Science — English

What type of energy is produced when a fuel is burned?
The type of energy produced when a fuel is burned is known as thermal energy or heat energy. This energy...
Added: 20 Apr 2000
Updated: 03 Nov 2025
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Which scientific model explains the behavior of very small particles?
The scientific model that explains the behavior of very small particles is the quantum model, or quantum mechanics. This model...
Added: 20 Apr 2000
Updated: 13 Nov 2025
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What is the scientific principle that explains how forces act on objects in motion?
The scientific principle explaining how forces act on objects in motion is known as Newton's Laws of Motion. Specifically, the...
Added: 20 Apr 2000
Updated: 04 Nov 2025
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What do we call the scale that measures the acidity or alkalinity of a solution?
The scale that measures the acidity or alkalinity of a solution is known as the pH scale. This logarithmic scale...
Added: 20 Apr 2000
Updated: 20 Nov 2025
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What is the main function of the reproductive system in animals?
The main function of the reproductive system in animals is to ensure species propagation through reproduction. This system enables the...
Added: 20 Apr 2000
Updated: 06 Nov 2025
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What is the term for the first scientific method of classifying living organisms?
The term for the first scientific method of classifying living organisms is taxonomy. Taxonomy involves categorizing organisms into hierarchical groups...
Added: 20 Apr 2000
Updated: 11 Nov 2025
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What is the name given to the smallest particle of an element that retains its properties?
The name given to the smallest particle of an element that retains its properties is an atom. Atoms are the...
Added: 20 Apr 2000
Updated: 14 Nov 2025
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What is the primary source of oxygen produced by photosynthesis?
The primary source of oxygen produced by photosynthesis is derived from water (H2O). During photosynthesis, plants, algae, and some bacteria...
Added: 20 Apr 2000
Updated: 21 Nov 2025
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What major event intensified the understanding of genetic diversity and mutations?
The major event that intensified the understanding of genetic diversity and mutations was the Human Genome Project (HGP). Launched in...
Added: 20 Apr 2000
Updated: 10 Nov 2025
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What is the scientific name for a solution where the concentration of solute is greater than the solvent?
The scientific name for a solution where the concentration of solute is greater than the solvent is referred to as...
Added: 20 Apr 2000
Updated: 02 Nov 2025
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What is the phenomenon of light reflecting off a surface called?
The phenomenon of light reflecting off a surface is called reflection. Reflection occurs when light rays bounce off a surface...
Added: 20 Apr 2000
Updated: 07 Nov 2025
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What is the term for a substance that inhibits a chemical reaction?
The term for a substance that inhibits a chemical reaction is called an inhibitor. Inhibitors can slow down or prevent...
Added: 20 Apr 2000
Updated: 26 Nov 2025
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What is the study of bones known as?
The study of bones is known as osteology. Osteology encompasses the examination of bone structure, function, development, and pathology. It...
Added: 20 Apr 2000
Updated: 16 Nov 2025
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What type of electromagnetic radiation is used in medical imaging?
The type of electromagnetic radiation used in medical imaging is X-rays. X-rays are a form of high-energy radiation that can...
Added: 20 Apr 2000
Updated: 07 Nov 2025
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What is the primary source of genetic diversity in a population?
The primary source of genetic diversity in a population comes from mutations. Mutations are changes in the DNA sequence that...
Added: 20 Apr 2000
Updated: 26 Nov 2025
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What do you call the collective behaviors and actions of all organisms in a community?
The collective behaviors and actions of all organisms in a community is referred to as an ecosystem. Ecosystems encompass interactions...
Added: 20 Apr 2000
Updated: 07 Nov 2025
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What process do cells use to convert glucose into energy in the absence of oxygen?
The process cells use to convert glucose into energy in the absence of oxygen is called anaerobic respiration. This process...
Added: 20 Apr 2000
Updated: 03 Nov 2025
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In what form of matter are molecules most closely packed together?
In the form of matter where molecules are most closely packed together is solid. In solids, molecules are tightly packed...
Added: 20 Apr 2000
Updated: 23 Nov 2025
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What is the term for tissues that carry messages from the brain to the rest of the body?
The term for tissues that carry messages from the brain to the rest of the body is nervous tissue. Nervous...
Added: 20 Apr 2000
Updated: 11 Nov 2025
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What chemical compound is produced as a byproduct of fermentation?
The chemical compound produced as a byproduct of fermentation is primarily ethanol or alcohol. Fermentation is an anaerobic process where...
Added: 20 Apr 2000
Updated: 15 Nov 2025
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