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Worksheets7th Grade Science Final TCAP Review
Total questions: 113
Worksheet time: 1hrs 12mins
Which chemical equation supports the law of conservation of matter?
H2O2 → H2O + O2
2 Fe2O3 + 3 C → 4 Fe + 3 CO3
SO4 + O2 + 2 H2O → 4 H2SO4
Mg + 2 HCl → MgCl2 + H2
Refer to the periodic table. Which statement is true about the elements in the periodic table?
Elements in family 2 are all nonmetals.
Elements in period 4 are all metals.
Elements in period 6 have similar properties.
Elements in family 7 have similar properties.
The diagram shows a cup of hot coffee with a metal spoon. Which physical property explains why the spoon becomes hot?
conductivity
ductility
luster
malleability
Copper is commonly used in electrical wiring. What characteristic of copper make it perfect for this use.
Copper is a shiny metal allowing it to reflect light which is important when used in electrical wiring
Copper is a metal that is highly conductive allowing electricity to move easily through it.
Copper is a nonmetal that is nonconductive making it unlikely that one would receive an electrical shock.
Copper is a brittle nonmetal that is perfect when surrounded by the external wrap.
Scientists use chemical equations to represent chemical reactions. What is the balanced chemical equation for photosynthesis?
2CO2 + 3H2O → 6O2 + C6H12O6
6CO2 + 6H2O → 6O2 + C6H12O6
6CO2 + 4H2O → 2O2 + C6H12O6
3CO2 + 6H2O → 4O2 + C6H12O6
In chickens, the trait for yellow legs (Y) is dominant over the trait for white legs (y). A breeder wants to cross his chickens to have offspring with an equal ratio of chicks with yellow and white legs. Which cross best represents the outcome that the breeder desires?
YY x yy
Yy x yy
YY x YY
Yy x Yy
The diagram shows a plant cell. Which structure controls every activity of the cell?
structure 1
structure 2
structure 3
structure 4
Which of these is a reactant in cellular respiration in plants?
energy
carbon dioxide
water
glucose
Which processes are responsible for cell growth and reproduction?
mitosis and meiosis
mitosis and osmosis
meiosis and photosynthesis
osmosis and photosynthesis
Muscle cells need oxygen in order to carry out cellular respiration to produce energy. How would running 5 miles most likely affect one of the body systems?
The circulatory system would need to transport nutrients at a slower rate.
The nervous system would need to send fewer signals to the brain.
The respiratory system would need to take in air at a faster rate.
The immune system would produce more white blood cells.
In an atom, the electrons can be found
orbiting the nucleus.
inside the nucleus.
bonded to the protons.
bonded to the neutrons.
The atomic number of an element refers to the number of
electrons in the outer shell.
neutrons in the outer shell.
electrons in the nucleus.
protons in the nucleus.
Which statement is true about the levels of organization for living things?
Organisms that are in the same kingdom are always in the same order.
Organisms of the same species are also in the same class.
Organisms that are in the same phylum have more in common than organisms in the same order.
Organisms that are in the same family have more in common than organisms in the same genus.
The diagram shows the direction of solar energy falling on Earth. Which labeled radiation results in the greenhouse effect?
Radiation 1. It is directly absorbed by Earth’s surface causing it to heat up.
Radiation 2. It heats up the stratosphere and the troposphere that completely cover Earth’s surface.
Radiation 3. It heats up both the troposphere and Earth’s surface before getting transmitted through the atmosphere.
Radiation 4. It gets trapped and cannot be transmitted through the atmosphere.
The human body has many levels of organization. Which diagram shows the correct order of these levels?
Diagram A
Diagram B
Diagram C
Diagram D
What is (are) the correct component(s) of a molecule of oxygen gas?
1 oxygen atom alone
2 oxygen atoms bonded together
3 oxygen atoms bonded together
4 oxygen atoms bonded together
Gray foxes live in woodland habitats of North America. They have coat colors that are mixes of gray, white, and brown. Gray foxes are the only type of foxes that can climb trees. How do these adaptations help gray foxes survive in their habitats?
The adaptations help them sneak up on and catch prey.
The adaptations help them stay cool during warm summers.
The adaptations help them hide their food for later use.
The adaptations help them travel large distances.
