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Question: After months of studying and obtaining data on the behavior of birds, biologists from around the world will look at the data and
Answer: come up with several possible interpretations. |
Question: Which mixture can be easily separated by adding water and pouring it through a coffee filter?
Answer: salt and sand |
Question: Living things depend on energy from
Answer: the Sun |
Question: Research into the total amount of oil available for use around the world can affect what kind of human choice?
Answer: how to travel to work |
Question: Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to produce a saltwater solution. What are the products of this chemical reaction?
Answer: NaCl and H_{2}O |
Question: Which human activity most often has a harmful effect on the environment?
Answer: polluting |
Question: Young frogs do not resemble adult frogs. Which term is given to this pattern of development in frogs?
Answer: metamorphosis |
Question: Bones support the body. What pulls and pushes on bones to move them?
Answer: muscles |
Question: Which statement best describes why a calcium-fortified juice would advertise that it is good for growing children?
Answer: Calcium helps the growth of bones. |
Question: Which of these tectonic plate boundaries is most likely to form a volcano?
Answer: an oceanic plate colliding into a continental plate |
Question: Which of the following is an example of heat transfer by conduction?
Answer: a whole metal spoon getting hot when one end is in hot soup |
Question: Alicia gives her brother a push while he is seated on a swing. She finds that after a few seconds, she needs to push again to keep him going. The reason her brother slows down is because the mechanical energy is converted into
Answer: thermal energy that is released into the atmosphere. |
Question: An example of a learned behavior is a
Answer: dog laying down on command. |
Question: An atom consists of a nucleus surrounded by
Answer: electrons. |
Question: Which of these causes the atmosphere to change?
Answer: increased buildup of greenhouse gases |
Question: Which element is most likely to form an ion with a negative 2 charge?
Answer: oxygen |
Question: Mount St. Helens was a cone-shaped mountain that formed when molten material reached the surface of Earth and formed layers. Cone-shaped mountains form as a result of which one of these events?
Answer: volcanic eruptions |
Question: Which process in the water cycle would be accelerated by an increase in temperature?
Answer: evaporation |
Question: Which of the following foods is highest in polysaccharides?
Answer: potatoes |
Question: Colored alcohol is used in some glass thermometers. When placed in air of different temperatures, the column of alcohol rises or falls in the glass thermometer. Which of the following best explains why the height of the alcohol column changes?
Answer: The alcohol expands more than the glass when heated. |
Question: An organism, such as a nematode worm, may have only 1000 cells. It should be classified as being
Answer: multicellular. |
Question: The Heliocentric Theory, as supported by Copernicus, revolutionized scientific theories regarding
Answer: the solar system. |
Question: Which process causes the leaves of a plant to become larger?
Answer: growth |
Question: Wind changes the surface of Earth. Which of these land formations is a result of transportation and deposition by wind?
Answer: a sand dune |
Question: Water moves by capillary action through soil from moist areas to dry areas. Which property of water is most responsible for this capillary action?
Answer: Water has a high surface tension. |
Question: Which action is the best method to separate a mixture of salt and water?
Answer: boiling the mixture until the water evaporates |
Question: In humans, a trait can be determined by one pair or many pairs of
Answer: genes |
Question: Which animal develops inside its mother before it is born alive?
Answer: Cat |
Question: Which sequence correctly shows the levels of organization for structure and function in a human?
Answer: cell -> tissue -> organ -> organ system |
Question: Which adaptation allows a fish to get oxygen underwater?
Answer: gills |
Question: The number of daylight hours in New York State changes with the
Answer: season of the year |
Question: Which instrument would be used when studying a unit on amphibian anatomy?
Answer: a dissecting kit |
Question: Which is a reason for Arkansas having multiple seasons?
Answer: the tilt of Earth's axis |
Question: Jessica watches the Sun set in the evening sky. What causes the setting of the Sun?
Answer: Earth is rotating on its axis. |
Question: To which planet do National Aeronautics and Space Administration (NASA) scientists hope to send humans next?
