Seven days of questions and answers

Science Trivia Answers Archive

Review earlier daily rounds, reveal the correct answer, and use the short explanation to learn the fact behind each question. Page 5 of 12 covers seven completed UTC days.

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Daily round

  1. Which biology term matches this definition: “a biological catalyst that speeds a chemical reaction”?

    Answer: Enzyme

    Enzyme is the term for a biological catalyst that speeds a chemical reaction.

  2. Which earth and space science term matches this definition: “the continuous movement of water among Earth’s surface, atmosphere, and subsurface”?

    Answer: Water cycle

    Water cycle is the term for the continuous movement of water among Earth’s surface, atmosphere, and subsurface.

  3. Which biology term matches this definition: “an inherited feature that improves survival or reproduction in a particular environment”?

    Answer: Adaptation

    Adaptation is the term for an inherited feature that improves survival or reproduction in a particular environment.

  4. Which earth and space science term matches this definition: “a large moving section of Earth’s rigid outer shell”?

    Answer: Tectonic plate

    Tectonic plate is the term for a large moving section of Earth’s rigid outer shell.

  5. Which physics term matches this definition: “a material through which electric charge can move readily”?

    Answer: Conductor

    Conductor is the term for a material through which electric charge can move readily.

Daily round

  1. Which earth and space science term matches this definition: “rock formed when accumulated sediment becomes compacted and cemented”?

    Answer: Sedimentary rock

    Sedimentary rock is the term for rock formed when accumulated sediment becomes compacted and cemented.

  2. Which chemistry term matches this definition: “an atom or molecule with a net electric charge”?

    Answer: Ion

    Ion is the term for an atom or molecule with a net electric charge.

  3. Which earth and space science term matches this definition: “the envelope of gases surrounding a planet”?

    Answer: Atmosphere

    Atmosphere is the term for the envelope of gases surrounding a planet.

  4. Which physics term matches this definition: “the capacity of a system to do work or cause change”?

    Answer: Energy

    Energy is the term for the capacity of a system to do work or cause change.

  5. Which biology term matches this definition: “a community of organisms interacting with its physical environment”?

    Answer: Ecosystem

    Ecosystem is the term for a community of organisms interacting with its physical environment.

Daily round

  1. Which physics term matches this definition: “the product of an object’s mass and velocity”?

    Answer: Momentum

    Momentum is the term for the product of an object’s mass and velocity.

  2. Which physics term matches this definition: “a material that strongly resists the movement of electric charge”?

    Answer: Insulator

    Insulator is the term for a material that strongly resists the movement of electric charge.

  3. Which biology term matches this definition: “a network of linked feeding relationships in an ecosystem”?

    Answer: Food web

    Food web is the term for a network of linked feeding relationships in an ecosystem.

  4. Which physics term matches this definition: “the attraction between objects that have mass”?

    Answer: Gravity

    Gravity is the term for the attraction between objects that have mass.

  5. Which earth and space science term matches this definition: “one complete orbital journey of an object around another”?

    Answer: Revolution

    Revolution is the term for one complete orbital journey of an object around another.

Daily round

  1. Which physics term matches this definition: “a push or pull that can change an object’s motion”?

    Answer: Force

    Force is the term for a push or pull that can change an object’s motion.

  2. Which biology term matches this definition: “differential survival and reproduction associated with inherited traits”?

    Answer: Natural selection

    Natural selection is the term for differential survival and reproduction associated with inherited traits.

  3. Which physics term matches this definition: “the spreading of waves around obstacles or through openings”?

    Answer: Diffraction

    Diffraction is the term for the spreading of waves around obstacles or through openings.

  4. Which chemistry term matches this definition: “a negatively charged ion”?

    Answer: Anion

    Anion is the term for a negatively charged ion.

  5. Which physics term matches this definition: “the SI unit of power”?

    Answer: Watt

    Watt is the term for the SI unit of power.

Daily round

  1. Which chemistry term matches this definition: “a process in which a species gains electrons”?

    Answer: Reduction

    Reduction is the term for a process in which a species gains electrons.

  2. Which chemistry term matches this definition: “a substance that increases reaction rate without being consumed overall”?

    Answer: Catalyst

    Catalyst is the term for a substance that increases reaction rate without being consumed overall.

  3. Which biology term matches this definition: “the organelle that produces much of a eukaryotic cell’s usable energy”?

    Answer: Mitochondrion

    Mitochondrion is the term for the organelle that produces much of a eukaryotic cell’s usable energy.

  4. Which chemistry term matches this definition: “a starting substance that is changed during a chemical reaction”?

    Answer: Reactant

    Reactant is the term for a starting substance that is changed during a chemical reaction.

  5. Which biology term matches this definition: “a body structure made of multiple tissue types working together”?

    Answer: Organ

    Organ is the term for a body structure made of multiple tissue types working together.

Daily round

  1. Which chemistry term matches this definition: “the electrostatic attraction between oppositely charged ions”?

    Answer: Ionic bond

    Ionic bond is the term for the electrostatic attraction between oppositely charged ions.

  2. Which chemistry term matches this definition: “a reactive nonmetal element in group 17”?

    Answer: Halogen

    Halogen is the term for a reactive nonmetal element in group 17.

  3. Which chemistry term matches this definition: “a reaction that releases energy to its surroundings”?

    Answer: Exothermic reaction

    Exothermic reaction is the term for a reaction that releases energy to its surroundings.

  4. Which biology term matches this definition: “a group of similar cells working together to perform a function”?

    Answer: Tissue

    Tissue is the term for a group of similar cells working together to perform a function.

  5. Which earth and space science term matches this definition: “Earth’s thin outermost solid layer”?

    Answer: Crust

    Crust is the term for Earth’s thin outermost solid layer.

Daily round

  1. Which biology term matches this definition: “a nucleic acid involved in gene expression and protein synthesis”?

    Answer: RNA

    RNA is the term for a nucleic acid involved in gene expression and protein synthesis.

  2. Which earth and space science term matches this definition: “a large rounded body orbiting a star that does not produce energy by stellar fusion”?

    Answer: Planet

    Planet is the term for a large rounded body orbiting a star that does not produce energy by stellar fusion.

  3. Which physics term matches this definition: “the tendency of an object to resist a change in its motion”?

    Answer: Inertia

    Inertia is the term for the tendency of an object to resist a change in its motion.

  4. Which chemistry term matches this definition: “a homogeneous mixture in which one or more substances are dissolved”?

    Answer: Solution

    Solution is the term for a homogeneous mixture in which one or more substances are dissolved.

  5. Which earth and space science term matches this definition: “the long-term pattern of weather conditions in a region”?

    Answer: Climate

    Climate is the term for the long-term pattern of weather conditions in a region.