What is the principle role of DNA?
carry the genetic code
keep a spiral helix shape
provide energy for the cell
remove harmful wastes
The diagram shows two reactions that occur inside a plant cell. A scientist places a plant inside a bell jar made of glass and places the bell jar outside. The scientist removes the air within the bell jar that contains both carbon dioxide and oxygen with a vacuum pump. How will the plant be affected by the removal of the gases?
The plant will not perform photosynthesis and cellular respiration.
The plant will not perform photosynthesis but will perform cellular respiration.
The plant will perform photosynthesis but not cellular respiration.
The plant will perform photosynthesis and cellular respiration.
Four students are given an assignment to find out what they could do to make a reaction between hydrochloric acid (HCl) and zinc (Zn) follow the Law of Conservation of Mass. The students execute a controlled experiment and collect the data in the chart. Which student’s idea would improve the experimental design such that the results would more accurately demonstrate the Law of Conservation of Mass?
Student 1 states that they should add more zinc to the reaction to increase the mass of the products.
Student 2 states that they should decrease the amount of acid to decrease the mass of the products.
Student 3 states that they should put a balloon over the top of the flask to close the system.
Student 4 states that they should add ice to the reaction to stop the reaction from boiling the acid away.
How do particles of a substance change when melting from a solid to a liquid?
The particles grow larger in size as the temperature increases.
The particles collide with and move past one another.
The particles lose energy and move randomly within a container.
The particles break up into separate groups of particles that vibrate in place.
What is the common name for the compound whose formula is NaCl?
simple sugar
sodium
table salt
water
What is most likely the identity of the unknown substance?
Cu
KCl
N2
SiO2
The image shows the arrangement of atoms in two samples, A and B. Which option identifies them correctly?
Sample A - element, Sample B - compound
Sample A - compound, Sample B - element
Sample A - element, Sample B - mixture
Sample A - compound, Sample B - mixture
Use the blank periodic table to answer the question. Which word would best describe the element in the box numbered "2"?
brittle
gas
malleable
semiconductor
A student reads the following statement: "The presence of greenhouse gases in Earth's atmosphere is important to Earth's ability to support human life." How would Earth be different without greenhouse gases in its atmosphere?
More heat from solar radiation would escape into space.
More solar radiation would be reflected back into space.
More solar radiation would penetrate Earth's crust and mantle.
More heat from solar radiation would be stored in Earth’s core.
A disorder is associated with certain flaws in the human respiratory system. Which is most likely a typical symptom of this disorder?
poor vision
difficulty breathing
reduced muscle mass
increased saliva production
Marla has 4 cards labeled Q, R, X, and Z to represent four different elements. She knows the number of protons for each element but not the element's identity. The table shows the number of protons for each different element. What can be concluded about the elements represented by Marla's cards?
Q, R, X, and Z are nonmetals.
Q, R, X, and Z are metals.
Q and Z are both nonmetals.
R and Z are both metals.
Sickle cell anemia is a disorder that occurs due to mutations in the genes that produce the hemoglobin protein in human blood. A person who has two mutated alleles for the hemoglobin gene will exhibit sickle cell anemia, with misshapen red blood cells that are not able to carry oxygen efficiently. A person with one mutated allele will not exhibit the disorder but will be more resistant to malaria, a parasitic disease spread by mosquitoes that causes severe flu-like symptoms that can result in death. Which statement best describes the gene mutation that causes sickle cell anemia?
Sickle cell anemia is caused by a genetic mutation that is harmful to all individuals.
Sickle cell anemia is a genetic mutation that is harmful in individuals who develop the disease but can be beneficial to individuals who carry the disease.
Sickle cell anemia is a genetic mutation that has no effect in individuals who develop the disease but can be harmful to individuals who carry the disease.
Sickle cell anemia is a genetic mutation that is beneficial to all individuals.
The scientific name for the lion is Panthera leo. Which statement about the classification of lions is correct?
The family is Panthera, while the order is leo.
The order is Panthera, while the family is leo.
The phylum is Panthera, while the class is leo.
The genus is Panthera, while the species is leo
Which pair of items requires the most powerful microscope to be viewed?
outer membrane and nucleus
cell and tissue
proton and electron
atom and isotope
Which level of classification contains animals that are able to breed and produce offspring of the same kind?
class
family
phylum
species
Use the information to answer the question. The Punnett square shows a cross between two people who have freckles. What genotypic ratio is expressed in the cross?
1:1:1:1
1:2:1
2:2
3:1
Which response helps to increase body temperature?
