science (use "-" for spaces)

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Across
  1. 7. The branch of mechanics that deals with the motion of objects without considering the forces that cause the motion.
  2. 8. The rate at which an object changes its velocity over time.
  3. 9. Objects that produce a magnetic field and attract or repel other magnets.
  4. 10. The visible surface of the Sun.
  5. 11. The branch of science that deals with the relations between heat and other forms of energy.
  6. 12. The genetic material that carries genetic information in organisms.
  7. 14. A process that leads to the transformation of one set of chemical substances to another.
  8. 16. The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
  9. 17. A community of living organisms and their physical environment.
  10. 18. A force that attracts two bodies towards each other.
  11. 20. A device used to magnify small objects or organisms.
  12. 21. Cells in the nervous system that transmit information through electrical and chemical signals.
  13. 24. The collection of planets and other celestial bodies that orbit around the Sun.
  14. 25. The theory that explains how the Earth's crust is composed of a series of plates that move and interact with each other.
Down
  1. 1. The branch of physics that studies the behavior of matter and energy at the smallest scales.
  2. 2. Three fundamental laws of motion that describe the relationship between an object and the forces acting upon it.
  3. 3. Fuels that are formed from the remains of dead plants and animals, such as coal, oil, and natural gas.
  4. 4. Subatomic particles with a negative charge that orbit the nucleus of an atom.
  5. 5. range of all types of electromagnetic radiation.
  6. 6. A large area of the earth's surface that is characterized by its distinct climate and vegetation.
  7. 13. Massive systems of stars, gas, and dust held together by gravity.
  8. 15. The system of organs and vessels responsible for circulating blood and nutrients throughout the body.
  9. 19. The study of genes, heredity, and variation in living organisms.
  10. 22. The process by which the nucleus of an atom emits radiation.
  11. 23. The smallest unit of matter that retains the properties of an element.