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WorksheetsSTAAR Review
Total questions: 78
Worksheet time: 59mins
Name
Class
Date
1.
Organisms who receive their energy by consuming other organisms.
a)
Chloroplast
b)
Heterotroph
c)
Autotroph
d)
Phototropism
2.
The part of a cell that contains the chromosomes (wound up DNA) in eukaryotic cells.
a)
Chloroplasts
b)
Cell Wall
c)
Nucleus
d)
Homeostasis
3.
The genetic code for all of your traits.
a)
Nucleus
b)
DNA
c)
Chloroplast
d)
Recessive gene
4.
The organelle inside a plant cell that converts sunlight into energy.
a)
Chloroplast
b)
Photosynthesis
c)
Parasite
d)
Cell Wall
5.
The part of a plant cell that is rigid & permeable.
a)
Chloroplast
b)
Turgor Pressure
c)
Cell Wall
d)
Phototropism
6.
The term used to define a cell that has a nucleus containing DNA.
a)
Prokaryote
b)
Eukaryote
c)
Autotroph
d)
Homeostasis
7.
The building up of an ecosystem after lava or glaciers have left nothing but rock.
a)
Secondary Succession
b)
Primary Succession
c)
Natural Selection
d)
Adaptation
8.
Organisms who receive energy from dead or decaying matter.
a)
Prokaryotic
b)
Omnivore
c)
Heterotrophic
d)
Decomposers
9.
Rebuilding an ecosystem after a catastrophic event has occurred and soil is present.
a)
Primary Succession
b)
Secondary Succession
c)
Natural Selection
d)
Adaptations
10.
The trait that is always expressed. It will hide or mask the other trait.
a)
Recessive
b)
Dominant
c)
Natural Selection
d)
Homeostasis
11.
Behavior patterns, or internal and external structures which allow an organism to survive and reproduce in their environment successfully.
a)
Adaptations
b)
Homeostasis
c)
Recessive traits
d)
Natural Selection
12.
This type of organism feeds on a host organism, causing harm to the host.
a)
Decomposer
b)
Parasite
c)
Heterotroph
d)
Carnivore
13.
The process where plants use the light from the sun to convert carbon dioxide and water into glucose.
a)
Phototropism
b)
Chloroplast
c)
Photosynthesis
d)
Prokaryotic
14.
When two substances are mixed, they might form a new substance. Which of the following would indicate that a new substance has been formed?
a)
The temperature of the mixture decreases
b)
The volume of the mixture increases
c)
The mass of the mixture increases
d)
One of the substances dissolves
15.
All of the following are evidence of a chemical change EXCEPT – (6.5D)
a)
Change in state of matter.
b)
Formation of a gas.
c)
Color change.
d)
Precipitate forms.
16.
The table shows the properties of three classifications of elements. What are the best headings for columns A, B, and C?
a)
Metals, Nonmetals, Metalloids
b)
Nonmetals, Metalloids, Metals
c)
Metals, Metalloids, Nonmetals
d)
Nonmetals, Metals, Metalloids
17.
All of these properties describe metals EXCEPT?
a)
Malleable
b)
Conductor
c)
Brittle
d)
Shiny
18.
The table shows the physical properties of four elements. Which element is classified as a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
19.
The table provided identifies a substance based on its density. A sample of an unknown substance has a mass of 89 grams and a volume of 10 cm3. Based on its density, it could be which of the following substances?
a)
Aluminum
b)
Brass
c)
Copper
d)
Gold
20.
All living things require oxygen to survive. Where on the periodic table above would you find gases like oxygen?
a)
section A
b)
section B
c)
section C
d)
section D
21.
Some elements have properties of metals and nonmetals, which make them useful in electronic devices. Where can these elements be found?
a)
section A
b)
section B
c)
section C
d)
section D
22.
Which two sections of elements are mostly likely to react and form chemical bonds with one another?
a)
section A and section B
b)
section B and section C
c)
section C and section D
d)
section D and section A
23.
CH4 +2O2 → CO2 +2H2O
How many different elements are involved in this reaction?
How many different elements are involved in this reaction?
a)
two
b)
three
c)
four
d)
five
24.
CH4 +2O2 → CO2 +2H2O
How many atoms are there on the left side of the equation compared to the right side?
