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Easy Science Quizzes & Trivia

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Questions and Answers
  • 1. 

    The science term "sunrise" is best defined as which of these?

    • A.

      Studies Ocean Plants And Animals

    • B.

      The Periodic Rising And Falling Of The Earth's Oceans And Atmosphere

    • C.

      Magnetic Resonance Imaging

    • D.

      Daily Appearance Of The Sun On The Eastern Horizon

    Correct Answer
    D. Daily Appearance Of The Sun On The Eastern Horizon
    Explanation
    The term "sunrise" refers to the daily appearance of the sun on the eastern horizon. This is when the sun becomes visible as it rises above the horizon in the morning. It marks the beginning of daylight and is a natural phenomenon that occurs every day.

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  • 2. 

    The science term "translucent" is best defined as which of these?

    • A.

      Specializes In Soil And Crops

    • B.

      Electrons Emitted From The Surface Of A Cathode

    • C.

      Not Transparent, But Clear Enough To Allow Light To Pass Through

    • D.

      Smallest Of The Body's Blood Vessels

    Correct Answer
    C. Not Transparent, But Clear Enough To Allow Light To Pass Through
    Explanation
    "Translucent" refers to an object or material that is not completely transparent but still allows light to pass through. It means that while the object may not be completely clear or see-through, it is still able to transmit light to some extent. This term is often used to describe substances or materials that are somewhat opaque or hazy, but still allow some degree of light to pass through them.

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  • 3. 

    The science term "tropics" is best defined as which of these?

    • A.

      Nearby Objects To Seem Blurry While Faraway Objects Are Clearer

    • B.

      The Region Of The Earth Located Between The Tropic Of Cancer And The Tropic Of Capricorn

    • C.

      Keep And Protect From Harm, Loss, Or Change

    • D.

      Ground Water That Is Under Pressure When Tapped By A Well

    Correct Answer
    B. The Region Of The Earth Located Between The Tropic Of Cancer And The Tropic Of Capricorn
    Explanation
    The term "tropics" refers to the region of the Earth that is located between the Tropic of Cancer and the Tropic of Capricorn. This region is known for its warm climate and receives direct sunlight throughout the year, resulting in a distinct set of environmental conditions and biodiversity. The Tropic of Cancer and the Tropic of Capricorn are the latitudes where the sun is directly overhead at least once during the year, causing the region between them to have a tropical climate.

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  • 4. 

    The science term "tropical storm" is best defined as which of these?

    • A.

      One-Thousandth Of A Gram

    • B.

      Organization Of Petroleum Exporting Countries

    • C.

      Tropical Cyclone With Sustained Surface Winds Are From 39 To 73 Mph

    • D.

      Energy From The Internal Heat Of The Earth

    Correct Answer
    C. Tropical Cyclone With Sustained Surface Winds Are From 39 To 73 Mph
    Explanation
    A tropical storm is best defined as a tropical cyclone with sustained surface winds ranging from 39 to 73 mph. This term refers to a weather phenomenon characterized by low-pressure systems and strong rotating winds, typically forming over warm ocean waters near the equator. Tropical storms can cause significant damage due to high winds, heavy rainfall, and storm surges, making them a serious threat to coastal areas.

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  • 5. 

    The science term "turbulence" is best defined as which of these?

    • A.

      The Irregular And Instantaneous Motions Of Air

    • B.

      Top Of The Ocean, Where The Water Meets The Atmosphere

    • C.

      66 Feet Or One-Tenth Of A Furlong In Length

    • D.

      Type Of Rock Containing Organic Matter That Produces Large Amounts Of Oil When Heated

    Correct Answer
    A. The Irregular And Instantaneous Motions Of Air
    Explanation
    Turbulence is a scientific term that refers to the irregular and instantaneous motions of air. It is commonly used to describe the chaotic and unpredictable movement of air particles, which can occur in various natural phenomena such as weather patterns, air currents, and fluid dynamics. Turbulence is characterized by its rapid and random fluctuations, making it an essential concept in the study of fluid mechanics and atmospheric science.

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  • 6. 

    The science term "twister" is best defined as which of these?

    • A.

      Meat Eaters

    • B.

      Animal Life

    • C.

      Slang Term For Tornado

    • D.

      The Smallest Unit Of Information That A Computer Can Work With

    Correct Answer
    C. Slang Term For Tornado
    Explanation
    The term "twister" is commonly used as a slang term for a tornado. This term is often used informally to describe a tornado due to its twisting and swirling motion. In the context of science, "twister" does not have any specific meaning or definition related to meat eaters, animal life, or the smallest unit of information that a computer can work with. Therefore, the best definition for "twister" in this context is the slang term for a tornado.