Blinking
Panting
Shedding
Shivering
Sophia drew a simple diagram to represent the digestive system. Which organ absorbs the nutrients from food?
Mouth
Esophagus
Stomach
Intestines
Which factor likely caused a smaller percentage of seeds to germinate in Pots E through H?
oxygen
space
sunlight
water
Which element in the portion of the periodic table shown will be the most reactive with calcium?
Arsenic
Boron
Chlorine
Lead
Which model accurately shows the charges and relative sizes of each of the subatomic particles that compose an atom?
Which statement explains why the water in the beaker is a uniform color after a period of time?
The molecules of the colored substance move randomly through the water, with the majority moving from an area of high concentration to an area of low concentration
The water molecules are altered and replaced by the molecules of the colored substance
The molecules of the colored substance move randomly through the water, with the majority moving from an area of low concentration to an area of high concentration
The colored substance molecules are altered and replaced by the molecules of the water
Which statement is true about the daughter cells formed during this process?
Two daughter cells are formed that are both different from the parent cell
Two daughter cells are formed that are the same as the parent cell
Two daughter cells are formed that share some of the characteristics of the parent cell
Two daughter cells are formed that are similar to each other but different from the parent cell.
How much water (H2O) should be formed in this chemical reaction?
5 g
9 g
27 g
31 g
Which two organisms have the greatest number of characteristics in common?
Coyote and bat-eared fox
Coyote and Ethiopian wolf
Artic fox and bat-eared fox
Ethiopian wolf and Artic fox
Which letters represent electrons?
V
W
X
Y
Z
In a litter of four kittens, what percentage should the breeder expect to have long hair?
25%
50%
75%
100%
Which materials would be the best to use for building circuit boards?
sand and lead
lead and silver
aluminum and gold
copper and silver
A neutral atom is best described as having
more protons than neutrons
more electrons than protons
an equal number of protons and neutrons
an equal number of protons and electrons
On a small, isolated island, a hurricane destroyed all the trees that produced a large, hard-shelled nut. Which bird population would most likely decrease?
Birds with long, probing beaks
Birds with thick, strong beaks
Birds with thin, short beaks
Birds with large, pouch beaks
Which structure is responsible for producing ATP?
1
2
3
4
Which conclusion about the unknown planet can be made by using the information provided?
It is not suitable for animals
It will sustain a small human population
It has enough oxygen for small mammals
It has many carbon-dioxide-releasing organisms
Which is most likely a genetic adaptation of desert plants to survive the hot, dry climate conditions?
Thin bark
Waxy leaves
Leaves that remain all year
Flowers that bloom all year
Which two gases in Earth's atmosphere are considered greenhouse gases?
Argon and oxygen
Carbon Dioxide and Water Vapor
Argon and Nitrogen
Carbon Dioxide and Oxygen
Pennies are made of zinc with a layer of copper on top. If a penny is heated, the copper and zinc can combine to form brass. Which term best describes brass?
An atom
A mixture
A molecule
An element
Which of the following organisms would most likely thrive in a desert environment?
Which wire would cause the bulb to light up?
Cotton
Plastic
Wool
Zinc
Which statement is the best conclusion based on the observations?
The substance is a metal because it is shiny, malleable, and a good conductor of electricity.
The substance is a metal because it is a solid and a good conductor of electricity.
The substance is a nonmetal because it is a solid and a good conductor of electricity.
The substance is a nonmetal because it is shiny, malleable, and a good conductor of electricity.
Using the partial periodic table, which statement is correct?
Oxygen (O) has more protons than chlorine (Cl).
Iron (Fe) has more protons than silver (Ag).
Sodium (Na) has more protons than carbon (C).
Hydrogen (H) has more protons than helium (He).
A student heats a solid substance at constant pressure. Which statement best describes the heating process?
The particles gain energy and move slower, weakening the intramolecular forces.
The particles gain energy and move slower, strengthening the intramolecular forces.
The particles gain energy and move faster, weakening the intramolecular forces.
The particles gain energy and move faster, strengthening the intramolecular forces.
What does this model show?
Animals convert food into organic matter through photosynthesis
Plants use carbon dioxide from the atmosphere to create food for animals.
Animals take organic matter from the atmosphere and convert it into carbon dioxide
New atoms of carbon are generated during respiration.
Which three bowls have compounds in them?