Answer: Mars |
Question: Which force keeps the planets in their orbits around the Sun?
Answer: gravity |
Question: The endangered Florida manatee is a large, aquatic mammal that feeds on sea grasses in brackish water. Due to where they like to feed, manatees are vulnerable to injuries from boat propellers. If speed zones requiring boats to maintain a low speed are placed in areas where manatees are known to congregate, wh... |
Question: Which is an example of a different substance being formed?
Answer: wood burning |
Question: A mixture of powdered iron and sulfur is heated. What will be formed?
Answer: a compound |
Question: Scientists can identify an element by looking at the structure of a single
Answer: atom. |
Question: Newly made proteins are modified in which organelle?
Answer: endoplasmic reticulum |
Question: Which of the following is the primary advantage of sexual reproduction when compared to asexual reproduction?
Answer: There is greater genetic variety in offspring. |
Question: By attaching to sharks, remora fish eat the scraps of food left behind when the sharks feed. If remoras were not able to attach to sharks, they would most likely
Answer: not be able to survive. |
Question: Plants need a source of energy in order to perform photosynthesis. From which source do plants receive the energy needed to perform photosynthesis?
Answer: sunlight |
Question: What form of energy is stored in a battery?
Answer: chemical |
Question: When a light bulb is turned on, energy changes from one form to another. Which of the following best describes this change?
Answer: electrical energy to light energy |
Question: Which stimulus causes a porcupine to extend its quills?
Answer: threatening behavior by predators |
Question: When a balloon is filled with air and suddenly released, it will fly around the room as the air escapes. If compared to space transportation, the escaping air is most similar to what subsystem of a spacecraft?
Answer: propulsion |
Question: The Sun appears larger than other stars because of its
Answer: distance from Earth |
Question: How hot is it on the surface of the Sun?
Answer: Much hotter than almost anything on Earth |
Question: Which two observations are both used to describe weather?
Answer: temperature and sky conditions |
Question: A scientist combines oxygen and hydrogen to form water. This combination illustrates that water is
Answer: a compound. |
Question: In a large forest with many animals, there are only a small number of bears. Which of these most likely limits the population of bears in the forest?
Answer: supply of food |
Question: There is a thunderstorm close to your house. The windows rattle at the same time that you hear the thunder. What causes the windows to rattle?
Answer: Sound waves from the thunder |
Question: Rocks in warm and humid environments can be weathered faster than rocks in other environments. Which is most likely the next step in the rock cycle for weathered rocks?
Answer: They become eroded. |
Question: If the solar system were used as a model of an atom, what would the Sun most likely represent?
Answer: a nucleus |
Question: A student provides the following directions for brushing teeth: • Turn on the water. • Fill the glass with water and leave the water running. • Put toothpaste on the toothbrush. • Brush for two minutes. • Rinse mouth with the water from the glass. • Rinse the toothbrush with the running water. • Turn off the ... |
Question: Which of these shows the correct order for the central dogma of molecular biology?
Answer: DNA to RNA to protein |
Question: Meiosis contributes to the process of reproduction by producing what type of cell?
Answer: haploid |
Question: The abundance of a mineral at the surface of Earth most likely depends upon the
Answer: types of elements available in the crust. |
Question: Which has the greatest effect on aiding the movement of blood through the human body?
Answer: gravity |
Question: Why should scientists wear goggles during experiments?
Answer: to protect their eyes |
Question: Which of the following organisms produces energy from sunlight?
Answer: grass |
Question: Which statement is true for all objects?
Answer: All objects have mass. |
Question: Elements in the same column of the Periodic Table of the Elements all
Answer: have similar physical characteristics. |
Question: What is the main function of scales on a fish?
Answer: to protect the fish |
Question: Which invention made mass production possible?
Answer: the assembly line |
Question: What causes a meteoroid to glow as it falls through the atmosphere of Earth?
Answer: friction |
Question: The cheetah population around the world has decreased because of poaching and loss of habitat. The surviving population is found to have similar alleles. Which factor is endangering the species' survival the most?
