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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 1 of 12 covers seven completed UTC days.

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Daily round

  1. 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.

  2. 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.

  3. 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.

  4. Which earth and space science term matches this definition: “the breakdown of rock at or near Earth’s surface”?

    Answer: Weathering

    Weathering is the term for the breakdown of rock at or near Earth’s surface.

  5. Which physics term matches this definition: “the rate at which velocity changes over time”?

    Answer: Acceleration

    Acceleration is the term for the rate at which velocity changes over time.

Daily round

  1. 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.

  2. Which chemistry term matches this definition: “a highly reactive metal element in group 1, excluding hydrogen”?

    Answer: Alkali metal

    Alkali metal is the term for a highly reactive metal element in group 1, excluding hydrogen.

  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 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.

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

    Answer: Joule

    Joule is the term for the SI unit of energy and work.

Daily round

  1. 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.

  2. 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.

  3. 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.

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

    Answer: Cation

    Cation is the term for a positively charged ion.

  5. 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.

Daily round

  1. 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.

  2. 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.

  3. Which earth and space science term matches this definition: “the streak of light produced when a space particle heats in an atmosphere”?

    Answer: Meteor

    Meteor is the term for the streak of light produced when a space particle heats in an atmosphere.

  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 physics term matches this definition: “force applied per unit area”?

    Answer: Pressure

    Pressure is the term for force applied per unit area.

Daily round

  1. 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.

  2. 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.

  3. Which physics term matches this definition: “the number of repeating cycles per unit of time”?

    Answer: Frequency

    Frequency is the term for the number of repeating cycles per unit of time.

  4. 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.

  5. 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.

Daily round

  1. 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.

  2. 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.

  3. 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.

  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 cellular structure that assembles proteins”?

    Answer: Ribosome

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

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

    Answer: Pascal

    Pascal is the term for the SI unit of pressure.

  3. Which biology term matches this definition: “the natural environment in which an organism lives”?

    Answer: Habitat

    Habitat is the term for the natural environment in which an organism lives.

  4. 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.

  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.