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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 chemistry term matches this definition: “a substance whose atoms from different elements are chemically bonded in fixed proportions”?

    Answer: Compound

    Compound is the term for a substance whose atoms from different elements are chemically bonded in fixed proportions.

  2. Which physics term matches this definition: “the change in a wave’s direction caused by a change in speed between media”?

    Answer: Refraction

    Refraction is the term for the change in a wave’s direction caused by a change in speed between media.

  3. 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.

  4. 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.

  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 biology term matches this definition: “the net movement of particles from higher concentration toward lower concentration”?

    Answer: Diffusion

    Diffusion is the term for the net movement of particles from higher concentration toward lower concentration.

  2. Which chemistry term matches this definition: “an atom of an element with a particular number of neutrons”?

    Answer: Isotope

    Isotope is the term for an atom of an element with a particular number of neutrons.

  3. Which physics term matches this definition: “the SI unit of pressure”?

    Answer: Pascal

    Pascal is the term for the SI unit of pressure.

  4. Which biology term matches this definition: “the transfer of pollen that enables fertilization in seed plants”?

    Answer: Pollination

    Pollination is the term for the transfer of pollen that enables fertilization in seed plants.

  5. Which biology term matches this definition: “the net movement of water across a selectively permeable membrane”?

    Answer: Osmosis

    Osmosis is the term for the net movement of water across a selectively permeable membrane.

Daily round

  1. Which chemistry term matches this definition: “the SI unit for amount of substance, containing a fixed number of entities”?

    Answer: Mole

    Mole is the term for the SI unit for amount of substance, containing a fixed number of entities.

  2. Which biology term matches this definition: “the process by which plants and some other organisms convert light energy into chemical energy”?

    Answer: Photosynthesis

    Photosynthesis is the term for the process by which plants and some other organisms convert light energy into chemical energy.

  3. 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.

  4. Which earth and space science term matches this definition: “the curved path of one object around another under gravity”?

    Answer: Orbit

    Orbit is the term for the curved path of one object around another under gravity.

  5. Which physics term matches this definition: “the rate at which electric charge flows”?

    Answer: Electric current

    Electric current is the term for the rate at which electric charge flows.

Daily round

  1. Which biology term matches this definition: “the process cells use to release usable energy from nutrients”?

    Answer: Cellular respiration

    Cellular respiration is the term for the process cells use to release usable energy from nutrients.

  2. Which biology term matches this definition: “an organism that obtains energy by eating other organisms”?

    Answer: Consumer

    Consumer is the term for an organism that obtains energy by eating other organisms.

  3. Which chemistry term matches this definition: “two or more atoms held together by chemical bonds”?

    Answer: Molecule

    Molecule is the term for two or more atoms held together by chemical bonds.

  4. 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.

  5. Which biology term matches this definition: “the membrane-bound compartment containing most DNA in a eukaryotic cell”?

    Answer: Nucleus

    Nucleus is the term for the membrane-bound compartment containing most DNA in a eukaryotic cell.

Daily round

  1. Which earth and space science term matches this definition: “the transport of weathered rock or soil by water, wind, ice, or gravity”?

    Answer: Erosion

    Erosion is the term for the transport of weathered rock or soil by water, wind, ice, or gravity.

  2. Which physics term matches this definition: “stored energy associated with position or configuration”?

    Answer: Potential energy

    Potential energy is the term for stored energy associated with position or configuration.

  3. Which earth and space science term matches this definition: “water that falls from the atmosphere as rain, snow, sleet, or hail”?

    Answer: Precipitation

    Precipitation is the term for water that falls from the atmosphere as rain, snow, sleet, or hail.

  4. Which earth and space science term matches this definition: “a luminous ball of plasma powered mainly by nuclear fusion”?

    Answer: Star

    Star is the term for a luminous ball of plasma powered mainly by nuclear fusion.

  5. Which chemistry term matches this definition: “the substance dissolved in a solvent”?

    Answer: Solute

    Solute is the term for the substance dissolved in a solvent.

Daily round

  1. Which chemistry term matches this definition: “a physical combination of substances that are not chemically bonded”?

    Answer: Mixture

    Mixture is the term for a physical combination of substances that are not chemically bonded.

  2. 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.

  3. Which physics term matches this definition: “speed measured in a specified direction”?

    Answer: Velocity

    Velocity is the term for speed measured in a specified direction.

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

    Answer: Oxidation

    Oxidation is the term for a process in which a species loses electrons.

  5. 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.

Daily round

  1. Which physics term matches this definition: “energy transferred when a force moves an object through a distance”?

    Answer: Work

    Work is the term for energy transferred when a force moves an object through a distance.

  2. Which biology term matches this definition: “a specialized cell that transmits information through electrical and chemical signals”?

    Answer: Neuron

    Neuron is the term for a specialized cell that transmits information through electrical and chemical signals.

  3. Which earth and space science term matches this definition: “the thick layer of hot rock between Earth’s crust and core”?

    Answer: Mantle

    Mantle is the term for the thick layer of hot rock between Earth’s crust and core.

  4. Which earth and space science term matches this definition: “the change of water vapor into liquid water”?

    Answer: Condensation

    Condensation is the term for the change of water vapor into liquid water.

  5. Which biology term matches this definition: “a unit of heredity encoded in DNA”?

    Answer: Gene

    Gene is the term for a unit of heredity encoded in DNA.