Liquids and Solids

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Across
  1. 3. Just like the river wouldn't you know, all sorts of liquids can easily...? (Rhyme)
  2. 4. This is a solid you put on your feet
  3. 5. Things that have mass and take up space
  4. 6. Milk is a...?
  5. 7. We are supposed to drink 8 glasses of this liquid every day
Down
  1. 1. Solids usually keep their...? (Think of squares and triangles)
  2. 2. Liquids take the shape of their...?
  3. 4. Your desk is a...?