science vocab words

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Across
  1. 3. /A pure substance made of only one kind of atom
  2. 4. /basic building blocks of any matter
  3. 7. /heat removed from gas, changing it to liquid
  4. 8. /SI unit for mass
  5. 9. /particles are tightly packed
  6. 11. /anything that has mass and takes up space
  7. 12. /A group of atoms bonded together
  8. 17. /can be observed using your senses:color,shape,size,texture,function,density state of matter
  9. 18. /the amount of force exerted per unit area of a surface
  10. 20. /a characteristic of a pure substance that describes its ability to change into different substances
Down
  1. 1. /A single kind of matter that is pure and has a specific set of properties.
  2. 2. /A measure of the force of gravity on an object
  3. 5. /particles very far apart and rarely touch each other
  4. 6. /A chart of the elements showing the repeating pattern of their properties
  5. 10. /amount of space an object takes up (measured in milliliters and liters)
  6. 13. /The study of the properties of matter and how matter changes
  7. 14. /A measure of how hot or cold something is.
  8. 15. /amount of matter in an object (measured grams or kilograms)
  9. 16. /amount of mass per unit of volume (more dense=sinks,less dense=floats)
  10. 19. /particles further apart and can flow