxygen released into the air?
A. Replacing every tree that is cut with
two new trees.
B. Clearing plants to build parking lots,
homes, and shopping centers.
C. Supporting population growth to planteating animals.
D. Setting stronger air-pollution
standards.
106
Which group of organisms
contains only consumers?
A. Wheat, snakes, mice
B. Acorns, squirrels, owls
C. Grass, rabbits, foxes
D.
Rats, chipmunks, owls
107
Owls eat mice and other small
animals to survive. Owls have large
eyes to help them hunt for their next
meal in the dim light of night. Which
of the owl’s senses is most useful as
it hunts?
A.
Taste
B. Touch
C.
Smell
D. Sight
108
Behaviors or body parts that are
designed to help animals survive in an
ecosystem are:
A. Life cycle
B. Symbiosis
C. Adaptations
D. extinction
109
When cows graze on a field they
can often be seen eating grass.
What basic need do the cows
meet by eating grass?
A. Water
B. Space
C. Food
D. Oxygen
110
Decomposers are helpful to an
ecosystem because they –
A. Return nutrients to the soil
B. Eat producers
C. Make food with photosynthesis
D. Are food for consumers
111
In a rainforest, herbivores
would most likely compete
forA. oxygen
B. sunlight
C. water
D. food
112
Which information can be found in
a food chain?
A.
The habitat needs of predators.
B. How climate conditions affect
organisms.
C. The relationship between plants
and sunlight.
D. The relationship between prey
and predatory animals.
113
Which of the characteristics
below is a learned trait?
A. eye color
B. hitchhiker’s thumb
C. hair color
D. reading
114
According to this food web, which type of
animal will die out if all of the mice and voles
are killed?
A. Snakes
C. Hawks
B. Rabbits
D. Owls
115
What is the hard outer covering that
protects an animal’s body and gives it
support?
A.
Skeleton
B.
Exoskeleton
C.
Vertebra
D.
Adaptation
116
Everything, both living and
nonliving, that surrounds and affects
an animal is its ____________.
A.
group
B.
adaptation
C.
kingdom
D.
environment
117
The law which says that matter is
neither produced or destroyed in a
physical or chemical reaction is the
law of _______________.
A. Conservation of matter
B. Metallurgy
C. Chemical properties
D. Physical changes
118
The process an insect undergoes
when changing from larva to adult
is known as
A.
Respiration
B.
Photosynthesis
C.
Metamorphosis
D.
Reproduction
119
Which of these are found only in
vertebrates?
A.
Backbones
B.
Shells
C.
Fur
D.
blood
120
A strip of land is cleared of trees and
bushes to make space for a power line.
What impact might this have on birds
living in the area?
A. The natural enemies of birds will be
eliminated.
B. There will be less food and shelter.
C. Weather conditions may change.
D. The rate of erosion will decrease.
121
A bird that dies benefits a tree by
providing it with –
A. oxygen
B. carbohydrates
C. water
D. minerals
122
A person’s eye color is an example of a:
A. Learned behavior
B. Inherited trait
C. Dominate trait
D. Adaptation
123
Tides occur on the Texas coast:
A. Twice daily
B. Twice monthly
C. Once a day
D. Every 48 hours
124
All of the following are examples of
producers except:
A. Humans
B. Corn plant
C. Wheat
D. Plants
125
A pigment called _____________
helps plants use light energy to
produce sugars or food.
A. Chlorophyll
B. Leaves
C. Carbon dioxide
D. Oxygen
126
A statement of what you think the outcome
of an experiment will be:
A. Variable
B. Hypothesis
C. Question
D. Conclusion
127
All of the following are examples of states
of matter except:
A. Solid
B. Liquid
C. Gas
D. Chemical change
128
A rusted nail is an example of a:
A. Chemical change
B. Light energy
C. Physical change
D. Iron filing
129
Water droplets on the outside of a coke can
is an example of:
A. Precipitation
B. Condensation
C. Evaporation
D. Ecosystem
130
The boiling point of water is:
A. 100C
B. 32C
C. 212C
D. 50 C
131
The freezing point of water is:
A. 32C
B. 0C
C. 5C
D. 100C
132
The Earth rotates on its:
A. Axis
B. Equator
C. Sphere
D. Northern hemisphere
133
A mixture where one substance is dispersed
throughout another substance but is large
enough to see.
A. Solution
B. Mixture
C. Condensation
D. evaporation
134
The process by which sediment is
broken down is:
A. weathering
B. erosion
C. deposition
D. eruption
135
The bending of light rays when they pass
from one substance into a different
substance is:
A. Reflection
B. Chemical energy
C. Refraction
D. Thermal energy
136
The turning of the earth on its axis is:
A. Reflection
B. Refraction
C. Revolution
D. Rotation
137
When light rays bounce off a substance:
A. Refraction
B. Reflection
C. Electricity
D. Thermal energy
138
Stored energy that can be released later is:
A. Potential energy
B. Kinetic energy
C. Mechanical energy
D. Solar energy
139
Which of the following common
foods is not an example of a storage
root?
A. Beet
B. Potato
C. Carrot
D. Spinach
140
Which of the following is not a
method by which pollen is
transported?
A. Wind
B. Animals
C. Magma
D. Electric Currents
141
Which of the following is a list of
products that are made from trees?
A. Paper and cotton
B. Furniture and musical
instruments
C. Homes and candles
D. Some medicines and
computers
142
Most leaves are thin and flat because
____________.
A. They look better that way.
B. This helps them make food.
C. They protect the plant from
insects and bugs.
D. They absorb water from the air.
143
In order to germinate, seeds have to
absorb _____________.
A. Carbon dioxide
B. Water
C. Nectar
D. Starch
144
About how much of all the fresh water
on Earth can be used by people and
other land organisms?
A. Less than 1%
B. More than 10%
C. More than 97%
D. 100%
145
What would you find at the equator?
A. Tundra
B. Deciduous forest
C. Desert
D. Tropical rain forest
146
The three R’s are __________.
A. Refuse, reduce, and recycle
B. Replace, recycle and reuse
C. Reduce, reuse, and recycle
D. Reward, refuse, and reduce
147
A type of mass movement is a
___________.
A. Glacier
B. Delta
C. Mudslide
D. Terminal moraine
148
What are the Earth’s plates?
A. Portions of intrusive core
material
B. New balsa
C. Magnetic interior poles of
alignment
D. Rigid blocks of crust and upper
mantle.
149
The strength of an earthquake is
measured on the ______________
scale.
A. Richter
B. Moh’s
C. Bathroom
D. Shaking
150
The earth’s plates interact in three
ways colliding, pulling apart and
____________________.
A. Bumping into each other
B. Sliding past each other
C. Melting together
D. Freezing
151
Where does magma come from?
A. The floor of the ocean
B. Mountains
C. Earth’s mantle
D. Earth’s core
152
It is believed that the Earth’s land was
once joined in a “supercontinent”
called ________________.
A. Europe
B. Pangea
C. Asia
D. Poland
153
How do we know the Earth’s life
was different in the past?
A. Glacier evidence
B. Mudslide evidence
C. Crust evidence
D. Fossil evidence
154
The surface of the sun is known as
the _________________.
A. Photosphere
B. Convection zone
C. Radiation zone
D. Corona
155
The process by which a liquid
becomes a gas without boiling is
called ________________.
A. Sublimination
B. Precipitation
C. Melting
D. Evaporation
156