How many atoms are there on the left side of the equation compared to the right side?
a)
The left side has more atoms than the right side.
b)
The right side has more atoms than the left side.
c)
The left and right side have the same number of atoms.
d)
It is impossible to know because it depends on the reaction speed.
25.
CH4 +2O2 → CO2 +2H2O
How many atoms of hydrogen are involved in this reaction? Record you answer below.
How many atoms of hydrogen are involved in this reaction? Record you answer below.
a)
6
b)
10
c)
4
d)
2
26.
Using the chart below, what would most likely happen if this specific ocean region was overfished by humans?
a)
decrease in the amount of algae
b)
increase in the shark population
c)
decrease in the activity of marine worms
d)
decrease in the available energy from the Sun
27.
Which does not describe a predator/prey behavior?
a)
Dolphins working in a team to roundup a school of fish.
b)
An eagle soaring above a field looking for a mouse.
c)
A polar bear walking on the sea ice searching for a seal.
d)
A barnacle attaching itself to a whale.
28.
In a rainforest, giant trees normally live for hundreds of years. However, when they do die and fall to the ground, hundreds of seedlings will compete to take its place. What adaptation is most necessary for a young tree to mature in this environment?
a)
the ability to grow vertically at a rapid rate
b)
the ability to establish a deep root system while growing at a slow and steady rate
c)
the ability to retain water to survive in drought conditions
d)
the ability to grow narrow, small leaves
29.
A geneticist is investigating how a new species of tomato plant may be able to survive in different soil compositions. In his experiment, what factor(s) will be his variable?
a)
soil composition
b)
amount of water
c)
intensity of sunlight
d)
all of the above will be an experimental variable
30.
Conservationists argue that we should not kill every snake we see. What is the reasoning behind this argument?
a)
Killing snakes will also decrease the population of their natural prey.
b)
A decrease in the snake population will lead to an increase in more venomous reptiles.
c)
The population of its natural prey, such as mice and insects, will increase.
d)
The number of snakes is directly related to the coyote population.
31.
Which of the following pictures is an example of a chemical change?
a)
Wood burning in a fireplace
b)
ice melting in water in a beaker
c)
a cracked rock
d)
boiling water on a hotplate
32.
Marlene’s family goes on an autumn campout to a local state park. During her campout she notices several things that could be chemical changes. Which of the following is not considered a chemical change?
a)
leaves on the trees turning from green to red
b)
the campfire turning wood into ashes
c)
the clouds forming rain from water vapor
d)
a marshmallow turning black on the outside when cooked over the campfire
33.
Describe the movement of the box in between the two trucks pulling on it.
a)
It moves to the left at an increasing speed.
b)
It moves to the right at an increasing speed.
c)
It moves to the left at a constant speed.
d)
It moves to the right at a constant speed.
34.
What is the net force acting on this balloon?
a)
7 N to the right
b)
10 N to the right
c)
6 N to the left
d)
4 N to the right
35.
During a football game, a quarterback passes a ball through the air. What will happen to the ball as it is traveling in the air?
a)
It’s speed will decrease due to air friction.
b)
It’s speed will decrease due to its mass.
c)
It’s speed will increase due to the quarterback’s arm.
d)
It will travel at a constant speed the entire time.
36.
Which of the following scenarios is an example of an unbalanced force?
a)
a car traveling constantly at 50 mph
b)
a golf ball being hit with a club
c)
a big truck stopped at a red light
d)
a satellite orbiting the earth
37.
Capt. Sanchez announces to the passengers on his airplane they are traveling at 300 mph 950 eastbound. He is describing the ___________________ of the airplane.
a)
velocity
b)
speed
c)
direction
d)
acceleration
38.
A train is traveling away from you at a constant speed. What would a distance-time graph look like for this train?
a)
A
b)
B
c)
C
d)
D
39.
The arctic hare in the picture is shown camouflaged in the snow from possible predators. However, when summer arrives, what trait(s) will allow this hare to avoid predators?
a)
its long ears for keen hearing and fast hind legs
b)
the ability to eat lots of grass
c)
its relatively small size in comparison with predators
d)
the thickness of its fur
40.
