Science

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Across
  1. 4. The “powerhouse” of the cell; it turns food into energy.
  2. 5. Two or more atoms bonded together.
  3. 9. A part of plant cells where photosynthesis happens.
  4. 12. Energy Energy of motion.
  5. 13. The breaking down of rocks by wind, water, or ice.
  6. 14. The amount of matter in something.
  7. 15. When Earth spins on its axis (causes day and night)
  8. 18. A push or pull on an object.
  9. 19. Any living thing, from bacteria to humans.
  10. 20. How much space something takes up.
  11. 21. An opening in Earth’s crust that lets out lava, ash, and gases.
  12. 24. The basic unit of life in all living things.
  13. 25. How tightly packed the matter in an object is.
  14. 26. A testable prediction or educated guess.
Down
  1. 1. Anything that takes up space and has mass.
  2. 2. A force that slows things down when they rub together.
  3. 3. A crack in the Earth’s crust where movement happens.
  4. 6. Tectonics The theory that Earth's crust is broken into moving pieces.
  5. 7. Something in an experiment that can change.
  6. 8. Energy Stored energy that can be used later.
  7. 10. The smallest unit of an element; everything is made of atoms.
  8. 11. A community of living things and their environment.
  9. 16. The movement of rock, soil, or sand by wind or water.
  10. 17. The process plants use to make food using sunlight, water, and carbon dioxide.
  11. 22. The force that pulls objects toward one another (like Earth pulling us down).
  12. 23. The rise and fall of ocean water caused by the moon’s gravity.
  13. 24. Group The part of the experiment used for comparison.