Science — English

What device converts electrical energy into mechanical energy?
An electric motor is the device that converts electrical energy into mechanical energy. It typically relies on magnetic fields and...
Added: 16 Mar 2000
Updated: 01 Dec 2025
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What structure in the brain is involved in memory formation?
The structure in the brain involved in memory formation is the hippocampus. This region plays a crucial role in the...
Added: 16 Mar 2000
Updated: 10 Nov 2025
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What is the scientific name for the process of breathing?
The scientific name for the process of breathing is respiration. This vital process involves the exchange of gases, typically oxygen...
Added: 16 Mar 2000
Updated: 27 Nov 2025
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What is the name of the phenomenon where light waves spread out from a source?
The phenomenon where light waves spread out from a source is called diffraction. This effect occurs when waves encounter obstacles...
Added: 16 Mar 2000
Updated: 03 Nov 2025
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In chemistry, what do we call the substances that undergo a chemical reaction?
In chemistry, the substances that undergo a chemical reaction are called reactants. These reactants interact to form new substances, known...
Added: 16 Mar 2000
Updated: 09 Nov 2025
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In physics, what is the term for the energy an object has due to its motion?
In physics, the term for the energy an object has due to its motion is called kinetic energy. This energy...
Added: 16 Mar 2000
Updated: 24 Nov 2025
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What is the process by which bacteria convert nitrogen gas into ammonia called?
The process by which bacteria convert nitrogen gas into ammonia is called nitrogen fixation. This important ecological process allows plants...
Added: 16 Mar 2000
Updated: 24 Nov 2025
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What is the term for a trait that improves an organism's ability to survive and reproduce?
A trait that improves an organism's ability to survive and reproduce is called an adaptive trait or adaptation. These traits...
Added: 16 Mar 2000
Updated: 05 Nov 2025
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Which bodily system is responsible for transporting blood throughout the body?
The circulatory system is responsible for transporting blood throughout the body. It consists of the heart, blood vessels, and blood,...
Added: 16 Mar 2000
Updated: 24 Nov 2025
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What is the name given to the reaction that releases energy in the form of heat?
The reaction that releases energy in the form of heat is termed an exothermic reaction. This process occurs during chemical...
Added: 16 Mar 2000
Updated: 20 Nov 2025
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What type of bonding occurs between a metal and a nonmetal?
The type of bonding that occurs between a metal and a nonmetal is known as ionic bonding. This bonding occurs...
Added: 16 Mar 2000
Updated: 04 Nov 2025
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In biology, what type of organism can produce its own food using sunlight?
In biology, an organism that can produce its own food using sunlight is called an autotroph, with plants being a...
Added: 16 Mar 2000
Updated: 18 Nov 2025
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What is the term for the visible spectrum of light?
The term for the visible spectrum of light refers to the range of electromagnetic radiation that human eyes can detect,...
Added: 16 Mar 2000
Updated: 04 Nov 2025
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What is the study of matter and its changes called?
The study of matter and its changes is called chemistry. This scientific discipline explores the composition, structure, properties, and reactions...
Added: 16 Mar 2000
Updated: 07 Nov 2025
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What process occurs when ice changes directly into water vapor without becoming liquid?
The process where ice changes directly into water vapor without becoming liquid is called sublimation. This phase transition occurs under...
Added: 16 Mar 2000
Updated: 05 Nov 2025
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Which gas is known as a greenhouse gas and contributes to global warming?
Carbon dioxide (CO₂) is known as a significant greenhouse gas that contributes to global warming. It traps heat in the...
Added: 16 Mar 2000
Updated: 01 Nov 2025
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What is the term for the human body’s ability to maintain stable internal conditions?
The term for the human body’s ability to maintain stable internal conditions is called homeostasis. This process involves regulating factors...
Added: 16 Mar 2000
Updated: 02 Nov 2025
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In chemistry, what is the term for a solution that can resist changes in pH?
In chemistry, a solution that can resist changes in pH is called a buffer. Buffers maintain stable pH levels in...
Added: 16 Mar 2000
Updated: 08 Nov 2025
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What type of wave requires a medium to travel through?
Mechanical waves require a medium (solid, liquid, or gas) to travel through. Examples include sound waves and seismic waves. In...
Added: 16 Mar 2000
Updated: 09 Nov 2025
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What is the name of the first vaccine developed to prevent smallpox?
The first vaccine developed to prevent smallpox was created by Edward Jenner in 1796. Jenner used material from cowpox lesions...
Added: 16 Mar 2000
Updated: 22 Nov 2025
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