Bowl 1
Bowl 2
Bowl 5
Bowl 4
Bowl 3
The thin, semi-permeable membrane that encloses a cell allows nutrients to enter and wastes to be
digested
recycled
protected
excreted
What is formed when a sodium atom and chlorine atom react chemically?
An element
A compound
An electron
A neutron
Based on the information in the table, which mineral is also an element?
graphite
quartz
calcite
hematite
Structural differences between different chemicals can be represented in models of the particles.Which drawing best represents a compound?
A scientist placed an egg in vinegar to dissolve the shell. After the shell dissolved, only the semipermeable membrane of the egg remained. Then she placed the egg in water, and the egg increased in size as water molecules diffused into the egg. Next, she placed the egg in corn syrup, and the egg decreased in size as the water molecules diffused out of the egg. Why were water molecules able to enter the egg but not sugar molecules?
Semipermeable membranes will allow any type of molecules to enter and exit a cell.
The holes of the semipermeable membrane were too small to let sugar molecules through.
The holes of the semipermeable membrane needed energy to push sugar molecules through.
Semipermeable membranes must be under pressure to work.
What solution would lower the amount of carbon dioxide produced by humans?
Increase the cutting of forests
Increase the human population
Reduce water consumption
Reduce fossil fuel use
When frozen carbon dioxide (CO2) is heated, it changes directly into a gas. Which statement best indicates that a physical change has taken place?
Heat caused an increase in gas production
Heat caused a new substance to form
Heat caused a decrease in energy
Heat caused a change in state
When heat energy is added to water in a pot on a stove, what changes occur to the water?
Particles move faster, and temperature increases
Particles move slower, and temperature increases
Particles move faster, and temperature decreases
Particles move slower, and temperature decreases
Which term best describes this process?
Diffusion
Osmosis
Photosynthesis
Respiration
One consequence of the 2010 earthquake in Haiti was the spread of cholera due to the lack of access to clean water for Haitians. Cholera is a deadly disease caused by bacteria that is transmitted in contaminated water. A year after the earthquake, a cholera vaccine never tested on humans was offered to the Haitian government to prevent the spread of more cholera before the rainy season began. The government turned down this vaccine.
Which statement best explains why the government was skeptical about the vaccine?
The government did not want to give the vaccine before the rainy season since that would not make any difference.
The government did not think the vaccine would have any impact since it was a year after the earthquake.
The government did not want to administer a vaccine since it was focused on fi xing the water supply.
The government did not want to administer an experimental, untested vaccine on its citizens.
Red blood cells transport oxygen to the tissues in the body. Sickle cell disease, affecting millions worldwide, is a condition that reduces red blood cells’ ability to transport oxygen. A research team wants to test how the administration of a specially developed nanoparticle will affect the number of sickled red blood cells. With a group of volunteers who have sickle cell disease, the team administers the nanoparticle to half of the group and the current treatment medicine to the other half of the group.
What participant criteria will help improve the results of the study?
Participants are only male
Participants are not currently taking any conflicting medicines
Participates have other medical conditions that can be treated by the nanoparticle
Participants have the same blood type
Which is the correct order of the levels of organization from smallest and most simple to largerst and most complex?
cell, organ, tissue, organ system
cell, tissue, organ system, organ
cell, tissue, organ, organ system
cell, organ system, organ, tissue
The function of the nervous system is to? What is the main organ it includes?
Break down food. stomach
Help the body move. muscles
Send and receive messages. brain
Pump blood around the body. heart
The function of the digestive system is to? What is the main organ it includes?
Break down food. stomach
Help the body move. muscles
Send and receive messages. brain
Pump blood around the body. heart
The function of the circulatory system is to? What is the main organ it includes?
Break down food. stomach
Help the body move. muscles
Send and receive messages. brain
Pump blood around the body. heart
The function of the muscular system is to? What is the main organ it includes?
Break down food. stomach
Help the body move. muscles
Send and receive messages. brain
Pump blood around the body. heart
The function of the excretory system is to? What is the main organ it includes?
Bring in oxygen, and remove carbon dioxide. lungs
Remove waste. kidneys
Send and receive messages. brain
Pump blood around the body. heart
The function of the respiratory system is to? What is the main organ it includes?
Bring in oxygen, and remove carbon dioxide. lungs
Remove waste. kidneys
Send and receive messages. brain
Pump blood around the body. heart
How do the respiratory an circulatory systems work together?
The respiratory system removes waste and the circulatory system moves it around.
