WorksheetsMid Year Study Guide
Total questions: 63
Worksheet time: 2hrs 5mins
SC.6.E.7.5
Over the course of a year, areas near Earth's equator receive more direct energy from the Sun area's near Earth's pole. Which of the following correctly describes one result of this heating pattern?
a. The poles lose all their heat at night.
b. atmosphere and oceanic currents distribute heat from the tropics to the poles.
c. Sunlight overheats the oceans near the equator, making it impossible for sea life to exist there.
d. Sunlight evaporates a massive amount of surface water near the tropics, creating flooding in the part of the world.
SC.6.E.7.4
The interaction between the cryosphere and hydrosphere can have an impact on Earth’s oceans. Which of the following is an example of an interaction between the cryosphere and hydrosphere?
A)evaporation of water from oceans at the equator
B)release of fresh water into ocean water as icebergs melt
C)decomposition of organic matter at the bottom of oceans
D)release of large amounts of salt from icebergs into the ocean
SC.6.E.7.4
Water on the surface of the Atlantic ocean evaporates into the air above it. Which two Earth spheres are interacting during this event?
A)Atmosphere and Hydrosphere
B)Biosphere and Hydrosphere
C)Geosphere and Atmosphere
D)Hydrosphere and Geosphere
SC.6.E.7.4
Which of the following statements about Earth's spheres are false?
A)The biosphere contains all the living and once living things on Earth
B)The atmosphere is the layer of gases that surrounds Earth
C)The cryosphere is all the water from the rivers, lakes and oceans on Earth
D)The geosphere involves the rocks and materials that make up Earth's layers
SC.6.E.7.5
Wind, which affects precipitation and temperature and therefore climate, is driven by the sun’s energy. Which best explains how the sun’s energy affects winds?
.
A) The sun causes consistent air pressure in the atmosphere, which leads to even heating, which causes winds.
B) The sun causes differences in air pressure that lead to differential heating of the atmosphere, which causes winds.
C) The sun causes differential heating of the atmosphere, which leads to differences in air pressure that cause winds.
D) The sun causes even heating of the atmosphere, which leads to constant air pressure in the atmosphere, which causes winds.
SC.7.E.6.2
As a river enters a sea, a delta often forms as sediment is laid down. Which statement describes where erosion and deposition mainly take place?
A) Erosion takes place at the delta, and deposition takes place along the river.
B) Erosion takes place along the river, and deposition takes place at the delta.
C) Erosion takes place at the delta, and deposition takes place only at the top of the river.
D) Erosion takes place only at the top of the river, and deposition takes place at the delta.
SC.7.E.6.2
Earth's rock is continually cycling through states and locations. The diagram below shoes the rock cycle. The labels for two processes are missing.
Which of these process in the rock cycle could be happening at the stage labeled 2?
A. Folding and mountain building
B. Changes due to heat and pressure
C. Compaction and cementation
D. subduction of an oceanic plate beneath a continental plate.
SC.6.E.7.4
Paleontologist discovered fish fossils in the arid deserts of western Egypt. What does the fossil evidence most likely indicate about the area's geologic past?
a. The desert was once a vast ocean
b. A giant ocean wave carrying sea life crashed onto the desert
c. Mountains in the region once provided water from snowmelt
d. The area was moved from the ocean to the deserts by plate tectonics.
SC.7.E.6.2
When does erosion takes place?
A)after water, ice, and wind make rock from soil and sediment
B)as tectonic plates collide and one plate sinks below the other.
C)when heat and pressure inside Earth change a rock's structure.
D)as water, ice, wind and/or gravity move soil and sediment from one place of another.
SC.7.E.6.2
Ice forms in the cracks of a basalt rock formation and breaks some rock into smaller pieces. The diagram below shows part of the rock cycle. At which point in the cycle shown above would the process of breaking down rocks occur?
A)J
B)K
C)L
D)M
SC.7.E.6.5
Earth's crust is made up of tectonic plates. The diagram shows two plates found under the Himalaya Mountains.
Which of the following statements best describes the tectonic plates shown in the diagram?
a. two convergent plates, one continental and oceanic
b. two divergent plates, one continental and one oceanic
c. two convergent continental plates
d. two divergent continental plates
SC. 8. E.5.3
Jordan draws the diagram shown on the right side (not to scale) to show the relative sizes of several parts of the universe.
Which of these is larger than a solar system, but smaller than the universe?
a. comet
b. galaxy
c. moon
d. star
SC.8.P.8.5
An atomic model of sulfuric acid (H 2SO 4) is shown on the image.
