과학 수압 Y8 1

• What is all matter in the universe made of?

  atom
• What do atoms combine with each other to form?

  molecule
• What are the terms used to refer to atoms and molecules?

  particle
• In what state does matter exist?

  solid, gas, liquid
• Liquid may flow or spill

  Why is that?

  the particle in them are able to move around freely and can change position
• dissolution


  용해
• exceed


  초과하다
• Flow


  흐르다