States of Matter

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Across
  1. 4. the amount of matter in an object
  2. 6. how tightly packed the particles are in an object (mass/volume)
  3. 7. made up of two or more atoms joined together chemically
  4. 9. change change in which the form or shape of a substance changes, but still has the same chemical make up
  5. 13. The amount of space an object takes up
  6. 14. A state of matter in which the substance has a definite volume and shape
  7. 17. A combination of two or more substances that keep their identities
  8. 18. A measure of the force of gravity on an object
  9. 19. substance formed by atoms from two or more elements
  10. 20. A physical property of a solid used to describe its surface.
  11. 21. A state of matter with no definite shape or volume
Down
  1. 1. theory a scientific explanation of the structure of atoms and how they interact with other atoms
  2. 2. of mass the total mass of the matter before and after the change remains the same
  3. 3. measure of the energy of motion of the particles in matter
  4. 5. mixture that has the same composition throughout
  5. 8. type of matter made of just one kind of atom
  6. 10. of matter the forms matter can take, such as solid, liquid, and gas
  7. 11. the smallest unit of an element that maintains the properties of that element
  8. 12. A state of matter that has no definite shape but has a definite volume.
  9. 15. Anything that has mass and takes up space
  10. 16. the process in which new substances are formed during a chemical change
  11. 19. change change in one or more substances, caused by a reaction, that forms new and different substances