Science Review Crossword Puzzle

1234567891011121314151617181920212223242526272829303132
Across
  1. 5. the body system that takes in oxygen and gets rid of carbon dioxide and water
  2. 8. Animal and Plant cells; have a nucleus and can be unicellular or multicellular
  3. 9. have a definite volume, but no shape of its own, take the shape of the container, particles always in contact with one another
  4. 11. heat transfer that occurs through the movements of fluids
  5. 14. the powerhouse of the cell; breaks down food to make energy for the cell
  6. 16. Bacteria cells; do not have a nucleus and are unicellular
  7. 18. groups of cells that work together
  8. 20. transfer of energy by electromagnetic waves including heat and light
  9. 23. organisms made of a single cell
  10. 25. the measure of the average kinetic energy of the particles in an object or substance
  11. 27. the control center of the cell
  12. 29. transfer of energy from one particle of matter to another that are in direct contact
  13. 31. change of state from a gas to a liquid
  14. 32. have a definite shape and volume, maintains shape and volume in any position or container, particles packed very closely together and cannot move except to vibrate in place
Down
  1. 1. observation using your five senses
  2. 2. the variables that remain constant (the same) in an investigation
  3. 3. organisms made of many cells
  4. 4. change of state from a solid to a gas
  5. 6. the one variable you are testing/changing on purpose in an investigation
  6. 7. A body structure composed of different kinds of tissues that work together
  7. 10. change of state from a liquid to a gas
  8. 12. the energy transferred between two objects at different temperatures (warmer to cooler)
  9. 13. the one variable you measure as a result of the investigation (data)
  10. 15. an attempt to explain an observation
  11. 17. the type of energy that is the total kinetic and potential energy of all the particles in an object or substance
  12. 19. the body system that gets rid of wastes like urea, water, carbon dioxide, and heat
  13. 21. no definite shape or volume, in a closed container these particles spread out and fill it, particles do not remain in contact with one another, but are moving in all directions
  14. 22. observation using numbers and/or measurements or makes comparisons
  15. 24. change of state from a liquid to a solid through a decrease in thermal energy
  16. 26. the body system that protects internal organs, gives shape and support, provides movement, and produces red blood cells
  17. 28. the body system that contains the heart, blood vessels, and blood
  18. 30. change of state from a solid to a liquid through an increase in thermal energy