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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 6 of 12 covers seven completed UTC days.

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Daily round

  1. Which earth and space science term matches this definition: “a relatively small rocky or metallic object orbiting the Sun”?

    Answer: Asteroid

    Asteroid is the term for a relatively small rocky or metallic object orbiting the Sun.

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

    Answer: Evaporation

    Evaporation is the term for the change of liquid water into water vapor at its surface.

  3. 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.

  4. 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.

  5. Which chemistry term matches this definition: “the principle that total mass remains constant in a closed-system chemical reaction”?

    Answer: Conservation of mass

    Conservation of mass is the term for the principle that total mass remains constant in a closed-system chemical reaction.

Daily round

  1. Which chemistry term matches this definition: “a positively charged ion”?

    Answer: Cation

    Cation is the term for a positively charged ion.

  2. Which earth and space science term matches this definition: “a vast gravitationally bound system of stars, gas, dust, and dark matter”?

    Answer: Galaxy

    Galaxy is the term for a vast gravitationally bound system of stars, gas, dust, and dark matter.

  3. Which physics term matches this definition: “energy associated with motion”?

    Answer: Kinetic energy

    Kinetic energy is the term for energy associated with motion.

  4. 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.

  5. Which biology term matches this definition: “the maintenance of relatively stable internal conditions in an organism”?

    Answer: Homeostasis

    Homeostasis is the term for the maintenance of relatively stable internal conditions in an organism.

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 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.

  3. Which chemistry term matches this definition: “the smallest unit of an element that retains that element’s chemical properties”?

    Answer: Atom

    Atom is the term for the smallest unit of an element that retains that element’s chemical properties.

  4. Which earth and space science term matches this definition: “an icy body that can form a glowing coma and tails near the Sun”?

    Answer: Comet

    Comet is the term for an icy body that can form a glowing coma and tails near the Sun.

  5. Which chemistry term matches this definition: “the principle that total mass remains constant in a closed-system chemical reaction”?

    Answer: Conservation of mass

    Conservation of mass is the term for the principle that total mass remains constant in a closed-system chemical reaction.

Daily round

  1. Which biology term matches this definition: “an organism that breaks down dead material and recycles nutrients”?

    Answer: Decomposer

    Decomposer is the term for an organism that breaks down dead material and recycles nutrients.

  2. Which physics term matches this definition: “electric potential difference between two points”?

    Answer: Voltage

    Voltage is the term for electric potential difference between two points.

  3. 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.

  4. Which biology term matches this definition: “the maintenance of relatively stable internal conditions in an organism”?

    Answer: Homeostasis

    Homeostasis is the term for the maintenance of relatively stable internal conditions in an organism.

  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.

Daily round

  1. 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.

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

    Answer: Anion

    Anion is the term for a negatively charged ion.

  3. 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.

  4. Which physics term matches this definition: “a measure of how strongly a material or component opposes electric current”?

    Answer: Resistance

    Resistance is the term for a measure of how strongly a material or component opposes electric current.

  5. 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.

Daily round

  1. 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.

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

    Answer: Pascal

    Pascal is the term for the SI unit of pressure.

  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 earth and space science term matches this definition: “Earth’s central region, made mainly of iron and nickel”?

    Answer: Core

    Core is the term for Earth’s central region, made mainly of iron and nickel.

Daily round

  1. Which biology term matches this definition: “the cellular structure that assembles proteins”?

    Answer: Ribosome

    Ribosome is the term for the cellular structure that assembles proteins.

  2. Which chemistry term matches this definition: “an element in group 18, whose atoms have filled outer electron shells”?

    Answer: Noble gas

    Noble gas is the term for an element in group 18, whose atoms have filled outer electron shells.

  3. Which chemistry term matches this definition: “the chart that organizes chemical elements by atomic number and recurring properties”?

    Answer: Periodic table

    Periodic table is the term for the chart that organizes chemical elements by atomic number and recurring properties.

  4. Which earth and space science term matches this definition: “the spinning of an object around its axis”?

    Answer: Rotation

    Rotation is the term for the spinning of an object around its axis.

  5. 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.