Fill in the crossword puzzle with terms related to states of matter and separation techniques.

Here are the solutions for the crossword puzzle:

Across

• 3. Substances whose particles move freely in all directions
  • Answer: GAS
• 7. The smallest parts of a substance
  • Answer: PARTICLES
• 8. To separate a liquid and a substance by pouring it through filter paper
  • Answer: FILTRATION
• 9. Substances whose particles are not packed in a regular pattern
  • Answer: LIQUID
• 10. To separate a mixture of solids using hands
  • Answer: HANDPICKING
• 11. To use a tool with holes that allows pieces of different sizes to pass through
  • Answer: SIEVING
• 12. To allow a substance mixed with a liquid to settle at the bottom
  • Answer: SEDIMENTATION

Down

• 1. Two or more substances that are mixed together
  • Answer: MIXTURE
• 2. To use hands or tools to separate a mixture
  • Answer: SEPARATION
• 4. Substances whose particles are packed together in a regular pattern
  • Answer: SOLID
• 5. To break up a mixture into the substances that were mixed
  • Answer: SEPARATION
• 6. To tilt a container with a settled substance by pouring off the top layer of the mixture
  • Answer: DECANTATION