ACT Science Review Questions and Answers 2022
Atria Correct Answer: Upper chambers of the heart
Base Correct Answer: A substance that decreases the hydrogen ion concentration
in a solution.
Calibration Correct Answer: Any procedure used to evaluate the accuracy of a
measurement system and, when sources of error are found, to use that information
to correct or improve the measuring system
Capillaries Correct Answer: Microscopic vessel through which exchanges take
place between the blood and cells of the body
Catalyst Correct Answer: (chemistry) a substance that initiates or accelerates a
chemical reaction without itself being affected
Celestial Equator Correct Answer: An imaginary circle created by extending
Earth's equator into space
Celestial poles Correct Answer: Projection of Earth's North and South Poles onto
the celestial sphere. Creates North and South celestial pole.
Celestial sphere Correct Answer: An imaginary sphere surrounding Earth to which
the stars are attached
Cell membrane Correct Answer: A cell structure that controls which substances
can enter or leave the cell.
Cell wall Correct Answer: A rigid layer of nonliving material that surrounds the
cells of plants and some other organisms.
Centripetal force Correct Answer: An attitude that tends to unify people and
enhance support for a state
Chemical change Correct Answer: A change in matter that produces one or more
new substances
, Chromosome Correct Answer: A threadlike, gene-carrying structure found in the
nucleus. Each chromosome consists of one very long DNA molecule and
associated proteins.
Component Correct Answer: A part or element of a larger whole.
Compound Correct Answer: A substance made up of atoms of two or more
different elements joined by chemical bonds
Concentration Correct Answer: A measurement of how much solute exists within
a certain volume of solvent
Conclusion Correct Answer: A _____ at the end of a DBQ essay is not required
for points but it can be used to help reiterate your thesis or perhaps to get certain
expanded core points.
Constellation Correct Answer: A group of stars that form a pattern in the sky
Continental Rift Correct Answer: A linear belt along which continental lithosphere
stretches and pulls apart
Convergent Boundary Correct Answer: A plate boundary where two plates move
toward each other.
Cosmology Correct Answer: study of the universe
Crystal Correct Answer: An orderly, three-dimensional pattern of ions or atoms in
a solid
Current Correct Answer: A flow of electric charge.
Cuticle Correct Answer: A waxy covering on the surface of stems and leaves that
acts as an adaptation to prevent desiccation in terrestrial plants.
Cytoplasm Correct Answer: A jellylike fluid inside the cell in which the
organelles are suspended
Cytoskeleton Correct Answer: A network of fibers that holds the cell together,
helps the cell to keep its shape, and aids in movement
Atria Correct Answer: Upper chambers of the heart
Base Correct Answer: A substance that decreases the hydrogen ion concentration
in a solution.
Calibration Correct Answer: Any procedure used to evaluate the accuracy of a
measurement system and, when sources of error are found, to use that information
to correct or improve the measuring system
Capillaries Correct Answer: Microscopic vessel through which exchanges take
place between the blood and cells of the body
Catalyst Correct Answer: (chemistry) a substance that initiates or accelerates a
chemical reaction without itself being affected
Celestial Equator Correct Answer: An imaginary circle created by extending
Earth's equator into space
Celestial poles Correct Answer: Projection of Earth's North and South Poles onto
the celestial sphere. Creates North and South celestial pole.
Celestial sphere Correct Answer: An imaginary sphere surrounding Earth to which
the stars are attached
Cell membrane Correct Answer: A cell structure that controls which substances
can enter or leave the cell.
Cell wall Correct Answer: A rigid layer of nonliving material that surrounds the
cells of plants and some other organisms.
Centripetal force Correct Answer: An attitude that tends to unify people and
enhance support for a state
Chemical change Correct Answer: A change in matter that produces one or more
new substances
, Chromosome Correct Answer: A threadlike, gene-carrying structure found in the
nucleus. Each chromosome consists of one very long DNA molecule and
associated proteins.
Component Correct Answer: A part or element of a larger whole.
Compound Correct Answer: A substance made up of atoms of two or more
different elements joined by chemical bonds
Concentration Correct Answer: A measurement of how much solute exists within
a certain volume of solvent
Conclusion Correct Answer: A _____ at the end of a DBQ essay is not required
for points but it can be used to help reiterate your thesis or perhaps to get certain
expanded core points.
Constellation Correct Answer: A group of stars that form a pattern in the sky
Continental Rift Correct Answer: A linear belt along which continental lithosphere
stretches and pulls apart
Convergent Boundary Correct Answer: A plate boundary where two plates move
toward each other.
Cosmology Correct Answer: study of the universe
Crystal Correct Answer: An orderly, three-dimensional pattern of ions or atoms in
a solid
Current Correct Answer: A flow of electric charge.
Cuticle Correct Answer: A waxy covering on the surface of stems and leaves that
acts as an adaptation to prevent desiccation in terrestrial plants.
Cytoplasm Correct Answer: A jellylike fluid inside the cell in which the
organelles are suspended
Cytoskeleton Correct Answer: A network of fibers that holds the cell together,
helps the cell to keep its shape, and aids in movement
