Science — English

What is the term for a substance that changes color in response to pH?
A substance that changes color in response to pH is known as an indicator. These indicators are typically weak acids...
Added: 27 Mar 2000
Updated: 02 Nov 2025
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What is the name of the theory that describes the motion of tectonic plates?
The name of the theory that describes the motion of tectonic plates is plate tectonics. This theory explains how the...
Added: 27 Mar 2000
Updated: 03 Nov 2025
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What is the process by which an organism evolves over time called?
The process by which an organism evolves over time is called evolution. This process encompasses changes in the genetic makeup...
Added: 27 Mar 2000
Updated: 21 Nov 2025
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What type of cell specializes in carrying oxygen throughout the body?
The type of cell that specializes in carrying oxygen throughout the body is called a red blood cell (erythrocyte). These...
Added: 27 Mar 2000
Updated: 07 Nov 2025
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What is the scientific term for the energy required to start a chemical reaction?
The scientific term for the energy required to start a chemical reaction is called activation energy. Activation energy is necessary...
Added: 27 Mar 2000
Updated: 28 Nov 2025
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What planet is known for its prominent rings?
The planet known for its prominent rings is Saturn. Saturn's rings are composed of ice and rock particles ranging in...
Added: 27 Mar 2000
Updated: 12 Nov 2025
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What is the term for the unit that measures the intensity of sound?
The term for the unit that measures the intensity of sound is called a decibel (dB). This logarithmic unit quantifies...
Added: 27 Mar 2000
Updated: 09 Nov 2025
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What is the process called when a cell engulfs a particle?
The process called when a cell engulfs a particle is known as phagocytosis. This cellular mechanism allows specialized cells, such...
Added: 27 Mar 2000
Updated: 07 Nov 2025
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What type of fossil is created when an organism is preserved in amber?
The type of fossil created when an organism is preserved in amber is called an amber fossil. Amber, fossilized tree...
Added: 27 Mar 2000
Updated: 17 Nov 2025
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What is the scientific term for a biological species' ability to produce viable offspring?
The scientific term for a biological species' ability to produce viable offspring is called reproductive success or fitness. This concept...
Added: 27 Mar 2000
Updated: 02 Nov 2025
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What is the name of the chemical that stores genetic information in cells?
The chemical that stores genetic information in cells is deoxyribonucleic acid (DNA). DNA acts as the blueprint for all living...
Added: 27 Mar 2000
Updated: 10 Nov 2025
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What is the name of the tissue that connects muscles to bones?
The name of the tissue that connects muscles to bones is tendons. Tendons are fibrous connective tissues that provide a...
Added: 27 Mar 2000
Updated: 23 Nov 2025
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Which terrestrial planet is known for having a very thick atmosphere?
The terrestrial planet known for having a very thick atmosphere is Venus. Its atmosphere is primarily composed of carbon dioxide,...
Added: 27 Mar 2000
Updated: 04 Nov 2025
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What is the term for the scientific study of matter and its changes?
The term for the scientific study of matter and its changes is called chemistry. Chemistry focuses on the composition, structure,...
Added: 27 Mar 2000
Updated: 17 Nov 2025
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What type of mutation results in a change in the DNA sequence?
A type of mutation that results in a change in the DNA sequence is called a genetic mutation. Mutations can...
Added: 27 Mar 2000
Updated: 20 Nov 2025
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What is the primary chemical process that drives the respiratory cycle?
The primary chemical process that drives the respiratory cycle is cellular respiration. In this process, cells convert glucose and oxygen...
Added: 27 Mar 2000
Updated: 01 Dec 2025
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What is the scientific study of the physical properties of matter?
The scientific study of the physical properties of matter is known as physics. Physics encompasses various concepts, including motion, energy,...
Added: 27 Mar 2000
Updated: 09 Nov 2025
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Which part of the brain is responsible for coordination and balance?
The part of the brain responsible for coordination and balance is the cerebellum. Located at the back of the brain,...
Added: 27 Mar 2000
Updated: 14 Nov 2025
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What is the name of the chemical reaction that absorbs heat?
The name of the chemical reaction that absorbs heat is called an endothermic reaction. In this process, the reactants absorb...
Added: 27 Mar 2000
Updated: 29 Nov 2025
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What is the term for a nonmetal that can conduct electricity?
The term for a nonmetal that can conduct electricity is semiconductor. Semiconductors have properties between those of conductors and insulators,...
Added: 27 Mar 2000
Updated: 24 Nov 2025
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