Physical Science

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Across
  1. 6. Variable- The factor that a researcher manipulates or changes to observe its effect on another variable.
  2. 10. The smallest unit of a chemical element, made up of a central nucleus surrounded by electrons.
  3. 11. A state of matter that has a definite volume, but no fixed shape.
  4. 13. The outputs of a scientific inquiry and the physical material used in research
  5. 14. A substance ability to ignite and continue burning when exposed to an ignition source.
  6. 19. The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  7. 20. violet- A type of electromagnetic radiation with wavelengths shorter than visible light, but longer than X-Rays.
  8. 22. Energy or particles from a source that travel through space or other mediums.
  9. 23. An electromagnetic wave of high energy and very short wavelength.
  10. 24. A substance made from two or more different elements that have been chemically joined.
  11. 25. The measure of the gravitational force acting on an object.
Down
  1. 1. the amount of three- dimensional space occupied by a substance or object.
  2. 2. Is a chemical element.
  3. 3. A measure of how much matter is packed into a given space, also known as mass per unit.
  4. 4. The transfer of thermal energy from one object or system to another due to a temperature difference.
  5. 5. A type of research that explores and provides deeper insights into real world- problems.
  6. 7. An instrument for determining temperature.
  7. 8. The ability of a substance (the solute) to dissolve in another substance ( the solvent) and form a solution.
  8. 9. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  9. 12. A negatively charged, sub-atomic partial that orbits the nucleus of an atom.
  10. 15. Energy- The energy an object possesses due to its motion.
  11. 16. Vertical Axis
  12. 17. The curved path of a celestial object or spacecraft around a star,planet, or moon especially a periodic elliptical revolution.
  13. 18. The standard unit of energy or work in the international system of Units (SI)
  14. 21. Boiling happens when liquid becomes gas, forming bubbles inside the liquid volume.