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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 12 of 12 covers seven completed UTC days.

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Daily round

  1. 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.

  2. Which biology term matches this definition: “a preparation designed to train immune protection against a disease”?

    Answer: Vaccine

    Vaccine is the term for a preparation designed to train immune protection against a disease.

  3. 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.

  4. 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.

  5. 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.

Daily round

  1. 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.

  2. 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.

  3. Which biology term matches this definition: “a DNA-containing structure that carries genetic information”?

    Answer: Chromosome

    Chromosome is the term for a DNA-containing structure that carries genetic information.

  4. 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.

  5. 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.

Daily round

  1. 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.

  2. 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.

  3. Which physics term matches this definition: “a force that opposes relative motion between contacting surfaces”?

    Answer: Friction

    Friction is the term for a force that opposes relative motion between contacting surfaces.

  4. 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.

  5. 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.

Daily round

  1. 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.

  2. Which chemistry term matches this definition: “a chemical bond formed when atoms share electron pairs”?

    Answer: Covalent bond

    Covalent bond is the term for a chemical bond formed when atoms share electron pairs.

  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 region in which magnetic forces act on magnets or moving charges”?

    Answer: Magnetic field

    Magnetic field is the term for the region in which magnetic forces act on magnets or moving charges.

  5. 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.

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 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.

  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 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.

  5. 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.

Daily round

  1. Which physics term matches this definition: “the rate at which work is done or energy is transferred”?

    Answer: Power

    Power is the term for the rate at which work is done or energy is transferred.

  2. Which earth and space science term matches this definition: “rock formed when molten material cools and solidifies”?

    Answer: Igneous rock

    Igneous rock is the term for rock formed when molten material cools and solidifies.

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

    Answer: Pressure

    Pressure is the term for force applied per unit area.

  4. 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.

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

    Answer: Anion

    Anion is the term for a negatively charged ion.

Daily round

  1. Which physics term matches this definition: “mass divided by volume”?

    Answer: Density

    Density is the term for mass divided by volume.

  2. 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.

  3. 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.

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

    Answer: Cation

    Cation is the term for a positively charged ion.

  5. 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.