Easy Science Knowledge Quiz! Trivia
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Questions and Answers
- 1.
The definition of "a study of the transformation of energy into other manifested forms" best fits which science term?
- A.
Air Mass
- B.
Interstellar
- C.
Bedrock
- D.
Thermodynamics
Correct Answer
D. ThermodynamicsExplanation
Thermodynamics is the study of the transformation of energy into other forms, such as heat, work, or chemical potential energy. It deals with the principles and laws governing energy and its conversion from one form to another. This definition aligns perfectly with the term "thermodynamics," making it the correct answer.Rate this question:
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- 2.
The definition of "radioactive element, found in ores, of which atoms can be split to create energy" best fits which science term?
- A.
Uranium
- B.
Astronomer
- C.
Farsightedness
- D.
Tropical Storm
Correct Answer
A. UraniumExplanation
The correct answer is Uranium because it is a radioactive element that is found in ores and its atoms can be split to create energy. Uranium is commonly used as a fuel in nuclear power plants and is an important element in the field of nuclear energy.Rate this question:
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- 3.
The definition "the process of supplying or removing air by natural or mechanical means" best fits what science term?
- A.
Fuel
- B.
Aerosol
- C.
Ventilation
- D.
Ion
Correct Answer
C. VentilationExplanation
Ventilation is the correct answer because it refers to the process of supplying or removing air by natural or mechanical means. This process is commonly used to ensure air circulation and maintain air quality in enclosed spaces, such as buildings or vehicles. Ventilation plays a crucial role in providing fresh air, regulating temperature, and removing pollutants or odors from an area.Rate this question:
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- 4.
Which of these is a heavy gas used in specialized electric lamps?
- A.
Helium
- B.
Xenon
- C.
Nitrous Oxide
- D.
Hydrogen
Correct Answer
B. XenonExplanation
Xenon is a heavy gas used in specialized electric lamps. It is commonly used in high-intensity discharge (HID) lamps, such as xenon arc lamps and xenon flash lamps. These lamps produce a bright and intense light, making them suitable for applications like cinema projectors, automotive headlights, and high-speed photography. Xenon gas allows for a more efficient and stable operation of these lamps, resulting in a longer lifespan and better performance compared to other gases.Rate this question:
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- 5.
The definition "a pipe, conduit, or channel designed to transport water from a remote source" best describes which science term?
- A.
Eclipse
- B.
Gene Mapping
- C.
Emission Standard
- D.
Aqueduct
Correct Answer
D. AqueductExplanation
An aqueduct is a structure that is specifically designed to transport water from a distant source. It serves as a pipe, conduit, or channel to bring water to areas where it is needed. The other options, eclipse, gene mapping, and emission standard, do not relate to the transportation of water and are therefore not the best descriptions for the given definition.Rate this question:
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- 6.
What is the solid rock beneath the soil and superficial rock called?
- A.
Bedrock
- B.
Molt
- C.
Revolution
- D.
Centrifugal Force
Correct Answer
A. BedrockExplanation
Bedrock refers to the solid rock layer that lies beneath the soil and superficial rock. It is the hard and unweathered rock that forms the foundation of the Earth's crust. Bedrock provides stability and support to the layers above it and is typically composed of consolidated rocks such as granite, limestone, or basalt. It is an essential geological feature that influences the landscape, groundwater flow, and the types of plants and animals that can thrive in an area.Rate this question:
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- 7.
The definition "the process in which a material is worn away by a stream of liquid or air" best fits what science term?
- A.
Sunset
- B.
Cloudburst
- C.
Exercise
- D.
Erosion
Correct Answer
D. ErosionExplanation
Erosion is the correct answer because it refers to the process in which a material is worn away by a stream of liquid or air. Sunset, cloudburst, and exercise do not fit this definition.Rate this question:
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- 8.
The definition of "a geothermal feature of the Earth where an opening in the surface contains superheated water" best fits which science term?
- A.
Barometer
- B.
Geyser
- C.
Carcinogens
- D.