The polar bear depends on sea ice in order to hunt for seals. If arctic temperatures increase, what is the long- term outlook for polar bears?
a)
polar bear population will gradually increase
b)
polar bear population will gradually decrease
c)
polar bear population will remain unchanged
d)
polar bears will adapt quickly to new food sources
41.
Jessie catches a fish with the following characteristics:
√Oval-shaped body
√No barbels
√Forked tail fin
This fish is most likely a:
√Oval-shaped body
√No barbels
√Forked tail fin
This fish is most likely a:
a)
catfish
b)
rainbow trout
c)
bluegill
d)
largemouth bass
42.
The heart pumps blood to the lungs, allowing the blood to become oxygenated and then carrying the oxygen to the cells within the body. This describes a key interaction between what two body systems?
a)
endocrine and skeletal systems
b)
circulatory and respiratory systems
c)
digestive and circulatory systems
d)
nervous and respiratory systems
43.
In the plant cell below, which arrow is pointed to the organelle that contains the genetic material for inherited traits?
a)
Structure A
b)
Structure B
c)
Structure C
d)
Structure E
44.
The picture below shows how runoff from an urban location is routed to the ocean. Pollution in the runoff can damage ocean ecosystems. A likely cause of the runoff is:
a)
larger amounts of farmland to support more people
b)
pavement and concrete prevents water from entering the groundwater
c)
increased rainfall in urban areas
d)
sediments being deposited in the streams and rivers around urban areas
45.
What percent of the energy from the producer level is available to the herbivores?
a)
100%
b)
90%
c)
10%
d)
1%
46.
Which organism is considered a primary consumer?
a)
Heron
b)
Snail
c)
Frog
d)
Water lily
47.
Which of the following represents the correct flow of energy in a food chain found within the food web?
a)
Water lily - insect - frog - turtle
b)
Algae - insect - frog - fish - heron
c)
Heron - frog - insect - algae
d)
Cattail - insect - fish - turtle - heron
48.
Neutrons are neutral. This means that...
a)
neutrons are not involved in chemical reactions
b)
neutrons are neither acidic nor basic
c)
neutrons do not have a charge
d)
neutrons do not have a mass
49.
The overall charge of the nucleus is...
a)
Positive
b)
sometimes positive and sometimes negative
c)
neutral
d)
negative
50.
Which group on the periodic table is least reactive?
a)
Group 1
b)
Group 13
c)
Group 5
d)
Group 18
51.
Which property of an unknown element determines the other elements it will react with?
a)
The total number of neutrons
b)
The total number of particles
c)
The number of protons in the nucleus
d)
The number of valence electrons
52.
What do periods determine on the periodic table?
a)
Valence electrons
b)
Number of protons
c)
Number of energy levels
d)
Number of neutrons
53.
What do groups determine on the periodic table?
a)
Number of protons
b)
Number of valence electrons
c)
Number of neutrons
d)
Number of energy levels
54.
Sodium, aluminum, and chlorine are alike in that they all three _____
a)
are compounds
b)
are nonmetals
c)
have one valence electron
d)
have three energy levels
55.
All of these are examples of compounds except _____
a)
H
b)
NaCl
c)
H2O
d)
PbS
56.
How many atoms are in CuSO4?
a)
3
b)
4
c)
5
d)
6
57.
How many elements are in NaOH3
a)
3
b)
4
c)
5
d)
6
58.
The model shows Earth in several positions relative to the sun. In which position is it winter in North America?
a)
position 1
b)
position 2
c)
position 3
d)
position 4
59.
How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area?
a)
The activities prevent most of the water from evaporating into the atmosphere.
b)
Pollutants from the activities percolate through the soil and enter the water table.
c)
The activities replace the groundwater used.
d)
All of the above
60.
The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?
a)
Planets, stars, galaxies, nebulae
b)
Nebulae, stars, planets, galaxies
c)
Galaxies, stars, planets, nebulae
d)
Planets, stars, nebulae, galaxies
61.
The satellite photograph shows an area in Alaska after a fire occurred. Which statement best describes the most likely effect the fire had on the river in the 12 months after it occurred?
a)
Less sediment flowed into the river because the fire heated up the soil and made it drier.
b)
The amount of vegetation increased and less sediment flowed into the river because the fire produced ash that mixed with the soil.
c)
More sediment flowed into the river because the fire destroyed most of the vegetation holding the sediment in place.
d)
More sediment flowed into the river because the fire disrupted animal habitats and caused animals to leave the area.
