Home > B1 Vocabulary > Basic Scientific Principles and Concepts 0% Basic Scientific Principles and Concepts 1. A ______ is a form of energy transfer that occurs through electromagnetic waves. conduction refraction convection radiation 2. The ______ is the organ in the body responsible for pumping blood. lungs stomach heart liver 3. The ______ is the process by which plants make their own food using sunlight. digestion respiration fermentation photosynthesis 4. The ______ is the force that attracts objects toward the center of the Earth. gravity inertia friction magnetism 5. A ______ is a small unit of life that is the basic building block of all living organisms. atom molecule cell organism 6. A ______ is a scientific instrument used to observe distant celestial objects. barometer telescope microscope spectrometer 7. The ______ is the scientific study of matter and its interactions. physics chemistry biology geology 8. The ______ is the outermost layer of the Earth. core crust mantle asthenosphere 9. The ______ is a unit of measurement for energy. second joule meter liter 10. The ______ is the layer of gases surrounding the Earth. core crust mantle atmosphere 11. A ______ is a group of similar organisms that can reproduce and produce fertile offspring. species family order genus 12. A ______ is a type of cell division that results in two identical daughter cells. meiosis mitosis fission fusion 13. The ______ is a measure of the amount of matter in an object. weight volume mass density 14. A ______ is a substance that speeds up a chemical reaction without being consumed. product solvent catalyst reactant 15. A ______ is a type of rock formed from the cooling and solidification of magma or lava. metamorphic sedimentary volcanic igneous 16. A ______ is a natural satellite that orbits a planet. asteroid comet moon star 17. The ______ is the name of the galaxy that contains our solar system. Andromeda Milky Way Triangulum Whirlpool 18. A ______ is a type of energy associated with motion. kinetic potential chemical thermal Your score is The average score is 0% 0% Restart quiz