Prism
Correct Answer
B. GeyserExplanation
A geyser is a geothermal feature of the Earth where an opening in the surface contains superheated water. This definition accurately describes a geyser, which is a natural phenomenon where water is heated by geothermal energy and periodically erupts, shooting hot water and steam into the air. A barometer is an instrument used to measure atmospheric pressure, carcinogens are substances that can cause cancer, and a prism is a transparent object that refracts light. None of these terms match the given definition, making geyser the correct answer.Rate this question:
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- 9.
The definition of "a layer of solid material which does not allow water to pass through" best fits which science term?
- A.
Impermeable Layer
- B.
Petrochemicals
- C.
Warm Front
- D.
Cataract
Correct Answer
A. Impermeable LayerExplanation
An impermeable layer refers to a solid material that does not allow water to pass through it. This means that water cannot penetrate or seep through this layer, making it an effective barrier against water flow. Petrochemicals, warm front, and cataract do not fit this definition, as they are unrelated to the concept of preventing water from passing through a solid material.Rate this question:
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- 10.
The definition of "controlled application of water for agricultural purposes" best fits which science term?
- A.
Carbohydrate
- B.
Irrigation
- C.
Ozone
- D.
Fossil Fuel
Correct Answer
B. IrrigationExplanation
Irrigation is the correct answer because it refers to the controlled application of water for agricultural purposes. It involves supplying water to crops or plants in a systematic and controlled manner to ensure their growth and productivity. Carbohydrate, ozone, and fossil fuel do not relate to the given definition.Rate this question:
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- 11.
The definition of "a natural or manmade earthen barrier along the edge of a stream, lake, or river" best fits which science term?
- A.
Galaxy
- B.
Ozone Layer
- C.
Deja Vu
- D.
Levee
Correct Answer
D. LeveeExplanation
A levee is a natural or manmade earthen barrier along the edge of a stream, lake, or river. It is designed to prevent flooding by containing the water within the channel and protecting the surrounding areas. This definition perfectly matches the term "levee," making it the correct answer.Rate this question:
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- 12.
What is a measure of the relative acidity or alkalinity called?
- A.
Element
- B.
Cataract
- C.
Ph
- D.
Carcinogens
Correct Answer
C. PhExplanation
The measure of the relative acidity or alkalinity is called pH. It is a scale that ranges from 0 to 14, where 0 represents highly acidic substances, 7 represents neutral substances, and 14 represents highly alkaline substances. pH is determined by the concentration of hydrogen ions in a solution, with lower pH values indicating higher acidity and higher pH values indicating higher alkalinity.Rate this question:
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- 13.
The definition of "a pond, lake, or basin for the storage, regulation, and control of water" best fits which science term?
- A.
Solar Array
- B.
Frequency
- C.
Warm Front
- D.
Reservoir
Correct Answer
D. ReservoirExplanation
A reservoir is a man-made or natural body of water that is used for storing and regulating water. It is designed to control the flow of water, store it for future use, and regulate its release for various purposes such as irrigation, drinking water supply, or hydroelectric power generation. Therefore, the definition of "a pond, lake, or basin for the storage, regulation, and control of water" best fits the term "reservoir".Rate this question:
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- 14.
The definition of "process of removing salts from water using a membrane" best fits which science term?
- A.
Reverse Osmosis
- B.
Lumen
- C.
Gallon
- D.
Asteroid Belt
Correct Answer
A. Reverse OsmosisExplanation
Reverse osmosis is the process of removing salts from water using a membrane. This process involves applying pressure to the water, forcing it through a semipermeable membrane that allows water molecules to pass through while blocking the salts and other impurities. This term best fits the definition given in the question.Rate this question:
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- 15.
The definition of "a smaller river or stream that flows into a larger river or stream" best fits which science term?
- A.
Latitude
- B.
Tributary
- C.
Ozone Layer
- D.
Blowing Sand
Correct Answer
B. TributaryExplanation
A tributary is a smaller river or stream that flows into a larger river or stream. It is a term commonly used in geography and hydrology to describe the relationship between rivers and their smaller branches. Latitude, ozone layer, and blowing sand are unrelated to this concept and do not fit the given definition.Rate this question:
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