Answer: shrinking of the gene pool |
Question: What is generated when the students count and record the number of organisms in the pond water?
Answer: data |
Question: The Mariana Trench is the deepest ocean trench on Earth. This trench occurs at a plate boundary where
Answer: one plate is being forced beneath another. |
Question: Students want to find out at which temperature bean plants grow tallest. Which science process skill would be used to find this temperature?
Answer: measuring |
Question: When would the highest tides occur along the Texas coast?
Answer: during a full moon |
Question: Sodium (Na) and chlorine (Cl) combine to form sodium chloride (NaCl), which is commonly known as
Answer: table salt. |
Question: It rained on a hot summer afternoon and a puddle formed. After several hours, the puddle was gone. Which two processes made the puddle form and then disappear?
Answer: precipitation followed by evaporation |
Question: Which environmental problem was directly caused by the invention of the automobile?
Answer: increase in air pollution |
Question: At some places in Florida, sand on the beaches is being reduced. New sand is brought from other areas and spread on the beaches. What process causes this reduction to the beach sand?
Answer: erosion |
Question: Which characteristic of a volvox colony makes it more like a multicellular organism than a simple cluster of unicellular organisms?
Answer: Some cells in the colony are specialized for reproduction. |
Question: Students are investigating which type of fruit attracts the most fruit flies. Equally sized pieces of ripe apple, peach, and banana are placed in separate containers. The containers allow fruit flies to enter, but the fruit flies are unable to escape. The containers are placed outside on a picnic table for tw... |
Question: Malaria is a common disease in many countries. What is the cause of this disease?
Answer: a parasite |
Question: Mold is often found growing on old bread. In a food chain, mold is a ___.
Answer: decomposer |
Question: Which form of energy are x rays and ultraviolet light?
Answer: electromagnetic |
Question: Which of these geographic features most directly influences the climate of Nevada by limiting the amount of water vapor that can reach the state and fall as rain?
Answer: Sierra Nevada Mountains |
Question: Cells come in two basic types, prokaryotic and eukaryotic. Which cell structure is found in both prokaryotic and eukaryotic cells?
Answer: cytoplasm |
Question: From which part of the plant does a bee get food?
Answer: flower |
Question: As Earth revolves around the Sun, the number of daylight hours varies from place to place. In which location would the number of daylight hours remain constant?
Answer: Equator |
Question: Why does tapping a fork against a water glass produce a sound?
Answer: The particles in the objects vibrate. |
Question: A student places a sheet of black construction paper on her desk. What happens to most of the light that strikes the black construction paper?
Answer: The light is absorbed by the paper. |
Question: Which of these groups animals are ALL mammals?
Answer: mouse, monkey, bat |
Question: Which part of a plant cell is responsible for controlling the activities of the other parts of the cell?
Answer: Nucleus |
Question: All metabolic functions fall into one of two categories: a breaking down process (catabolic) or a building up process (anabolic). Which is an example of an anabolic process?
Answer: protein synthesis |
Question: Clearing forests of trees and vegetation for human development can have major impacts on the ecosystem. Which would most likely occur after a forested area is cleared?
Answer: an increase in soil erosion |
Question: Which of these is the most responsible for the changes of the seasons on Earth?
Answer: Tilt of Earth on its axis |
Question: Turning off the light when leaving a room is an example of
Answer: conserving energy. |
Question: Which list contains only things that are part of our solar system?
Answer: planets, moons, comets |
Question: A family installs a new heating system in their home. Which is the most desirable result of the new heating system?
Answer: decreasing the amount of energy used |
Question: The Andes Mountains in South America formed when an oceanic plate shifted beneath a continental plate. Which other landforms are usually associated with this type of plate boundary?
Answer: ocean trenches |
Question: Which of the following animals goes through metamorphosis?
Answer: frog |
Question: Which group of organisms can make food by a process called chemosynthesis?
Answer: producers |
Question: Which of these are broken down during chemical, but not physical, changes?
Answer: compounds |
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