Matter

123456
Across
  1. 5. Liquid to gas below its boiling point
  2. 6. A state of matter having a tendency to form a drop
Down
  1. 1. Continuous zigzag motion is called ________ motion
  2. 2. A liquid used as fuel
  3. 3. They have very high thermal expansion
  4. 4. A state of matter highly rigid