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  • 7. 

    The science term "updraft" is best defined as which of these?

    • A.

      A Small Scale Current Of Air With Vertical Motion

    • B.

      An Extremely Dry Climate

    • C.

      A Wind That Blows From One Direction More Frequently Than Any Other

    • D.

      Heat And Light Radiated From The Sun

    Correct Answer
    A. A Small Scale Current Of Air With Vertical Motion
    Explanation
    An updraft refers to a small-scale current of air with vertical motion. It is a phenomenon where air rises vertically due to temperature differences, creating a current that moves upwards. This upward movement of air is commonly observed in weather systems such as thunderstorms, where warm air rapidly rises, creating a strong updraft. This definition accurately describes the concept of an updraft and distinguishes it from the other options provided, which are unrelated to the vertical motion of air.

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  • 8. 

    The science term "waterspout" is best defined as which of these?

    • A.

      Water Of A Quality Suitable For Drinking

    • B.

      Large Group Aquatic Plants

    • C.

      A Small, Weak Tornado

    • D.

      Angular Distance North Or South Of The Equator

    Correct Answer
    C. A Small, Weak Tornado
    Explanation
    A waterspout is a weather phenomenon characterized by a funnel-shaped cloud that extends downward from a cumuliform cloud and touches the surface of a body of water, such as a lake or ocean. It is formed by the same mechanisms as a tornado, but it occurs over water instead of land. Waterspouts are typically smaller and weaker than tornadoes, but they can still be dangerous to boats and swimmers. Therefore, the correct answer is "A Small, Weak Tornado."

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  • 9. 

    The science term "whiteout" is best defined as which of these?

    • A.

      When Visibility Is Near Zero Due To Blizzard Conditions

    • B.

      Opposite To Ordinary Matter

    • C.

      Studies The Spread Of Diseases

    • D.

      Scattering Of An Electromagnetic Wave As Light

    Correct Answer
    A. When Visibility Is Near Zero Due To Blizzard Conditions
    Explanation
    The term "whiteout" refers to a weather condition in which visibility is severely reduced due to blizzard conditions. During a whiteout, the combination of heavy snowfall, strong winds, and blowing snow creates a complete loss of contrast, making it extremely difficult to see and navigate. This phenomenon is particularly dangerous as it can lead to accidents and disorientation, making it important for individuals to take precautions and stay indoors during such conditions.

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  • 10. 

    The science term "thunder" is best defined as which of these?

    • A.

      5,880,000,000,000 Miles, The Distance Light Travels In A Vacuum In A Year

    • B.

      Sound Emitted By Rapidly Expanding Gases Along The Channel Of Lightning

    • C.

      Angular Distance North Or South Of The Equator

    • D.

      A Quantitative Limit On The Emission Of A Potentially Toxic Substance From A Source

    Correct Answer
    B. Sound Emitted By Rapidly Expanding Gases Along The Channel Of Lightning
    Explanation
    Thunder is best defined as the sound emitted by rapidly expanding gases along the channel of lightning. It is the result of the rapid heating and expansion of air surrounding a lightning bolt, causing a shock wave that produces the characteristic booming sound. The other options provided in the question do not accurately define thunder.

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  • 11. 

    The science term "magnum" is best defined as which of these?

    • A.

      Two-Quart Bottle

    • B.

      Formed After A Supernova Explodes And Shrinks

    • C.

      A Character Encoding Scheme Used By Many Computers

    • D.

      Well-Defined Cloud Mass That Can Be Observed At A Distance

    Correct Answer
    A. Two-Quart Bottle
    Explanation
    The term "magnum" is commonly used to refer to a two-quart bottle. This is the best definition among the given options as the other options do not accurately describe the term "magnum". A "magnum" in this context is a specific volume measurement for a bottle, commonly used for wine or champagne.

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  • 12. 

    The science term "hand" is best defined as which of these?

    • A.

      The Height Above Sea Level

    • B.

      Potential Cancer-Causing Agents In The Environment

    • C.

      Transfer Of Heat Through A Substance By Molecular Action

    • D.

      4 Inches Or 10.16 Cm. Used For Measuring The Height Of Horses

    Correct Answer
    D. 4 Inches Or 10.16 Cm. Used For Measuring The Height Of Horses
  • 13. 

    What is the best definition of the word "bolt"?

    • A.

      Extremely Large Exploding Star

    • B.

      Matter That Flows Easily And Takes On The Shape Of The Container Which Holds It

    • C.

      40 Yards, Used For Measuring Cloth

    • D.

