Across
- 3. What is the name of the group of elements in Group 17 of the periodic table?
- 8. What is the process by which a gas changes directly into a solid without passing through the liquid state?
- 9. What type of change results in the formation of a new substance?
- 12. What is the state of matter that has a definite volume but no definite shape?
- 13. What type of change occurs when a substance changes its state of matter without changing its identity?
- 14. What is the state of matter that has both a definite shape and volume?
- 15. What is the basic building block of matter?
- 17. What is anything that has mass and takes up space called?
- 19. What is the process by which a substance changes from a solid to a liquid?
- 20. What is the name of the group of elements in Group 2 of the periodic table?
Down
- 1. What type of change results in the formation of a new substance with different properties?
- 2. What is the process by which liquid water changes into water vapor?
- 4. What is the name of the group of elements in Group 18 of the periodic table?
- 5. What is the state of matter that has a definite shape but no definite volume?
- 6. What is the state of matter that has a definite shape and volume?
- 7. What is the process by which a gas changes directly into a solid?
- 10. What are the elements in Group 1 of the periodic table called?
- 11. What is the process by which a gas changes directly into a liquid?
- 16. What is the name of the group of elements in the middle of the periodic table?
- 18. What is the process by which a liquid changes into a gas at the surface of a liquid?