Crossword Puzzle Vocabulary Unit 8AOnline version Vocabulary Unit 8 Lesson A by Paco Meza 1 2 3 4 A basic rule or law of science. 5 6 7 To put a new thing or person in place of an old one. 8 To bring in and hold a substance such as water. 9 The reason that something exists. 10 The art of planning how to make something new. 11 Can be used to help you in some way. 12 Path in a road marked by yellow or white lines. 13 To let something happen; to permit. 14 Activity or piece of work that needs to be done. 13 12 4 9 10 11 3 6 7 8 1 5 14