      Study Of Creating A Computer That Can Think Like A Human

    Correct Answer
    C. 40 Yards, Used For Measuring Cloth
    Explanation
    The word "bolt" is best defined as "40 Yards, Used For Measuring Cloth." This definition refers to a unit of measurement commonly used in the textile industry to measure the length of fabric. It is not related to exploding stars, the flow of matter, or the study of artificial intelligence.

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  • 14. 

    What is the best definition of the word "acre"?

    • A.

      An Area Of 43,560 Square Feet

    • B.

      Movement Of Heat From One Place To Another

    • C.

      A Small, Weak Tornado

    • D.

      Unit Of Illumination Equal To The Direct Illumination On A Surface

    Correct Answer
    A. An Area Of 43,560 Square Feet
    Explanation
    The best definition of the word "acre" is an area of 43,560 square feet.

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  • 15. 

    The definition of "complete rotation of the earth in relation to the sun" best fits which science term?

    • A.

      Clinical Trials

    • B.

      Rotation

    • C.

      Flatulence

    • D.

      Solar Day

    Correct Answer
    D. Solar Day
    Explanation
    A complete rotation of the earth in relation to the sun is best described as a "solar day". A solar day is the time it takes for the earth to complete one full rotation on its axis in relation to the sun. This is the basis for our 24-hour day and night cycle. The other options, clinical trials, rotation, and flatulence, are not related to the concept of the earth's rotation in relation to the sun.

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  • 16. 

    The science term "silica" is best defined as which of these?

    • A.

      Hydrocarbon Gas Found In The Earth Along With Natural Gas And Oil

    • B.

      Chemical Combination Of Silicon And Oxygen

    • C.

      A Tank Used To Detain Domestic Wastes

    • D.

      An Instrument Used For Measuring Temperature

    Correct Answer
    B. Chemical Combination Of Silicon And Oxygen
    Explanation
    Silica is best defined as a chemical combination of silicon and oxygen. Silica is a mineral compound that is composed of silicon and oxygen atoms. It is commonly found in the Earth's crust and is a major component of sand, rocks, and minerals. Silica has various uses in industries such as construction, ceramics, electronics, and pharmaceuticals. It is also known for its properties such as high melting point, hardness, and resistance to chemical reactions.

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  • 17. 

    The science term "EER (Energy Efficiency Ratio)" is best defined as which of these?

    • A.

      Tropical Cyclone With Sustained Winds Of 74mph In Western North Pacific Ocean

    • B.

      Electrons Emitted From The Surface Of A Cathode

    • C.

      Sudden Significant Increase In Or Rapid Fluctuations Of Wind Speed

    • D.

      The Ratio Of Cooling Capacity Of An Air Conditioning

    Correct Answer
    D. The Ratio Of Cooling Capacity Of An Air Conditioning
    Explanation
    The term "EER (Energy Efficiency Ratio)" refers to the ratio of cooling capacity of an air conditioning system to the amount of electrical energy it consumes. It is a measure of how efficiently an air conditioning unit can cool a space in relation to the amount of energy it uses. A higher EER indicates a more energy-efficient air conditioner, as it can provide the same level of cooling with less energy consumption.

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  • 18. 

    The science term "syncrude" is best defined as which of these?

    • A.

      Science Of Raising Plants And/Or Animals For Useful Products

    • B.

      Synthetic Crude Oil Made From Coal Of From Oil Shale

    • C.

      Risk Of Exposure To Harmful Bacteria, Viruses, Or Other Dangerous Risk Of Exposure To Harmful Bacteria, Viruses, Or Other Dangerous Biological Agents

    • D.

      Main Structural Molecule In Hair And Nails

    Correct Answer
    B. Synthetic Crude Oil Made From Coal Of From Oil Shale
    Explanation
    Syncrude is a term used in the oil industry to refer to synthetic crude oil that is produced from coal or oil shale. It is a type of crude oil that is manufactured rather than being naturally occurring. This process involves converting coal or oil shale into a liquid form that can be used as a fuel source. Syncrude is an important resource as it provides an alternative to conventional crude oil and can help meet energy demands.

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  • 19. 

    The science term "density" is best defined as which of these?

    • A.

      Machine Capable Of Performing Tasks Automatically

    • B.

      Physical Substance Having Mass And Occupying Space

    • C.

      The Ratio Of The Mass Of A Substance To The Volume It Occupies

    • D.

      Something Acquired While The Individual Was Developing In The Uterus

    Correct Answer
    C. The Ratio Of The Mass Of A Substance To The Volume It Occupies
    Explanation
    Density is defined as the ratio of the mass of a substance to the volume it occupies. This means that density is a measure of how much mass is packed into a given volume of a substance. It is a characteristic property of a material and can be used to identify and compare different substances.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 18, 2015
    Quiz Created by
    Alfredhook3
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