How many different elements have combined to form this compound of sulfuric acid?
a.2
b.3
c.6
d.7
SC.8.P.8.4
Matter has two basic properties: physical properties and chemical properties. Which of these statements best describes physical properties?
A)Physical properties behave identically for all matter under the same conditions.
b)Physical properties can be observed without changing the identity of a substance.
c)Physical properties are observed by seeing how a substance reacts with other substances.
d)Physical properties cause atoms and molecules to change structure when substances are mixed.
SC.8.P.8.4
A physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property?
A)whether or not a metal will rust
B)the tendency of a substance to explode
C)the way the substance reacts with water
D)the shine or luster of a metal or other object
SC.8.P.8.4
A physical property can be observed or measured without changing the identity of a substance. Which of these choices is an example of a physical property?
A)the tarnishing of silverware
B)the rate at which a metal transfers heat.
C)the effect of acid rain on automobiles
D)the combustion of gasoline in a car engine
SC.8.P.9.2
Chemical changes result in new substances, but physical changes do not. Which process is an example of a physical change?
A)Sodium and water are combined and form sparks.
B)Bleaching lightening hair color
C)A loaf of bread being sliced into pieces.
D)Sodium and chlorine are combined to form table salt.
SC.8.P.9.2
There are several differences between chemical and physical changes. Which statement is true of a chemical change, but not true of a physical change?
A)A chemical change can produce warmth.
B)A chemical change can be easily changed back.
C)A chemical change can be easily changed back.
D)A chemical change can combine substances without altering them.
SC.8.P.9.2
It is important to understand the differences between chemical and physical changes. Chemical changes result in new substances, but physical changes do not. Which process is an example of a physical change?
A)Water turns to steam when boiled over a Bunsen burner.
B)Carbon combines with oxygen to form carbon dioxide gas
C)Water breaks down into hydrogen and oxygen gases over time.
D)Limestone breaks down into lime and carbon dioxide when heated.
SC.8.P.8.5
Dmitri Mendeleev first proposed a periodic table of elements in 1969. In Mendeleev’s table, the elements were arranged in order of atomic mass. Modern periodic tables organize elements by atomic number and group them based on how their electrons are arranged. The arrangement of electrons controls how the elements interact with each other. The arrangement of electrons combined with the number of protons and neutrons determines all the element’s properties. The modern table contains a little more than 100 elements, from which every substance known to man is made.
a. F, Br, I, At
b. H, Li, K, Rb
c. O, S, Se, Te
d.Mg, Al, Si, P
SC.8.P.8.4
Students investigated the solubility of different substances in water. The record their resulted and make a graph to analyze the data.
A student stated that increasing the temperature of the solvent always allows much more solute to dissolve. Evaluate the student's statement based on the test results in the graph, Is her statement supported.
a. Yes, solubility increases greatly with temperature.
b. Yes, substances that are not soluble at low temperatures become soluble at high temperatures.
c. No solubility of some substances is not greatly affected by temperature.
d. No, solubility and temperature are unrelated
SC.7.P.11.4
A school group sells hot cocoa to fans at a football game on a cold night. The hot of cocoa is placed on a table outdoors. The graph below illustrates the exchange of heat between the cocoa and the table as the evening progresses.
What describes the heat exchange that is taking place?
a. The heat of the cocoa and the pot is being replaced by the cold of the table.
b. The cold air is cooling off the cocoa but not the table
c. The heat of the cocoa and the pot is flowing to the much-cooler table.
d. The exchange of heat between the table and the cocoa is very limited.
SC.7. P.11.2
Two people are participating in the activity shown below.
As the two people continue their activity, how is their energy being transferred to the objects they hold?
a. Mechanical energy results in heat in their muscles, which warms up the objects.
b. Potential energy results in kinetic energy, which causes the objects to loss mass.
c. Mechanical energy results in vibrations in their hands, which creates sounds in the objects.
d. Potential energy results in movement of their arms, which cools down the object.
SC.7. P.11.2
Examine the diagram below. The arrows indicate various paths of energy flow and transformation.
Which is NOT examples of Kinetic Energy?
a. the chemical energy stored in the grass and the apples
b. the mechanical energy of the wind making the kite fly.
c. the radiant energy of the Sun charging the solar panel.
d. the electrical energy of the solar panel powering the lamp.