The respiratory system breaks down food, and the circulatory system moves it around.
The circulatory system brings in oxygen, and the repiratory system moves it around.
The respiratory system brings in oxygen, and the circulatory system moves it around.
What does the skeletal system do?
Allow us to move and give structure to the body
Make us strong
digest our food
Turn oxygen into carbon dioxide
what is the nervous system made of?
The brain, spinal cord, nerves
heart, veins and blood
stomach, liver and intestines
heart, kidneys, lungs
Which two body systems work together to allow you to move? (Choose two)
Digestive System
Excretory System
Muscular System
Skeletal System
Which two body systems work together to transport oxygen throughout the body?
Digestive System
Respiratory System
Excretory System
Circulatory System
Which two body systems work together to allow a baseball player to swing a bat?
Digestive System
Endocrine System
Muscular System
Skeletal System
What is an organ?
A group of tissues that work together to perform closely related functions.
the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
all of the bones and muscles in your body and responsible for body structure and movements.
responsible for providing your body with nutrients from food.
Define tissue.
A group of similar cells that perform the same function.
A living thing
responsible for filtering your blood, removing wastes, and heating and cooling your body.
A group of tissues that work together to perform closely related functions.
What is an organ system?
the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
A group of similar cells that perform the same function.
A group of organs that work together in performing vital bodily functions.
all of the bones and muscles in your body and responsible for body structure and movements.
Small grain-shaped organelles that produce proteins for the cell
Cytoplasm
Ribosomes
Lysosomes
Mitochondria
Rigid layer that surrounds the cell of plants and some other organisms such as fungi
Cell Wall
Golgi Apparatus
Chloroplast
Cell Membrane
Large oval structure that acts as the control center of the cell, directing all of the cells’ activities
Vacuole
Ribosome
Golgi Apparatus
Nucleus
Thick, clear, gel-like fluid that fills the region between the cell membrane and the nucleus
Mitochondria
Cytoplasm
Chloroplast
Nucleus
Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions
Mitochondria
Golgi Apparatus
Ribosomes
Endoplasmic Reticulum
An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another
Cell Wall
Endoplasmic Reticulum
Golgi Appartus
Cytoplasm
Organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell
Golgi Apparatus
Lysosome
Endoplasmic Reticulum
Chloroplast
Sac-like organelle that stores water, food, and other materials.
Cell Wall
Nucleus
Ribosome
Vacuole
Organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food
Cell Wall
Chloroplast
Cell organelle which contains chemicals that break down large food particles into smaller ones that can be used by the rest of the cell
Lysosome
Ribosome
Nucleus
Cytoplasm
Semipermeable membrane, surrounding a cell that controls what goes into and out of the cell
Cell Wall
Lysosome
Nucleus
Cell Membrane
Name this organelle
Cell Membrane
Ribosomes
Golgi Body
Chloroplast
Name this organelle
Cell Wall
Mitochondria
Nucleus
Vacuole
Name this organelle
Ribosomes
Vacuole
Nucleus
Chloroplast
What is the LARGE blue circular organelle named?
Nucleus
Golgi Body
Cell Wall
Vacuole
Name this organelle
Cell Wall
Lysosomes
E.R.
Vacuole
What two organelles are NOT in an animal cell?
Cell Membrane and Mitochondria
Nucleus and Ribosomes
Cell Wall and Chloroplasts
Golgi Body and Lysosomes
I am prokaryotic
I am found in extreme ecosystems
What kingdom do I belong to?
A cell that does not have a nucleus is a
Multicelular
Prokaryotic
Eukaryotic
Unicellular
Plant cells and animal cells have similar characteristics. What characteristic do they share that classifies them both into the Eukarya domain?
They are both multicellular
They both have a cell wall
They both have a nucleus in the cells
They both produce their own food
Which list of characteristics describes organisms classified as animals?
Unicellular, prokaryotic, autotrophic
Multicellular, eukaryotic, heterotrophic
Unicellular, eukaryotic, heterotrophic
Multicellular, eukaryotic, autotrophic
An organism that can reproduce asexually and grows from the ground is classified into which kingdom?
Kingdom Fungi
Kingdom Plantae
Kingdom Protista
Kingdom Animalia
This kingdom is home to organisms that are eukaryotes.
Kingdom Animalia
Kingdom Fungi
Kingdom Plantae
Kingdom Protista