62.
Both primary and secondary succession begin with pioneer species that --
a)
change the area and make it safer from predatory organisms
b)
invade the area so that new organisms cannot be established
c)
modify the area and allow larger and more complex organisms to appear
d)
use up the existing resources and prevent establishment of non-native organisms
63.
What is the driving force for the events pictured?
a)
high pressure and low pressure weather gradients
b)
the Sun heating the air and land creating convection currents
c)
convection currents within the ocean's water
d)
plants releasing oxygen and using carbon dioxide due to photosynthesis
64.
Ocean ridges, such as Mid-Atlantic ridge, form because--
a)
as the sea floor spreads apart, sediments gather due to ocean currents
b)
the pressure of the water causes magma to rise to the surface
c)
as the sea floor spreads apart, magma pushes to the surface
d)
the tectonic plates are pushed together, forming underwater mountains
65.
Sea breezes blow from the ocean toward the shore because --
a)
the Sun heats up the water more quickly than the land
b)
the Sun heats up the land more quickly than the water
c)
ocean currents cause the wind to blow toward shore
d)
breezes are created as Earth rotates on its axis
66.
The points labeled W and Y on the topographic map below show the campsites of two families. Each family hiked to the elevation on the map marked X. The arrows show the paths taken by both families. What was the change in elevation, for the family that took the steepest path to point X?
a)
120 m
b)
140 m
c)
40 m
d)
60 m
67.
The Himalayan mountains are shown on the map. Four students were asked to identify the geologic process that caused this mountain range to form. Which student correctly identified the geologic process that formed the Himalayan mountains?
a)
student 1: two continental plates converging
b)
student 2: an earthquake in a subduction zone
c)
student 3: a tectonic plate moving over a hot spot
d)
student 4: movement at a transform fault boundary
68.
The diagram shows an oceanic plate sliding under a continental plate. Based on the diagram, which geologic feature will most likely form as a result of this plate movement?
a)
a mountain on the edge of the continental plate
b)
a large, flat floodplain along the edge of the oceanic plate
c)
a desert on the edge of the continental plate
d)
a delta along the edge of the oceanic plate
69.
The model shows two continental plates. The folded mountains in this model form at which type of plate boundary?
a)
transform boundary
b)
divergent boundary
c)
subduction boundary
d)
convergent boundary
70.
What is one condition that is necessary for a hurricane to form?
a)
warm ocean water
b)
a strong cold front
c)
cold ocean water
d)
a strong warm front
71.
Hurricanes are powerful tropical storms that develop over warm ocean water. Hurricanes draw their energy from the ocean and weaken as they move over land. Which of the following BEST explains how energy is transferred from the ocean to a hurricane?
a)
evaporating water adds heat to the atmosphere
b)
rising tides change the level of the ocean surface
c)
waves cause turbulence in the lower atmosphere
d)
currents carry warm water along the ocean surface
72.
Which of these best explains why the oceans have a greater impact on the weather than areas over the continents?
a)
ocean waves move more easily than continental rock
b)
the oceans contain a wider variety of organisms than the continents
c)
the oceans store and transfer more heat than the continents
d)
ocean water contains more salt than most continental lake water
73.
Which of the following is most likely a cause of hurricanes?
a)
cooler ocean temperatures
b)
warmer ocean temperatures
c)
large ocean waves
d)
strong ocean currents
74.
Why does Earth experience unequal heating?
a)
the atmosphere is not equally distributed around Earth
b)
Earth is tilted on its axis
c)
oceans do not equally cover Earth
d)
Earth's revolution is longer than its rotation
75.
Air masses move across Earth's surface because of differences in --
a)
air pressure
b)
rainfall
c)
weather
d)
elevation
76.
When air is heated, its --
a)
density increases, forming an area of high pressure
b)
density increases, forming an area of low pressure
c)
density decreases, forming an area of high pressure
d)
density decreases, forming an area of low pressure
77.
Which of the following tools would be used to measure air pressure?
a)
thermometer
b)
spectroscope
c)
barometer
d)
psychrometer
78.
Which of the following provides the energy that causes weather?
a)
fossil fuels
b)
hydroelectric
c)
Sun
d)
water
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