SC.6.P.13.3
The graph below describes the velocity, measured in meters per seconds(m/s) of an object over a period of time, measured in seconds(s)
Which section of the graph represents negative acceleration.
a.a
b.b
c.c
d.d.
SC.6.P.11.1
Which of the following is one of the energy conversions taking place in a campfire?
a. heat and light
b. heat and kinetic
c. chemical and light
d. light and chemical
SC.7.P.10.1
Part of the electromagnetic spectrum is visible light. Which color is the opposite end from red on the visible spectrum.
a.green
b. infrared
c. violet
d. yellow
SC.7.P.10.1
Which of he following types of radiation from the Sun has the shortest wavelength.
a. gamma
b. infrared
c. ultraviolet
d. visible
SC.8.E.5.7
Which of the following astronomical bodies is largest
a. Jupiter
b. the Sun
c the Moon
d. the milky way
SC.6.L.14.1
Organs are directly made up of what lower level of cellular organization?
a. cells
b. tissues
organisms
d. organ system
SC.6.L.14.1
Which two systems in the human body work together to eliminate carbon dioxide (CO2) from the body
a. the excretory and digestive systems
b. the digestive and circulatory systems
c. the excretory and respiratory system
d. the respiratory and circulatory system
SC.6.E.7.4
A robotic submarine explores the ocean near some deep-sea vents. It collects samples of living things, such as tube worms. Where is the robotic submarine?
a. in the geosphere
b. in the cryosphere
c. in the atmosphere
d. in the hydrosphere
SC.6.L.14.4
Chromosomes from a mother and a father combine during fertilizations. What does the offspring of two parents inherit through chromosomes?
a. energy
b. genes
c. organelles
d. resources
SC.6.L.14.4
According to the cell theory, where do plant cells come from.
a. organelles
b. other plant cells
c. protein synthesis
d. chemical reactions
SC.6.L.14.1
The diagram below represents the organizational levels of living things.
Which of the following examples represents the missing organizational level?
a. blood
b. heart
c. plasma
d. vein
SC.6.L.14.4
During science class, Mauricio made sketches of the major organelles of the cell. Which of the following is his sketch of a mitochondrion organelle?
SC.8.P.8.5
Chemists once belived that an atom was made of negative electrons dispered inside a positive mass like raisins in pudding. an experiment with radiation and gold foil demonstrated that most of an atom was made of empty space. After his experiment, they adopted a new model of the atom that showed the electrons orbiting the nucleus of the atom from a distance. Which of the following statements about new model is true?
a. The new model is perfect and will not change
b. the new model is wrong and will not last
c. the new model fits the data worse than the old model
d. the new model fits the data better than the old model
SC.8.P.9.2
Which of the following situations demonstrates a physical change.
a. burning a match
b. milk going sour
c. melting of ice
d. rusting iron
SC.6.P.13.1
A stream carves a channel through soil rock by removing a few small particles of rock at a time. The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into solid rock. what is the new rock called?
a. quartz rock
b. igneous rock
c. sedimentary rock
d. metamorphic rock
SC.6.P.13.1
Earthquakes and volcanic eruptions are common on the western edge of the Pacific Ocean. Which theory does this pattern of geological phenomena support?
a. weathering
b. the rock cycle
c. plate tectonics
d. biological evolution
SC.6.P.13.1
Where are most mountains on Earth formed?
a. at volcanic chains
b. at strike slip faults
c. at mid ocean ridges
d.at convergent plate boundaries
SC.6.P.13.1
A basket ball player jumps straight up to dunk a basketball. The basketball player's speed increase as she returns to the ground. what is true about the forces acting on the basketball player?
a . The upward force is greater than the downward force.
b. The downward force is greater than the upward force
c. The rightward force is greater than the leftward force
d. the leftward force is greater than rightward force
SC.7.L.17.2
Bees and butterflies have a mutualism relationship with flowering plants. Which statement describes this mutualism?
a. Bees and butterflies receive food while pollinating the flowers.
b. Bess and butterflies take nutrients away from the flowering plants.
c. Bees and butterflies complete for the limited food available from the flowering plants.
d. Bes and butterflies pollinate the flowers by flying from one to another without any harm to themselves.
SC.7.L.17.2
What is different about parasitism compared to the other biological relationships such as mutualism, predation , competition and communalism?
a. A parasitic organism causes harm to other organisms as a result of the symbiotic relationship.
b. The parasite must utilize a host organism that may or may not die as a result of the relationship.
c. The host is neither helped nor hurt by the relationship and interaction with a parasitic organism.
d. Both the parasite and the host are helped by the relationship and interaction with parasitic organism.
