Vocab

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Across
  1. 2. be separated
  2. 5. – is a combination of more than one substance but it does not create a new substance and it
  3. 7. – a pure substance composed of 2 or more elements that are chemically combined;
  4. 10. or change in color
  5. 12. – an element that lacks most of the physical properties of metals
  6. 14. being the hardest
  7. 17. Variable – a variable that does not change for the duration of the experiment
  8. 19. – matter does not allow electricity to pass through easily
  9. 20. Change Indicators – production of a gas change in temperature production of a solid
  10. 22. and matter that reflects little light from its surface is dull
  11. 24. – the color of a crushed mineral powder
  12. 25. Safety Equipment – apron chemical-splash goggles and chemical-resistant gloves
  13. 26. Variable – the variable whose value we know before we start an experiment
  14. 27. – the ability/inability to burn
  15. 29. Safety Equipment – fire extinguisher fire blanket and eye-wash station
  16. 30. to find out
  17. 31. – a naturally occurring solid made up of elements
  18. 33. – how a crystal breaks when subject to stress on a particular plane; retains a smooth plane or
  19. 34. – an element that has both metallic and nonmetallic properties
  20. 36. – the ability to be shattered and broken into pieces when pounded
  21. 37. – anything that has mass and takes up space
Down
  1. 1. Method – a well-tested scientific concept that explains a wide range of observations.
  2. 3. into simpler substances through normal processes
  3. 4. – the ability to be pulled into thin wires
  4. 5. – an element that can be classified based on physical properties of hardness luster ease of
  5. 6. – a possible explanation for a set of observations or answer to scientific question; must be
  6. 7. – matter that allows electricity to flow through it
  7. 8. Properties – properties that can be seen without changing the object using your senses
  8. 9. – the ability/inability to react with air water etc.
  9. 11. by chemical formulas ie. H2O or NaCl
  10. 13. – is the most obvious but least dependable property of minerals
  11. 15. – a description of the way a mineral tends to break; retains an irregular jagged or splintery
  12. 16. – the way matter reflects light from its surface matter that reflects a large amount of light is
  13. 18. conductivity and ductility
  14. 21. the identity
  15. 23. Variable – a variable that changes depending on some other factor; the variable we are
  16. 28. – the ability to be pounded into thin sheets
  17. 32. – a pure substance that is composed of the same type of matter throughout and cannot be
  18. 35. shape
  19. 37. Scale – how well a substance will resist scratching by another substance; one being the softest to