SC.7.L.17.2
Barley is a grain that grows in many parts of the world. A plant geneticist identifies a gene for larger kernels in a wild relative of barley. The geneticist wants to transfer this gene to barley so that farmers can increase their harvests with the new variety of barley. What molecule contains the gene that the geneticist wants to transfer?
a. Allele
b. DNA
c. phenotype
d. protein
SC.7.P.11.2
All the devices below either use or produce electrical energy. Which one converts mechanical energy to electrical energy?
a. battery
b. electric drill
c. wind turbine
d. electric guitar
SC.7.P.10.1
Radars can help meteorologist detect clouds and sailors detect submarines. Radars send out radio waves and record their echoes after the radio waves reflect off an object. Two radars send out radio waves with the same frequency. The first radar send radio waves through the air. The second radar sends radio waves through the ocean. What is true about these radio waves?
a. They are visible
b. they are audible
c. They have different speeds
d. They have different wavelengths
SC.7.P.411.4
Because sound is energy created by vibrations, through which medium will it medium will move the fastest?
a. gas
b. liquid
c. solid
d. vacuum
SC.7.P.10.1
Which of the following types of radiation from the Sun has the largest wavelength?
a. gamma
b.infrared
c.ultraviolet
d. visible
SC.7.N.3.1
There are many important laws and theories in science. Which of the following is a law of science?
a. A living thing is made of at least one cell.
b. An atom is made of electrons orbiting a nucleus
c. Gravity will pull two objects toward each other
d. Natural selection will change species to fit their environment.
SC.8.E.5.7
A science fiction movie shows a spaceship traveling past Pluto, Saturn, the Moon and Andromeda Galaxy. Which of these celestial object is farthest from the Sun
a. Pluto
b. Saturn
c. the Moon
d. the Andromeda Galaxy
SC.7.L.17.2
Herbivores get energy by eating plants. Plants get energy from the sunlight. Why does most of the energy captured by plants never become available to herbivores?
a. The herbivores find alternative sources of energy.
b. The plants also provide energy directly to carnivores.
c. The plants use most of their energy to maintain themselves.
d. the herbivores conserve the energy in plants for future generations.
SC.8.P.8.5
The picture shows a water molecule.
What is this molecule an example of?
a. an atom
b. a mixture
c. an element
d. a compound
SC.6.E.7.4
Granite is a sturdy rock used for monuments. It forms from slowly cooling magma.
That type of rock is granite?
a. igneous
b. metamorphic
c. sedimentary
d. weathered
SC.6.E.7.4
Which of the following would be the least likely cause of a volcanic eruption?
a. tectonic plates colliding
b. gas pressure within the Earth's crust
c. tectonic plates sliding past each other
d. new magma flowing into an already full magma chamber
SC.6.P.13.1
Which of the objects illustrated can exert a force across a distance?
SC.8.P.8.5
Bill left a hammer out in the rain all day. The next morning it had rust on it.
Oxygen and metal chemically combine to form rust/ What is rust an example of?
a. a mixture
b. a solution
c. an element
d. a compound
SC.7.P.11.4
Jeffry brings a book from an air-conditioned apartment to a balcony on a hot summer day. How will the cool book interact with the outside air?
a. Heat from the book will move to the air
b. Heat from the air will move to the book
c. Coolness from the book will to the book
d. Coolness from the air will move to the book
SC. 8.P.9.2
Four siblings did chores during the weekend. Ling cooked eggs. Gabe raked leaves. Chris sewed buttons. Briana dried laundry. Which of these shores involved a chemical change.
a. cooking eggs
b. raking leaves
c. sewing buttons
d. drying laundry
SC.6.L.14.4
All living things are made of cells. What are cells made of/
a. organs
b. tissues
c. compounds
d. organ system
SC.8.P.8.5
Fresh milk has several parts that a farmer can separate and sell. What property does a farmer use to separate that fat from the rest of the milk?
a. density
b. magnetism
c. boiling point
d. electrical conductivity
SC.6.L.14.4
the diagram below shows a single-celled organism with many organelles but no cell wall.
In which of the following categories would the organism most likely be classified.
a. Animalia
b. Eubacteria
c. Fungi
d. Protista
Which of the following physical characters is the same for a particular substance. regardless of the sample size?
a. mass
b. volume
c. heat content
d. melting point
